 |
In Situ BioTransformation of Mercury-Contaminated Groundwater In Kazakhstan Utilizing Native Bacteria (Presentation) |
|
The Northern outskirts of Pavlodar were contaminated with mercury as a result of activity at the former PO "Khimprom" chemical plant. The plant produced chlorine and alkali from t...
|
|
|
GROUND WATER ARSENIC AND METALS TREATMENT USING A COMBINATION COMPOST-ZVI PRB |
|
A pilot permeable reactive barrier (PRB) consisting of a mixture of leaf compost, zero-valent iron (ZVI), limestone and pea gravel was installed at a former phosphate fertilizer ma...
|
|
|
TREATMENT OF METALS IN GROUND WATER USING AN ORGANIC-BASED SULFATE-REDUCING PERMEABLE REACTIVE BARRIER |
|
A pilot permeable reactive barrier (PRB) consisting of a mixture of leaf compost, zero-valent iron (ZVI) filings, limestone and pea gravel was evaluated at a former phosphate ferti...
|
|
|
& Source apportionment of particulate matter in the United States and associations with lung inflammatory Markers |
|
Size-fractionated particulate matter (PM) samples were collected from six U.S. cities and chemically analyzed as part of the Multiple Air Pollutant Study. Particles were administer...
|
|
|
'CRASSOSTREA VIRGINICA' AS AN INDICATOR OF LEAD POLLUTION |
|
After treatment with 1.0 and 3.3 micrograms Pb kg-1 for 20 weeks in flowing seawater at ambient salinity and temperature, Crassostrea virginica accumulated as much as 6.57 and 11.4...
|
|
|
'GREENER' CHEMICAL SYNTHESES USING ALTERNATE REACTION CONDITIONS |
|
Microwave (MW) irradiation in conjunction with water as reaction media has proven to be a greener chemical approach for expeditious N-alkylation reactions of amines and hydrazines ...
|
|
|
(14)C METHANOL INCORPORATION INTO DNA AND SPECIFIC PROTEINS OF ORGANOGENESIS STAGE MOUSE EMBRYOS IN VITRO |
|
Methanol (MeOH), a widely used industrial solvent and alternative motor fuel, has been shown to be mutagenic and teratogenic. We have demonstrated that methanol is teratogenic in m...
|
|
|
2007 INTERIM REPORT ON THE U.S. EPA ASSESSMENT OF THE IMPACTS OF GLOBAL CHANGE ON U.S. AIR QUALITY |
|
An ORD-OAR working group is conducting an assessment of the impact of global change on US regional air quality. Activities contributing to the assessment included: statistical ana...
|
|
|
7TH JAPAN - U.S. CONFERENCE ON DRINKING WATER QUALITY MANAGEMENT AND WASTEWATER CONTROL |
|
Update on U.S. Drinking Water and Water Quality Research
The U.S. Environmental Protection Agency's (U.S. EPA) Office of Research and development continues to conduct drin...
|
|
|
In situ BioTransformation Of Mercury-Contaminated Groundwater In Kazakhstan Utilizing Native Bacteria |
|
The Northern outskirts of Pavlodar were contaminated with mercury as a result of activity at the former PO "Khimprom" chemical plant. The plant produced chlorine and alkali from t...
|
|
|
A COMPARISON OF RESIDENTIAL COPPER PIPES CARRYING HOT AND COLD WATER |
|
Each year, the U.S. EPA examines numerous lead, iron, and copper pipes pulled from active use in homes and drinking water distribution systems throughout the United States. The int...
|
|
|
A COMPARISON OF SKULL AND FEMUR LEAD LEVELS IN ADULT RATS |
|
The purpose of the study was to elucidate the relationship between skull and femur lead levels in laboratory rats. Forty-eight female rats were given one of four lead chloride drin...
|
|
|
A CONCEPTUAL FRAMEWORK FOR ASSESSING CUMULATIVE IMPACTS ON THE HYDROLOGY OF NON-TIDAL WETLANDS |
|
Wetlands occur in geologic and hydrologic settings that enhance the accumulation or retention of water. egional slope, local relief, and permeability of the land surface are major ...
|
|
|
A FEDERATED PARTNERSHIP FOR URBAN METEOROLOGICAL AND AIR QUALITY MODELING |
|
Recently, applications of urban meteorological and air quality models have been performed at resolutions on the order of km grid sizes. This necessitated development and incorpora...
|
|
|
A KINETIC ANALYSIS OF THE CONFORMATIONAL FLEXIBILITY OF STEROID HORMONES |
|
For a set of 10 androgen steroids and estradiol (E2), the kinetic feasibility of conformation flexibility of the cyclic moieties was studied under the constraint of maintaining the...
|
|
|
A LABORATORY STUDY OF LEAD LEACHING FROM DRINKING WATER FAUCETS |
|
A test pilot system was constructed to evaluate lead leaching from 12 different kitchen faucets. torage tank, pressure pump, and manifold System was operated to simulate, as closel...
|
|
|
A MULTIDISCIPLINARY APPROACH TO MANAGING STORMWATER RUNOFF IN AN URBAN WATERSHED |
|
Increased impervious surface (e.g., roofs, pavement) due to urbanization can lead to excess runoff throughout a watershed, overwhelming the existing stormwater infrastructure. High...
|
|
|
A NEW APPROACH TO HYDROLOGIC MODELING: DERIVED DISTRIBUTIONS REVISITED. (R824780) |
|
A fractal geometric procedure to model hydrologic (geophysical) phenomena is introduced. The method consists of using derived distributions, obtained by transforming arbitrary mult...
|
|
|
A NEW HIGH RESOLUTION MASS SPECTROMETRY TECHNIQUE FOR IDENTIFYING PHARMACEUTICALS AND POTENTIAL ENDOCRINE DISRUPTORS IN DRINKING WATER SOURCES |
|
A New High Resolution Mass Spectrometry Technique for Identifying Pharmaceuticals and Potential Endocrine Disruptors in Drinking Water Sources
Andrew H. Grange and G. Wayne...
|
|
|
A NEW SPECIES OF MEMNONIELLA |
|
A new species, Stachybotrys longistipitata sp. nov is described and illustrated. This fungus was originally isolated from forest soil in Japan and deposited as Memnoniella subsimpl...
|
|
|
A NOVEL METHOD OF REDUCING TRANSIENT EMISSIONS FROM ROTARY KILN INCINERATORS THROUGH MODIFIED WASTE PACKAGING |
|
The paper gives results of tests on a 73 kW pilot-scale rotary kiln incinerator simulator to examine the effect of modified waste packaging on the ability of the incineration syste...
|
|
|
A PRELIMINARY LOOK AT LEAD CONCENTRATIONS IN DATED LAKE MICHIGAN SEDIMENT CORES |
|
This presentation will include a discussion of lead concentrations in nine dated Lake Michigan sediments cores....
|
|
|
A PROGRAM TO ANALYZE AQUIFER TEST DATA AND CHECK FOR VALIDITY WITH THE JACOB METHOD |
|
The Jacob straight-line method of aquifer analysis deals with the late-time data and small radius of the Theis type curve which plot as a straight line if the drawdown data are plo...
|
|
|
A Pyoverdin Siderophore Produced By Pseudomonas aeruginosa CHL-004 Binds Lead And Other Heavy Metals |
|
Heavy metal pollution in soils, sediments and wastewater poses a significant environmental and public health threat due to toxicity and the potential for bioaccumulation in both pl...
|
|
|
A Pyoverdin Siderophore Produced By Pseudomonas aeruginosa CHL-004 Binds Lead And Other Heavy Metals - (Poster) |
|
Heavy metal pollution in soils, sediments and wastewater poses a significant environmental and public health threat due to toxicity and the potential for bioaccumulation in both pl...
|
|
|
A Review of Conflict of Interest, Competing Interest, and Bias for Toxicologists |
|
One of the issues often associated with scientific misconduct is conflict of interest (CoI). Although there is a lack of uniformity in the definition of CoI, many express concerns...
|
|
|
A SEMI-AUTOMATED APPROACH FOR DETECTING AND LOCATING SWINE ANIMAL FEEDING OPERATIONS OVER REGIONAL AREAS |
|
Surface runoff from animal feeding operations (AFO's) and its infiltration into ground water can
pose a number of risks to water quality mainly because of the amount of animal ...
|
|
|
A SOLIDS ANALYSIS APPROACH INCORPORATING ARGON-ION MILLING TO COPPER AND LEAD PIPE SCALE ANALYSIS |
|
Corrosion of copper and lead plumbing materials in water is complex and has been the topic of a number of studies on the topic (Lucey 1967;
Edwards et al. 1994a; Edwards et al. 19...
|
|
|
A STUDY OF WINTER AIR POLLUTANTS AT FAIRBANKS, ALASKA |
|
An air pollution monitoring program was initiated by the Arctic Environmental Research Station (AERS). Ambient monitoring was done throughout the winters of 76-77 and 77-78 at the ...
|
|
|
A SURVEY OF SULFATE, NITRATE, AND ACID AEROSOL EMISSIONS AND THEIR CONTROL |
|
The report gives results of an evaluation of the effects of fuel and combustion modifications on the formation of primary acid aerosols (used broadly to include all sulfates, nitra...
|
|
|
A TIME SERIES ANALYSIS OF AIR POLLUTION AND PRE-TERM BIRTH IN PENNSYLVANIA, 1997-2001 |
|
Background: Preterm delivery can lead to serious infant health outcomes including death and life-long disability. Small increases in preterm delivery risk in relation to air pollut...
|
|
|
A WASHABILITY AND ANALYTICAL EVALUATION OF POTENTIAL POLLUTION FROM TRACE ELEMENTS IN COAL |
|
The report gives results of a washability study showing the trace element contents of various specific gravity fractions for ten coal samples collected from four coal producing reg...
|
|
|
A- THE NATIONAL CHILDREN'S STUDY |
|
The National Children's Study (NCS) will be the largest long-term study of children's health and development ever conducted in the United States. The NCS will examine a broad rang...
|
|
|
ABSORPTION OF LEAD FROM DRINKING WATER WITH VARYING MINERAL CONTENT |
|
Lead (Pb) (200 ppm) was administered via drinking water to rats for nine weeks. In addition, the rats were grouped so that they received 75, 100, 150 and 250% of the minimum daily ...
|
|
|
ACCUMULATION AND TISSUE DISPOSITION OF PARTICLE ASSOCIATED ELEMENTS IN THE RAT AFTER REPEATED INTRATRACHAEL ADMINISTRATION OF SOURCE PARTICLES |
|
The goal of this study was to determine the fate of source particle tracer elements following repeated intratracheal instillation (IT) to rats. PM samples comprised Mt. St. Helens ...
|
|
|
ACCUMULATION OF MANGANESE AND LEAD-210 IN DATED SEDIMENTS OF EASTERN LAKE ERIE: INFLUENCE OF RECURRENT EPISODES OF OXYGEN DEPLETION ABOVE THE CENTRAL DEPOSITIONAL BASIN |
|
Burns and Nriagu (1976) showed that, during episodes of oxygen depletion (<50%), waters above the central depositional basin of Lake Erie can become enriched with manganese extract...
|
|
|
ACCURACY AND TRACE ORGANIC ANALYSES |
|
Accuracy in trace organic analysis presents a formidable problem to the residue chemist. He is confronted with the analysis of a large number and variety of compounds present in a ...
|
|
|
ACTIONS OF TOXICANTS ON THE STRUCTURE AND FUNCTION OF THE EPIDIDYMIS |
|
Given the public's concern regarding a putative decline male reproductive health, toxicology of the epididymis will become an area of greater research. Environmental chemicals and ...
|
|
|
ACTIVE AND SEMI-PASSIVE LIME TREATMENT OF ACID MINE DRAINAGE AT LEVIATHAN MINE, CALIFORNIA BULLETIN |
|
As part of the Superfund Innovative Technology Evaluation (SITE) program, U.S. Environmental Protection Agency (EPA) National Risk Management Research Laboratory (NRMRL), in cooper...
|
|
|
ACTIVE AND SEMI-PASSIVE LIME TREATMENT OF ACID MINE DRAINAGE AT LEVIATHAN MINE, CALIFORNIA CAPSULE |
|
As part of the Superfund Innovative Technology Evaluation (SITE) program, U.S. Environmental Protection Agency (EPA), National Risk Management Research Laboratory (NRMRL), in coope...
|
|
|
ACTIVE AND SEMI-PASSIVE LIME TREATMENT OF ACID MINE DRAINAGE AT LEVIATHAN MINE, CALIFORNIA ITER |
|
As part of the Superfund Innovative Tecbnology Evaluation (SITE) program, U.S. Environmental Protection Agency (EPA), National Risk Management Research Laboratory (NRMRL), in coope...
|
|
|
ACUTE AND CHRONIC EFFECTS OF HEAVY METALS AND CYANIDE ON 'MYSIDOPSIS BAHIA' (CRUSTACEA:MYSIDACEA) |
|
Acute and whole life-cycle toxicity tests were conducted with the estuarine mysid shrimp, Mysidopsis bahia, exposed to cyanide and selected heavy metals. Acute toxicity values (96h...
|
|
|
ACUTE AND CHRONIC EFFECTS OF WATER QUALITY CRITERIA BASED METAL MIXTURES ON THREE AQUATIC SPECIES |
|
Acute and chronic toxicity tests were conducted to determine the effects of metals combined as mixtures at proposed water quality criteria concentrations and at multiples of the LC...
|
|
|
ACUTE AND REPEATED INHALATION OF TOLUENE BY RATS PERFORMING A SIGNAL DETECTION TASK LEADS TO BEHAVIORAL TOLERANCE ON SOME PERFORMANCE MEASURES. |
|
Previous work showed that trichloroethylene (TCE) impairs accuracy and latency in a signal detection task (SDT) in rats, and that these effects abate during repeated exposures if r...
|
|
|
ACUTE PULMONARY TOXICITY OF PARTICULATE MATTER (PM) FILTER EXTRACTS IN RATS: COHERENCE WITH EPIDEMIOLOGICAL STUDIES IN UTAH VALLEY RESIDENTS |
|
Epidemiologic reports by C. A. Pope III et. al. demonstrated that in the Utah Valley, closure of an open hearth steel mill over the winter of 1987 was associated with reductions in...
|
|
|
ACUTE TOXICITIES OF SELECTED HEAVY METALS TO THE SOFTSHELL CLAM, 'MYA ARENARIA' |
|
Static acute toxicity bioassays with adult softshell clams and salts of copper, cadmium, zinc, lead, manganese, and nickel were conducted at 30 o/oo salinity and 22C. Concentration...
|
|
|
ACUTE TOXICITY OF FIVE SEDIMENT-ASSOCIATED METALS, INDIVIDUALLY AND IN A MIXTURE, TO THE ESTUARINE MEIOBENTHIC HARPACTICOID COPEPOD AMPHIASCUS TENUIREMIS. (R825279) |
|
AbstractThe acute effects of many individual, seawater-solubilized metals on meiobenthic copepods and nematodes are well known. In sediments, however, metals most often...
|
|
|
ADAPTIVE MONITORING TO ENHANCE WATER SENSOR CAPABILITIES FOR CHEMICAL AND BIOLOGICAL CONTAMINANT DETECTION IN DRINKING WATER SYSTEMS |
|
Optoelectronic and other conventional water quality sensors offer a potential for real-time online detection of chemical and biological contaminants in a drinking water supply and ...
|
|
|
ADSORPTION AND DESORPTION OF HEXACHLOROBIPHENYL. A. EXPERIMENTAL RESULTS AND DISCUSSIONS. B. ANALYSIS OF EXCHANGEABLE AND NONEXCHANGEABLE COMPONENTS |
|
The purpose of this report is to present the experimental and theoretical results that lead to the development model for the analysis of adsorption and desorption of hexachlorobiph...
|
|
|
ADSORPTION OF LEAD AND ZINC IN THE SUBSTRATES OF CONSTRUCTED WETLANDS. (R828770C005) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
ADSORPTION OF LEAD FROM A CONTAMINATED SOIL TREATED WITH PHOSPHORUS AND MANGANESE OXIDES BY APRAGUE-DAWLEY RATS |
|
In addition to the formation of insoluble lead (Pb) compounds as a mean of reducing Pb bioavalability, adsorption is another potentially important process controlling the bioavaila...
|
|
|
ADVANCES IN BIOTREATMENT OF ACID MINE DRAINAGE AND BIORECOVERY OF METALS: 1. METAL PRECIPITATION FOR RECOVERY AND RECYCLE |
|
Acid-mine drainage (AMD) is a severe pollution problem attributed to past mining activities. AMD is an acidic, metal-bearing wastewater generated by the oxidation of metal sulfides...
|
|
|
ADVANCES IN BIOTREATMENT OF ACID MINE DRAINAGE AND BIORECOVERY OF METALS: 2. MEMBRANE BIOREACTOR SYSTEM FOR SULFATE REDUCTION |
|
Acid-mine drainage (AMD) is a severe pollution problem attributed to past mining activities. AMD is an acidic, metal-bearing wastewater generated by the oxidation of metal sulfides...
|
|
|
ADVANCES IN DIETARY EXPOSURE RESEARCH AT THE UNITED STATES |
|
The United States Environmental Protection Agency-National Exposure Research Laboratory's (USEPA-NERL)dietary exposure research program investigates the role of diet, including dri...
|
|
|
ADVANCING FINE ROOT RESEARCH WITH MINIRHIZOTRONS |
|
Minirhizotrons provide a nondestructive, in situ method for directly viewing and studying fine roots. Although many insights into fine roots have been gained using minirhizotrons, ...
|
|
|
ADVERSE EFFECTS OF PRENATAL EXPOSURE TO ATRAZINE DURING A CRITICAL PERIOD OF MAMMARY GLAND GROWTH |
|
Prenatal exposure to 100 mg/kg atrazine (ATR) was previously shown to delay mammary gland (MG) development in the female offspring of Long Evans (LE) rats. To determine if the fet...
|
|
|
AEROSOL SAMPLING AND ANALYSIS, PHOENIX, ARIZONA |
|
An atmospheric sampling program was carried out in the greater Phoenix, Arizona metropolitan area in November, 1975. Objectives of the study were to measure aerosol mass flux throu...
|
|
|
AGE-RELATED CHANGES IN SENSITIVITY TO ENVIRONMENTAL CHEMICALS |
|
The processes of aging result in many physiological changes which can lead to alterations in both pharmacokinetic and pharmacodynamic properties. uch changes can result in altered ...
|
|
|
AIR EMISSION INVENTORIES IN NORTH AMERICA: A CRITICAL ASSESSMENT |
|
Although emission inventories are the foundation of air quality management and have supported substantial improvements in North American air quality, they have a number of shortcom...
|
|
|
AIR POLLUTION AND RISK FOR PRETERM BIRTH IN PENNSYLVANIA, 1997-2001: A TIME SERIES APPROACH |
|
Preterm delivery can lead to serious infant health outcomes including death and life-long disability. Small increases in preterm delivery risk in relation to air pollution have bee...
|
|
|
AIR QUALITY |
|
EPA has set National Ambient Air Quality Standards (NAAQS) for six principal pollutants, which include: - ozone,
- particulate matter,
- carbon monoxide,
...
|
|
|
AIR QUALITY CRITERIA FOR LEAD |
|
The document summarizes current knowledge about the relationships between airborne lead and consequent effects on man and his environment. The effects that have been observed to oc...
|
|
|
AIR QUALITY CRITERIA FOR LEAD |
|
The Clean Air Act requires periodic (5-year) update revision of criteria and National Ambient Air Quality Standards (NAAQS) for Lead. The previous revision of the criteria contai...
|
|
|
AIR QUALITY CRITERIA FOR LEAD (2006) Final Report |
|
National Ambient Air Quality Standards (NAAQS) are promulgated by the United States Environmental Protection Agency (EPA) to meet requirements set forth in Sections 108 and 109 of ...
|
|
|
AIR QUALITY CRITERIA FOR LEAD (FINAL). |
|
The Air Quality Criteria documents evaluate and assesse scientific information on the health and welfare effects associated with exposure to various concentrations of lead in ambie...
|
|
|
AIR QUALITY CRITERIA FOR LEAD (FIRST EXTERNAL REVIEW DRAFT) |
|
Background:
The Clean Air Act mandates periodic review of the National Ambient Air Quality Standards (NAAQS) for six common air pollutants, also referred to as criter...
|
|
|
AIR QUALITY CRITERIA FOR LEAD (SECOND EXTERNAL REVIEW DRAFT) |
|
The Clean Air Act mandates periodic review of the National Ambient Air Quality Standards (NAAQS) for six common air pollutants, also referred to as criteria pollutants, including l...
|
|
|
AIR QUALITY CRITERIA FOR LEAD, VOLUMES 1-4. FIRST EXTERNAL REVIEW DRAFT |
|
The document evaluates and assesses scientific information on the health and welfare effects associated with exposure to various concentrations of lead in ambient air. The literatu...
|
|
|
AIR QUALITY CRITERIA FOR LEAD. VOLUMES 1-4. SECOND EXTERNAL REVIEW DRAFT |
|
The document evaluates and assesses scientific information on the health and welfare effects associated with exposure to various concentrations of lead in ambient air. The literatu...
|
|
|
AIR QUALITY CRITERIA FOR LEAD: SUPPLEMENT TO THE 1986 ADDENDUM |
|
The 1986 U.S. EPA document Air Quality Criteria for Lead (EPA-600/8-83/028 aF-dF) evaluated in detail the latest scientific information concerning sources, routes, and levels of le...
|
|
|
AIRBORNE PARTICLES |
|
The document summarizes the literature on airborne particles related to effects on man and his environment for consideration of the Environmental Protection Agency in updating the ...
|
|
|
AIRBORNE REDUCED NITROGEN: AMMONIA EMISSIONS FROM AGRICULTURE AND OTHER SOURCES. (R826371C006) |
|
Ammonia is a basic gas and one of the most abundant nitrogen-containing compounds in the atmosphere. When emitted, ammonia reacts with oxides of nitrogen and sulfur to form part...
|
|
|
ALL-AGES LEAD MODEL (AALM) VERSION 1.05 (EXTERNAL REVIEW DRAFT) |
|
The All-Ages Lead Model (AALM) Version 1.05, is an external review draft software and guidance manual. EPA is releasing this software and associated documentation for public revie...
|
|
|
ALLIGATORS AND ENDOCRINE DISRUPTING CONTAMINANTS: A CURRENT PERSPECTIVE.AMERICAN ZOOLOGIST |
|
Many xenobiotic compounds introduced into the environment by human activity have been shown to adversely affect wildlife. Reproductive disorders in wildlife include altered fertili...
|
|
|
ALPHA2U-GLOBULIN: ASSOCIATION WITH CHEMICALLY INDUCED RENAL TOXICITY AND NEOPLASIA IN THE MALE RAT |
|
This report describes conditions under which EPA's Risk Assessment Forum advises EPA risk assessors against using information on certain renal tubule tumors or nephrotoxicity to as...
|
|
|
ALPHA2U-GLOBULIN: ASSOCIATION WITH CHEMICALLY INDUCED TOXICITY AND NEOPLASIA IN THE MALE RAT |
|
This report of a Technical Panel of the U.S. Environmental Protection Agency (EPA) Risk Assessment Forum describes conditions under which the Forum advises EPA risk assessors again...
|
|
|
ALTERED LEVELS OF APOPTOTIC AND NEUROTROPHIC FACTOR MRNA IN DEVELOPING RAT BRAIN FOLLOWING EXPOSURE TO MERCURY VAPOR OR LEAD |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
ALTERNATIVE FUTURES ANALYSIS: A FRAMEWORK FOR COMMUNITY DECISION-MAKING |
|
Alternative futures analysis is an assessment approach designed to inform community decisions about land and water use. We conducted an alternative futures analysis in Oregon's Wil...
|
|
|
ALTERNATIVE NONLINEAR MODEL FOR ESTIMATING SECOND-ORDER RATE COEFFICIENTS FOR BIODEGRADATION |
|
A modification of the second-order model for biodegradation was derived, applied to an example data set and shown to be superior for describing the anaerobic biodegradation of p-cr...
|
|
|
ALTERNATIVES FOR SODIUM CYANIDE FOR FLOTATION CONTROL |
|
Cyanide has long been looked upon as the classical poison and has been listed by EPA as a priority pollutant. The mineral dressing industry has long used cyanide in its concentrati...
|
|
|
AMBIENT COARSE PARTICLE MATTER ASSOCIATED WITH HRV, BLOOD COAGULATION, AND BLOOD LIPIDS IN ADULT ASTHMATICS |
|
Introduction: We investigated whether systemic inflammation markers in asthmatics change in response to fluctuations in ambient PM. Methods: Twelve atopic adults with mild to moder...
|
|
|
AMELIORATION OF ACID MINE DRAINAGE USING REACTIVE MIXTURES IN PERMEABLE REACTIVE BARRIERS |
|
The generation and release of acidic drainage from mine wastes is an environmental problem of international scale. The use of zero-valent iron and/or iron mixtures in subsurface P...
|
|
|
AMERICAN HEALTHY HOMES SURVEY: A NATIONAL STUDY OF RESIDENTIAL PESTICIDES MEASURED FROM FLOOR WIPES |
|
The US Environmental Protection Agency and the US Department of Housing and Urban Development conducted the American Healthy Homes Survey (AHHS) in 2006 to assess environmental con...
|
|
|
AMERICAN HEALTHY HOMES SURVEY: A NATIONAL STUDY OF RESIDENTIAL RELATED HAZARDS |
|
The US Environmental Protection Agency's (EPA) National Exposure Research Laboratory (NERL) and the US Department of Housing and Urban Development's (HUD) Office of Healthy Homes a...
|
|
|
AN ASSESSMENT OF FISH TISSUE CONTAMINANTS IN SMALL COMPARED TO LARGE WEST COAST ESTUARIES |
|
Residues of metals, PCBs, and pesticides were measured in whole bodies of fish from small coastal estuaries in Washington, Oregon and California as well as Puget Sound, Columbia an...
|
|
|
AN ASSESSMENT OF THE DATA QUALITY FOR NHEXAS--PART I: EXPOSURE TO METALS AND VOLATILE ORGANIC CHEMICALS IN REGION 5 |
|
A National Human Exposure Assessment Survey (NHEXAS) was performed in U.S. Environmental Protection Agency (U.S. EPA) Region V, providing population-based exposure distribution d...
|
|
|
AN AUTOMATED SYSTEM FOR PRODUCING UNIFORM SURFACE DEPOSITS OF DRY PARTICLES |
|
A laboratory system has been constructed that uniformly deposits dry particles onto any type of test surface. Devised as a quality assurance tool for the purpose of evaluating s...
|
|
|
AN ECOLOGICAL RISK ASSESSMENT OF LEAD SHOT EXPOSURE IN NON-WATERFOWL AVIAN SPECIES: UPLAND GAME BIRDS AND RAPTORS |
|
There is increasing concern that birds in terrestrial ecosystems may be exposed to spent lead shot. Evidence exists that upland birds, particularly mourning doves (Zenaida macroura...
|
|
|
AN ENVIRONMENTAL TECHNOLOGY VERIFICATION (ETV) TESTING OF ENZYMATIC TEST KITS FOR WARFARE AGENTS AND PESTICIDES IN DRINKING WATER |
|
Enzymatic test kits, generally designed to be handheld and portable, detect the presence of chemical agents, carbamate pesticides, and/or organophosphate pesticides by relying on t...
|
|
|
AN EVALUATION OF FACTORS AFFECTING THE SOLIDIFICATION/STABILIZATION OF HEAVY METAL SLUDGE |
|
Solidification/stabilization (SIS) of hazardous waste involves mixing the waste with a binder material to enhance the physical properties of the waste and to immobilize contaminan...
|
|
|
AN EXPERIMENTAL ASSESSMENT OF THE IMPACTS OF PARTIAL DNAPL SOURCE ZONE DELETION USING SPARGING AS A REMEDIATION TECHNIQUE |
|
The contamination of the subsurface environment by dense non-aqueous phase liquids (DNAPL) is a wide-spread problem that poses a significant threat to soil and groundwater quality....
|
|
|
AN EXPERIMENTAL INVESTIGATION INTO THE EFFECT OF PROCESS CONDITIONS ON THE MASS CONCENTRATION OF CUTTING FLUID MIST IN TURNING. (R825370C057) |
|
Cutting fluid mists that are generated during machining processes represent a significant waste stream as well as a health hazard to humans. Epidemiological studies have shown a...
|
|
|
AN INTERDISCIPLINARY APPROACH TO RIPARIAN MEADOW CHARACTERIZATION AND PRIORITIZATION, CENTRAL GREAT BASIN |
|
The Great Basin Ecosystem Management Research group has described the hydrological, geophysical, and geomorphic conditions that lead to the formation and maintenance of riparian me...
|
|
|
AN INVESTIGATION OF THE IMPACT OF ALLOY COMPOSITION AND PH ON THE CORROSION OF BRASS IN DRINKING WATER |
|
A better understanding of brass corrosion may provide information and guidance on the use of the safest materials for the production of plumbing fixtures, and optimization of corro...
|
|
|
ANALYSIS OF A WASTEWATER FOR SEVEN PRIORITY POLLUTANT ELEMENTS BY D.C. ARGON PLASMA EMISSION SPECTROSCOPY |
|
This limited project was conducted to determine the usefulness of the D.C. argon plasma for the analysis of wastewater. Seven priority pollutant elements, arsenic (As), beryllium (...
|
|
|
ANALYSIS OF COARSELY GROUPED DATA FROM THE LOGNORMAL DISTRIBUTION |
|
A missing information technique is applied to blood lead data that is both grouped and assumed to be lognormally distributed. These maximum likelihood techniques are extended from ...
|
|
|
ANALYSIS OF CONCORDANCE OF PROBABILISTIC AGGREGATE EXPOSURE PREDICTIONS WITH OBSERVED BIOMONITORING RESULTS: AN EXAMPLE USING CTEPP DATA |
|
Three key areas of scientific inquiry in the study of human exposure to environmental contaminants are 1) assessment of aggregate (i.e., multi-pathway, multi-route) exposures, 2) a...
|
|
|
ANALYSIS OF HOUSEHOLD WATER USE BEHAVIOR FOR USE AS IAQ MODEL PARAMETERS |
|
Chemicals brought into the home through the domestic water supply, result in human exposure via the three principal routes: ingestion, inhalation, and dermal contact. Disinfectio...
|
|
|
ANALYSIS OF LEAD IN CANDLE PARTICULATE EMISSIONS BY XRF USING UNIQUANT 4 |
|
As part of an extensive program to study the small combustion sources of indoor fine particulate matter (PM), candles with lead-core wicks were burned in a 46-L glass flow- through...
|
|
|
ANALYSIS OF SELECTED SAMPLES FOR METALS UPTAKE |
|
Grass samples were collected from the Contrary Creek/D. Boyd Smith reclamation project of the Virginia Water Quality Control Board and the Anvil Points mine treatment experimental ...
|
|
|
ANIMAL DNA IN PCR REAGENTS PLAGUES ANCIENT DNA RESEARCH |
|
Ancient DNA analysis is becoming widespread. These studies use polymerase chain reaction (PCR) to amplify minute quantities of heavily damaged template. Unusual steps are taken to ...
|
|
|
ANIMAL MODELS OF COGNITIVE DEVELOPMENT IN NEUROTOXICITY |
|
The thesis of this chapter has been that spatial delayed alternation versus position discrimination learning can serve as a valuable rodent model of cognitive development in neurot...
|
|
|
ANODIC STRIPPING VOLTAMMETRY AT A MERCURY FILM ELECTRODE: BASELINE CONCENTRATIONS OF CADMIUM, LEAD, AND COPPER IN SELECTED NATURAL WATERS |
|
A simple, rapid, and inexpensive anodic stripping voltammetric method with a mercury thin film electrode is reported for the establishment of baseline concentrations of cadmium, le...
|
|
|
APPLICATION ANALYSIS REPORT: HORSEHEAD RESOURCE DEVELOPMENT COMPANY INC., FLAME REACTOR TECHNOLOGY |
|
A SITE demonstration of the Horsehead Resource Development (HRD) company, Inc. Flame Reactor Technology was conducted in March 1991 at the HRD facility in Monaca, Pennsylvania. For...
|
|
|
APPLICATION ANALYSIS REPORT: HORSEHEAD RESOURCE DEVELOPMENT COMPANY, INC, FLAME REACTOR TECHNOLOGY |
|
A SITE demonstration of the Horsehead Resource Development (HRD) company, Inc. Flame Reactor Technology was conducted in March 1991 at the HRD facility in Monaca, Pennsylvania. or ...
|
|
|
APPLICATION AND EVALUATION OF AN AGGREGATE PHYSICALLY-BASED TWO-STAGE MONTE CARLO PROBABILISTIC MODEL FOR QUANTIFYING CHILDREN'S RESIDENTIAL EXPOSURE AND DOSE TO CHLORPYRIFOS |
|
Critical voids in exposure data and models lead risk assessors to rely on conservative assumptions. Risk assessors and managers need improved tools beyond the screening level an...
|
|
|
APPLICATION OF AN SO2-DENUDER FOR CONTINUOUS MEASUREMENT OF SULFUR IN SUBMICROMETRIC AEROSOLS |
|
A method is described for the continuous measurement of total sulfur in submicrometric aerosols suspended in air containing sulfur dioxide. The aerocolloid is passed through a tube...
|
|
|
APPLICATION OF IN VITRO BIOTRANSFORMATION DATA AND PHARMACOKINETIC MODELING TO RISK ASSESSMENT |
|
The adverse biological effects of toxic substances are dependent upon the exposure concentration and the duration of exposure. Pharmacokinetic models can quantitatively relate the ...
|
|
|
APPLICATION OF PLANT AND EARTHWORM BIOASSAYS TO EVALUATE REMEDIATION OF A LEAD-CONTAMINATED SOIL |
|
Earthworm acute toxicity, plant seed germination/root elongation (SG/RE) and plant genotoxicity bioassays were employed to evaluate the remediation of a lead-contaminated soil. The...
|
|
|
APPLICATION OF PORTABLE MICROPROCESSOR-BASED SYSTEM FOR ELECTROPHYSIOLOGICAL FIELD TESTING OF NEUROTOXICITY |
|
A portable microprocessor-based system designated PEARL II has been developed for neurotoxicity testing in human populations. PEARL II provides a flexible and powerful data acquisi...
|
|
|
APPLICATION OF SIMCA (SOFT INDEPENDENT MODELING OF CLASS ANALOGY) PATTERN RECOGNITION TO AIR POLLUTANT ANALYTICAL DATA |
|
The SIMCA 3B computer program is a modular, graphics oriented pattern recognition package which can be run on a microcomputer with limited memory, e.g. an Osborne 1 with 64K memory...
|
|
|
APPLICATION OF THE TRADESCANTIA MICRONUCLEUS ASSAY FOR THE GENETIC EVALUATION OF CHEMICAL MIXTURES IN SOIL AND AQUEOUS MEDIA |
|
Genotoxic evaluation of nine binary and one tertiary mixtures of arsenic trioxide, dieldrin, and lead tetraacetate were performed using the Tradescantia micronucleus (Trad-MN) assa...
|
|
|
APPLICATIONS ANALYSIS REPORT: CHEMFIX TECHNOLOGIES, INC. - SOLIDIFICATION/STABILIZATION PROCESS |
|
In support of the U.S. Environmental Protection Agency's (EPA) Superfund Innovative Technology Evaluation (SITE) Program, this report evaluates the Chemfix Technologies, Inc. (Chem...
|
|
|
APPLICATIONS ANALYSIS REPORT: CHEMFIX TECHNOLOGIES, INC., SOLIDIFICATION/STABILIZATION PROCESS |
|
The Chemfix Solidification/Stabilization treatment process was evaluated under EPA's SITE program. he process reduced leaching levels of lead and copper. hysical testing results we...
|
|
|
APPLICATIONS ANALYSIS REPORT: SITE PROGRAM DEMONSTRATION TEST SOLIDITECH, INC. SOLIDIFICATION/ STABILIZATION PROCESS |
|
This Applications Analysis Report evaluates the Soliditech, Inc., solidification/ stabilization process for the on-site treatment of waste materials. The Soliditech process mixes a...
|
|
|
APPLICATIONS OF SENSITIVITY ANALYSIS TO A PHYSIOLOGICALLY BASED PHARMACOKINETIC MODEL FOR CARBON TETRACHLORIDE IN RATS |
|
Physiologically-based pharmacokinetic (PBPK) models developed from gas uptake experiments have been used to estimate metabolic parameters for different volatile organic compounds. ...
|
|
|
APPLYING THE CLEAN WATER ACT SO THAT WE FIX THE RIGHT THINGS |
|
Determining the cause of a biological impairment can be a daunting task, one that is complicated by multiple possible causes, spotty or irregularly collected data, natural variatio...
|
|
|
ARE WE MONITORING IN THE RIGHT PLACES FOR INORGANICS AND RADIONUCLIDES? |
|
A review of numerous drinking water and geochemical investigations combined with recent studies of pipe deposits and water treatment materials suggests that many regulated drinking...
|
|
|
ARE WE MONITORING IN THE RIGHT PLACES FOR METALS AND RADIONUCLIDES |
|
Recent studies of pipe deposits from metal, cement and plastic pipes have found that many regulated drinking water constituents are not conservative in the distribution system. Ex...
|
|
|
AS SPECIATION AND EFFECTS OF PH AND PHOSPHATE ON THE MOBILIZATION OF AS IN SOILS FROM A LEAD SMELTING SITE. PUBLISHED IN ADVANCED PHOTON SOURCE ACTIVITY REPORT 2003. |
|
Arsenic in soils from the Asarco lead smelter in East Helena, Montana was characterized by X-ray absorption spectroscopy (XAS). Arsenic oxidation state and mineralogy were analyzed...
|
|
|
ASSESSING HIPPOCAMPAL CHANGES INDICATIVE OF NEUROTOXIC EFFECTS. |
|
Subtle changes in cognitive function are often the earliest indication of neurotoxic effects in humans. The hippocampus is a large forebrain structure subserving specific kinds o...
|
|
|
ASSESSING NITROGEN SOURCES IN LAKES WITH MUSSEL STABLE ISOTOPE RATIOS |
|
Despite progress made in the past several decades towards limiting nutrient inputs, human-induced eutrophication in lakes, ponds, and reservoirs continues to be of concern. Althoug...
|
|
|
ASSESSING POTENTIAL BIOAVAILABILITY OF METALS IN SEDIMENTS: A PROPOSED APPROACH |
|
Due to anthropogenic inputs, elevated concentrations of metals frequently occur in aquatic sediments. n order to make defensible estimates of the potential risk of metals in sedime...
|
|
|
ASSESSING SPECIATION AND RELEASE OF HEAVY METALS FROM COAL COMBUSTION PRODUCTS |
|
In this study, the speciation of heavy metals such as arsenic, selenium, lead, zinc and mercury in coal combustion products (CCPs) was evaluated using sequential extraction procedu...
|
|
|
ASSESSING STREAM BED STABILITY AND EXCESS SEDIMENTATION IN MOUNTAIN STREAMS |
|
Land use and resource exploitation in headwaters catchments?such as logging, mining, and road building?often increase sediment supply to streams, potentially causing excess sedimen...
|
|
|
ASSESSING THE RISKS OF NON-TARGET TERRESTRIAL PLANTS FROM HERBICIDES |
|
Use of chemical herbicides to reduce weed competition is a major contributing factor to the high productivity of conventional intensive agricultural cropping systems. However, bec...
|
|
|
ASSESSING WATER QUALITY AND BIOLOGICAL INTEGRITY OF THE GREAT RIVERS OF THE CENTRAL U.S. |
|
The goal of USEPA's Environmental Monitoring and Assessment Program for Great River Ecosystems (EMAP-GRE) is to demonstrate techniques with which to assess environmental conditions...
|
|
|
ASSESSMENT OF A SEQUENTIAL EXTRACTION PROCEDURE FOR PERTURBED LEAD CONTAMINATED SAMPLES WITH AND WITHOUT PHOSPHORUS AMENDMENTS |
|
Sequential extraction procedures (SEP) attempt to determine the solid-phase association of elements in natural matrices. However, a major obstacle confronting SEP is species alter...
|
|
|
ASSESSMENT OF A SEQUENTIAL EXTRACTION PROCEDURE FOR PERTURBED LEAD-CONTAMINATED SAMPLES WITH AND WITHOUT PHOSPHOROUS AMENDMENTS |
|
Sequential extraction procedures are used to determine the solid-phase association in which elements of interest exist in soil and sediment matrices. Foundational work by Tessier ...
|
|
|
ASSESSMENT OF CORROSION PRODUCTS FROM ONCE-THROUGH COOLING SYSTEMS WITH MECHANICAL ANTIFOULING DEVICES |
|
The report gives results of an assessment of corrosion products from steam-electric power plant once-through cooling systems equipped with mechanical antifouling devices. (About 67...
|
|
|
ASSESSMENT OF POLLUTION PREVENTION OPPORTUNITIES FOR FIVE INDUSTRIES |
|
The report summarizes the emissions inventory, market survey, product categorization, product characteristics, potential product reformulation, new product research, and alternate ...
|
|
|
ASSESSMENT OF THE LIQUID WATER CONTENT OF SUMMERTIME AEROSOL IN THE SOUTHEAST UNITED STATES |
|
The concentration of aerosol liquid water mass represents an important parameter for understanding the physical properties of PM2.5 in the atmosphere. Increases in ambient relati...
|
|
|
ASSESSMENT OF THE ROLE OF NITROGEN OXIDES IN NONURBAN OZONE FORMATION |
|
This assessment is the fourth and final assessment of technical issues related to ozone and other photochemically generated products formed in the atmosphere requested by the Offic...
|
|
|
ASSESSMENT OF THE USE OF FUGITIVE EMISSION CONTROL DEVICES |
|
The report compares the efficiencies and utility consumptions expected from three fugitive emission control techniques--building evacuation, charged fog sprays, and water sprays wi...
|
|
|
ASSIGNED SHARES IN COMPENSATION FOR RADIATION-RELATED CANCERS |
|
The preparation of radioepidemiologic tables requires extensive mathematical modeling because matters such as sex, size of dose, age at exposure, type of cancer, and age at diagnos...
|
|
|
ASSOCIATIONS OF EASTERN REDCEDAR AND COMMUNITY STRUCTURE OF SMALL MAMMALS |
|
Increased abundance of eastern redcedar (Juniperus virginianas), a native but invasive species in the Great Plains, has been associated with several changes in ecosystem function. ...
|
|
|
ATMOSPHERIC ACIDIFICATION CHEMISTRY: A REVIEW |
|
Atmospheric acidification is the result of the oxidation of sulfur, nitrogen, and organic compounds to form their corresponding acids. The gas and aqueous-phase pathways depend on ...
|
|
|
ATMOSPHERIC DEPOSITION OF TOXIC METALS TO LAKE MICHIGAN: PRELIMINARY ANNUAL MODEL CALCULATIONS |
|
Concern is growing for the environmental water quality of the Great Lakes. tmospheric deposition of toxic substances is recognized as a major pathway of contaminants to the water m...
|
|
|
ATMOSPHERIC FLUXES AND GEOCHEMISTRIES OF STABLE PB, PB-210, AND PO-210 IN CRYSTAL LAKE, WISCONSIN: WISCONSIN POWER PLANT IMPACT STUDY |
|
In a lake system where atmospheric input greatly exceeds other source inputs, the atmospheric supply, water column transport, and sediment accumulation should be coupled. This rese...
|
|
|
AUDITORY AND VISUAL DYSFUNCTION FOLLOWING LEAD EXPOSURE |
|
The effects of lead exposure on cognitive function have been intensively studied during the past decade, but relatively little effort has been made to understand the impact on sens...
|
|
|
AUTOMOTIVE EMISSIONS OF ETHYLENE DIBROMIDE |
|
Ethylene dibromide, a suspected carcinogen, and ethylene dichloride are commonly used in leaded gasoline as scavengers. Ethylene dibromide emission rates were determined from seven...
|
|
|
AVOIDING FAILURE OF LEACHATE COLLECTION AND CAP DRAINAGE SYSTEMS |
|
Failure, caused by a variety of mechanisms, is common to drainage systems of all kinds. Leachate collection and cap drainage systems, which remove excess liquid from hazardous wast...
|
|
|
Air Pollution Monitoring Site Selection by Multiple Criteria Decision Analysis |
|
Criteria air pollutants (particulate matter, sulfur dioxide, oxides of nitrogen, volatile organic compounds, and carbon monoxide) as well as toxic air pollutants are a global conce...
|
|
|
An Update on the EPA Study of Lead Scavengers (EDB and DCA) |
|
In response to continued concerns about the concentrations of 1,2-dibromoethane (EDB) in ground water from spills of leaded gasoline, OUST formed a Lead Scavengers Team with assist...
|
|
|
Anaerobic Biodegradation of Ethylene Dibromide and 1,2-Dichloroethane in the Presence of Fuel Hydrocarbons |
|
Field evidence from underground storage tank sites where leaded gasoline leaked indicates the lead scavengers 1,2- dibromoethane (ethylene dibromide, or EDB) and 1,2- dichloroethan...
|
|
|
Arsenic Removal from Drinking Water by Adsorptive Media U.S. EPA Demonstration Project at Wellman, TX, Six-Month Evaluation Report |
|
This report documents the activities performed and the results obtained from the first six months of the arsenic removal treatment technology demonstration project in the City of W...
|
|
|
BABCOCK & WILCOX CYCLONE VITRIFICATION TECHNOLOGY FOR CONTAMINATED SOIL |
|
The Babcock & Wilcox 6 million Btu/hr pilot cyclone furnace was successfully used in a 2-yr Superfund Innovative Technology Evaluation (SITE) Emerging Technology project to melt a...
|
|
|
BASIS FOR PRIMARY AIR QUALITY CRITERIA AND STANDARDS |
|
The Environmental Criteria and Assessment Office and the Office of Air Quality Planning and Standards are charged with responsibility for reviewing and assessing air quality criter...
|
|
|
BEHAVIOR OF ARSENIC IN A ROTARY KILN INCINERATOR |
|
Changes in waste disposal patterns prompted by newly enacted legislation has resulted in a significant change in the composition of hazardous wastes presented for incineration. eta...
|
|
|
BEHAVIORAL ALTERATIONS DUE TO DIESEL EXHAUST EXPOSURE |
|
Several experiments examining the effects of diesel exhaust on the behavior of rats are reported. Animals were exposed either as adults or neonates. The spontaneous locomotor activ...
|
|
|
BEHAVIORAL EFFECTS OF MODERATE LEAD EXPOSURE IN CHILDREN AND ANIMAL MODELS. PART 1: CLINICAL STUDIES |
|
The review is organized into two major sections: Part I, a clinical review which will examine only those studies relevant to the issue of behavioral effects resulting from relative...
|
|
|
BEHAVIORAL EFFECTS OF MODERATE LEAD EXPOSURE IN CHILDREN AND ANIMAL MODELS. PART 2: ANIMAL STUDIES |
|
It is apparent that high-level lead exposure can have serious effects on the intellectual and behavioral development of young children. Furthermore, substantial numbers of children...
|
|
|
BEHAVIORAL EFFECTS OF PRENATAL AND EARLY POSTNATAL LEAD EXPOSURE IN THE PRIMATE 'MACACA FASCICULARIS' |
|
Female Macaca fascicularis monkeys were given daily oral doses of 3.0 and 4.25 mg/kg lead, as lead nitrate, prior to breeding, and exposure was maintained throughout gestation and ...
|
|
|
BENCH-SCALE RECOVERY OF LEAD USING AN ELECTROMEMBRANE/CHELATION PROCESS |
|
This report presents the results of a bench-scale treatability test to investigate key process parameters influencing an innovative chelation electrodeposition process for recovery...
|
|
|
BENCH-SCALE RECOVERY OF LEAD USING AND ELECTRO- MEMBRANE/CHELATION PROCESS |
|
This report presents the results of a bench-scale treatability test to investigate key process parameters influencing an innovative chelation electrodeposition process for recovery...
|
|
|
BENCH-SCALE TESTING OF SORBENT ADDITIVES FOR TRACE METAL CAPTURE AND RETENTION |
|
The suitability of six minerals; silica, diatomaceous earth, kaolin, bauxite, alumina and attapulgite clay, as potential sorbents for the capture and immobilization of trace metals...
|
|
|
BESCORP SOIL WASHING SYSTEM FOR LEAD BATTERY SITE TREATMENT - APPLICATIONS ANALYSIS REPORT |
|
The Brice Environmental Services Corporation (BESCORP Soil Washing System (BSWS) and its applicability in remediating lead-contaminated soil at lead battery sites was evaluated. he...
|
|
|
BESCORP SOIL WASHING SYSTEM FOR LEAD BATTERY SITE TREATMENT - APPLICATIONS ANALYSIS REPORT |
|
This report evaluates the Brice Environmental Services Corporation (BESCORP) Soil Washing System (BSWS) and Its applicability in remediating lead-contaminated soil at lead battery ...
|
|
|
BIAS IN POPULATION GROWTH RATE ESTIMATION: SPARSE DATA, PARTIAL LIFE CYCLE ANALYSIS AND JENSEN'S INEQUITY |
|
Demographic matrix models have become an integral part of population viability analysis for threatened and endangered species, but their use is often limited by data availability. ...
|
|
|
BIBLIOGRAPHY FOR LEAD |
|
Over 5000 publications pertaining to lead are listed in the bibliography. For the most part, these are articles dealing with the health effects of lead published since 1977. Each e...
|
|
|
BINDING OF CARCINOGENS TO DNA AND COVALENT ADDUCTS DNA DAMAGE - PAH, AROMATIC AMINES, NITRO-AROMATIC COMPOUNDS, AND HALOGENATED COMPOUNDS |
|
DNA adducts are the covalent addition products resulting from binding of reactive chemical species to DNA bases. The cancer initiating role of DNA adducts is well-established, and ...
|
|
|
BIO-ETHANOL FUELS: SHORT-TERM SOLUTIONS, LONG-TERM DISASTERS |
|
Ethanol derived from bio-mass is often advocated as a significant contributor to possible solutions to our need for a sustainable transportation fuel. Substituting bio-ethanol for...
|
|
|
BIOACCUMULATION AND AQUATIC SYSTEM SIMULATOR (BASS) USER'S MANUAL BETA TEST VERSION 2.1 |
|
BASS (Bioaccumulation and Aquatic System Simulator) is a Fortran 95 simulation program that predicts the population and bioaccumulation dynamics of age-structured fish assemblages ...
|
|
|
BIOAVAILABILITY OF ZINC, CADMIUM, AND LEAD IN A METAL-CONTAMINATED ALLUVIAL SOIL. (R825549C029) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
BIOAVAILABILITY: SCIENCE AND ACCEPTANCE |
|
Reducing risk from elevated levels of soil Pb involves removal, covering, or dilution by mixing with uncontaminated soil. Understanding that soil lead bioavailability is related to...
|
|
|
BIOKINETIC LEAD MODELS |
|
Blood lead in children can serve both as an indicator of potential health problems, and as an indicator of recent exposure to lead. In the United States, the Centers for Disease C...
|
|
|
BIOLOGICAL ASSESSMENT OF CONTINUOUS EXPOSURE TO TRITIUM AND LEAD IN THE RAT |
|
In an attempt to contribute information on the effects of simultaneous exposure to two potentially synergistic environmental pollutants the authors have chronically administered tr...
|
|
|
BIOLOGICAL INDICATOR OF SUMMATIONAL EXPOSURES TO LEAD. TOOTH LEAD IN CHILDREN LIVING IN CLEVELAND AND ITS SUBURBS |
|
An epidemiologic study of the distribution of lead absorption in the Cleveland Metropolitan Area was carried out by analyzing the lead content of shed or extracted deciduous teeth ...
|
|
|
BIOLOGICAL MONITORING OF TOXIC TRACE METALS. VOLUME 1. BIOLOGICAL MONITORING AND SURVEILLANCE |
|
The needs and priorities in using biological accumulator organisms for monitoring toxic trace metals in plants and animals are analyzed. The toxic trace metals selected for study a...
|
|
|
BIOLOGICAL MONITORING OF TOXIC TRACE METALS. VOLUME 2. TOXIC TRACE METALS IN PLANTS AND ANIMALS OF THE WORLD. PART I |
|
The needs and priorities in using biological accumulator organisms for monitoring toxic trace metals in plants and animals are analyzed. The toxic trace metals selected for study a...
|
|
|
BIOLOGICAL MONITORING OF TOXIC TRACE METALS. VOLUME 2. TOXIC TRACE METALS IN PLANTS AND ANIMALS OF THE WORLD. PART II |
|
The needs and priorities in using biological accumulator organisms for monitoring toxic trace metals in plants and animals are analyzed. The toxic trace metals selected for study a...
|
|
|
BIOLOGICAL MONITORING OF TOXIC TRACE METALS. VOLUME 2. TOXIC TRACE METALS IN PLANTS AND ANIMALS OF THE WORLD. PART III |
|
The needs and priorities in using biological accumulator organisms for monitoring toxic trace metals in plants and animals are analyzed. The toxic trace metals selected for study a...
|
|
|
BIOLOGICAL RESPONSE TO VARIATION OF ACID-VOLATILE SULFIDES AND METALS IN FIELD-EXPOSED SPIKED SEDIMENTS |
|
Vertical and temporal variations of acid-volatile sulfides (AVS) and simultaneously extracted metals (SEM) in sediment can control biological impacts of metals. To assess the signi...
|
|
|
BIOLOGICAL RESPONSES OF THE SEA URCHIN, ARBACIA PUNTULATA, TO LEAD CONTAMINATION FOR AN ESTUARINE ECOLOGICAL RISK ASSESSMENT |
|
An estuarine ecological risk assessment for the Portsmouth Naval Shipyard (PNS) Kittery, ME, was conducted utilizing the U.S. EPA's Framework for Ecological Risk Assessment (ERA). ...
|
|
|
BIOLOGICAL SIGNIFICANCE OF SOME METALS AS AIR POLLUTANTS. PART I. LEAD |
|
The objective of this study was to put more light on the relationship between the concentration of a metal in air and in blood of exposed persons, and biological effects which may ...
|
|
|
BIOLOGICAL TRANSFORMATION OF ORGANIC POLLUTANTS IN GROUNDWATER |
|
Recent investigations have discovered surprisingly high numbers of microorganisms in shallow water-table aquifers. Evidence is accumulating that these microorganisms may, under cer...
|
|
|
BIOLOGICAL WASTE AIR TREATMENT IN BIOTRICKLING FILTERS. (R825392) |
|
AbstractRecent studies in the area of biological waste air treatment in biotrickling filters have addressed fundamental key issues, such as biofilm architecture, microb...
|
|
|
BIOMAKERS OF EXPOSURE AND METABOLIC SUSCEPTIBILITY TO FINE PARTICLE AIR POLLUTION |
|
The influence of metabolic susceptibility (GSTM1 and NAT2 genotypes) on the association between personal air exposures and biomarkers of exposure, dose, and genetic damage were m...
|
|
|
BIOMETHYLATION AND ENVIRONMENTAL TRANSPORT OF METALS |
|
This biological methylation of metals and their transport in the Environment are discussed. he methylating agents are methycobalamin and methyl iodide. Methyl metals are more volat...
|
|
|
BIONETS (THREE STACKED HYDRAULIC FRACTURES) CONTAINING SOLID OXYGEN SOURCE (SOS), ISOLITE (FIRED DIATOMACIOUS EARTH) AND BACTERIAL STRAIN PM1 TO STIMULATE IN SITU BIOREMEDIATION OF MTBE AND BTEX IN SOILS AND GROUNDWATER |
|
Collaboration with Office of Research and Development, Region 8, Foremost Solutions, University of California, and Native American Flathead Tribe lead to the development and demons...
|
|
|
BIORECOVERY OF METALS FROM ACID MINE DRAINAGE |
|
Acid mine water is an acidic, metal-bearing wastewater generated by the oxidation of metallic sulfides by certain bacteria in both active and abandoned mining operations. The waste...
|
|
|
BIORECOVERY OF METALS FROM ACID MINE DRAINAGE |
|
Acid mine water is an acidic, metal-bearing wastewater generated by the oxidation of metallic sulfides by certain bacteria in both active and abandoned mining operations. The waste...
|
|
|
BLOOD LEAD AND DECREMENTS IN ADULT PULMONARY FUNCTION |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
BLOOD LEAD AND SECONDARY SEXUAL CHARACTERISTICS AND MENSES IN U.S. GIRLS |
|
Blood Lead and Secondary Sexual Characteristics and Menses in U.S. Girls. *T. Wu, P. Mendola, and G.M. Buck (SUNY at Buffalo, Buffalo, NY 14214)
Purpose: To investigate the ...
|
|
|
BLOOD LEAD CONCENTRATION AND DELAYED PUBERTY IN GIRLS |
|
Background
Environmental lead exposure has been linked to alterations in growth and endocrine function. It is not known whether such exposure affects pubertal developmen...
|
|
|
BLOOD LEAD LEVELS AND SEXUAL MATURATION IN U.S. GIRLS: THE THIRD NATIONAL HEALTH AND NUTRITION EXAMINATION SURVEY, 1988-94 |
|
Context. Animal studies suggest that lead exposure may delay sexual maturation, raising concern about children's environmental lead exposure.
Objective. Assess the realtion be...
|
|
|
BLOOD LEAD, HEARING THRESHOLDS, AND NEUROBEHAVIORAL DEVELOPMENT IN CHILDREN AND YOUTH (JOURNAL VERSION) |
|
NHANES II audiometry data were used to confirm a previously observed link between blood lead (PbB) level and hearing threshold. Other indicators of neurological development, such a...
|
|
|
BLOOD LEAD, LUNG FUNCTION AND ASTHMA AMONG CHILDREN IN NHANES III. |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
BOOK REVIEW OF "ECOLOGICAL EFFECTS OF ROADS" |
|
Throughout the world, roads have become a permanent part of our environment. The ecological effects of roads and traffic are as consequential as other topical issues such as losse...
|
|
|
BOOK REVIEW: ARE YOU AN ADVOCATE, TACIT SUPPORTER, CRITICAL SKEPTIC, OR SILENT SKEPTIC? |
|
"Silent Sperm," "You're not half the man your grandfather was," "Assault on the Male," "Gender Benders,"-perhaps no other public health concern has given rise to the number of memo...
|
|
|
BOOK REVIEW: ESTUARINE SCIENCE: A SYNTHETIC APPROACH TO RESEARCH AND PRACTICE |
|
This book is the product of fifty leading estuarine scientists most of whom attended a workshop convened for the purpose of "put[ting] together the case for synthesis of estuarine ...
|
|
|
BRAIN CHOLINESTERASE INHIBITION AND DEPRESSION OF THE PHOTIC AFTER DISCHARGE (PHAD) OF FLASH EVOKED POTENTIALS (FEPS) IN LONG EVANS RATS FOLLOWING ACUTE OR REPEATED EXPOSURES TO A MIXTURE OF CARBARYL AND PROPOXUR. |
|
Carbaryl and propoxur are N-methyl carbamate pesticides (NMCs) which are part of the EPA’s cumulative risk assessments for NMCs. These NMCs inhibit cholinesterase (ChE) activity an...
|
|
|
BRAIN CHOLINESTERASE INHIBITION PRODUCED BY PROPOXUR AND DEPRESSION OF THE PHOTIC AFTER DISCHARGE OF FLASH EVOKED POTENTIALS IN LONG EVANS RATS. |
|
Propoxur is a widely used N-methyl carbamate pesticide that acts by inhibiting cholinesterases (ChE), which may lead to cholinergic toxicity. Flash evoked potentials (FEPs) are a n...
|
|
|
BYSTANDER EFFECTS GENOMIC INSTABILITY, ADAPTIVE RESPONSE AND CANCER RISK ASSESSMENT FOR RADIAION AND CHEMICAL EXPOSURES |
|
BYSTANDER EFFECTS, GENOMIC INSTABILITY, ADAPTIVE RESPONSE AND CANCER RISK ASSESSMENT FOR RADIATION AND CHEMICAL EXPOSURES
R. Julian Preston
Environmental Carcinogenesis D...
|
|
|
BYSTANDER EFFECTS, GENOMIC INSTABILITY, ADAPTIVE RESPONSE AND CANCER RISK ASSESSMENT FOR RADIATION AND CHEMICAL EXPOSURES |
|
There is an increased interest in utilizing mechanistic data in support of the cancer risk assessment process for ionizing radiation and environmental chemical exposures. In this r...
|
|
|
CALCULATIONS OF PK DIFFERENCES BETWEEN STRUCTURALLY SIMILAR COMPOUNDS |
|
An attempt is made to find out whether accurate calculations of pK differences in series of biologically active compounds are feasible. he computational method used employs a combi...
|
|
|
CALIFORNIA'S FIRST AERATION PLANTS FOR CORROSION CONTROL |
|
As required by the Lead and Copper Rule (LCR), Idyllwild Water District (IWD) and Pine Cove Water District (PCWD) conducted a sampling and testing program in 1993-1994. The program...
|
|
|
CAN BIOLOGICAL ASSESSMENTS DISCRIMINATE AMONG TYPES OF STRESS? A CASE STUDY FROM THE EASTERN CORN BELT PLAINS ECOREGION |
|
We investigated the feasibility of using the structure of fish and benthic macroinvertebrate communities to distinguish among major types of stressors(e.g.,siltation, nutrient enri...
|
|
|
CAN BIOLOGICAL ASSESSMENTS DISCRIMINATE AMONG TYPES OF STRESS? A CASE STUDY FROM THE EASTERN CORN BELTS PLAINS ECOREGION |
|
We investigated the feasability of using the structure of fish and benthic macroinvertebrate communities to distinguish among major types of stressors (e.g., siltation, nutrient en...
|
|
|
CAN FLUORIDATION AFFECT LEAD (II) IN POTABLE WATER? HEXAFLUOROSILICATE AND FLUORIDE EQUILIBRIA IN AQUEOUS SOLUTION |
|
Recent reports have attempted to show that fluoridating potable water is linked to increased levels of lead(II) in the blood. We examine these claims in light of the established s...
|
|
|
CAN FLUORIDATION AFFECT WATER LEAD (II) LEVELS AND LEAD (II) NEUROTOXICITY? |
|
Recent reports have attempted to show that certain approaches to fluoridating potable water is linked to increased levels of lead(II) in the blood. We examine these claims in ligh...
|
|
|
CAN FLUORIDATION AFFECT WATER LEAD LEVELS AND LEAD NEUROTOXICITY? |
|
Recent reports have attempted to show that certain approaches to fluoridating potable water is linked to increased levels of lead(II) in the blood. We examine these claims in light...
|
|
|
CAN FLUORIDATION AFFECT WATER LEAD LEVELS AND LEAD NEUROTOXICITY? |
|
Recent reports have attempted to show that certain approaches to fluoridating potable water is linked to increased levels of lead(II) in the blood. We examine these claims in light...
|
|
|
CANCER DOSE-RESPONSE MODELS INCORPORATING CLONAL EXPANSION |
|
Under the assumption that a malignant tumor develops through a sequence of steps (normal cells - initiated cells/foci - nodules - tumors) two classes of mathematical models of carc...
|
|
|
CANCER RISK ASSESSMENT FOR 1,3 BUTADIENE: DATA INTEGRATION OPPORTUNITIES |
|
The U.S. Environmental Protection Agency recently released its new Guidelines for Carcinogen Risk Assessment together with Supplemental Guidance for Assessing Susceptibility from E...
|
|
|
CANCER RISK ASSESSMENT FOR 1,3-BUTADIENE: DATA INTEGRATION OPPORTUNITIES |
|
The U.S. Environmental Protection Agency recently released its new Guidelines for Carcinogen Risk Assessment together with Supplemental Guidance for Assessing Susceptibility from E...
|
|
|
CANDLES AND INCENSE AS POTENTIAL SOURCES OF INDOOR AIR POLLUTION: MARKET ANALYSIS AND LITERATURE REVIEW (EPA/600/R-01/001) |
|
This report summarizes available information on candles and incense as potential sources of indoor air pollution. It covers market information and a review of the scientific litera...
|
|
|
CANDLES AND INCENSE AS POTENTIAL SOURCES OF INDOOR AIR POLLUTION: MARKET ANALYSIS AND LITERATURE SEARCH |
|
The report summarizes available information on candles and incense as potential sources of indoor air pollution. It covers market information and a review of the scientific literat...
|
|
|
CANDLES AND INCENSE AS POTENTIAL SOURCES OF INDOOR AIR POLLUTION: MARKET ANALYSIS AND LITERATURE SEARCH (EPA/600/R-01/001) |
|
The report summarizes available information on candles and incense as potential sources of indoor air pollution. It covers market information and a review of the scientific literat...
|
|
|
CAPSULE REPORT: ENVIRONMENTAL CONTROLS AT A SECONDARY LEAD SMELTER |
|
The Environmental Protection Agency and the National Institute for Occupational Safety and Health have sponsored a study of environmental and workplace controls at a domestic secon...
|
|
|
CARBON CONTAINING COMPONENT OF THE LOS ANGELES AEROSOL: SOURCE APPORTIONMENT AND CONTRIBUTIONS TO THE VISIBILITY BUDGET |
|
Source resolution of the organic component of the fine fraction of the ambient aerosol (d(sub p) < 3.5 micrometers) has been carried out by combining source information from the or...
|
|
|
CARBON SEQUESTRATION, BIOLOGICAL DIVERSITY, AND SUSTAINABLE DEVELOPMENT: INTEGRATED FOREST MANAGEMENT |
|
Tropical deforestation provides a significant contribution to anthropogenic increases atmospheric CO2 concentration that may lead to global warming. orestation and other forest man...
|
|
|
CARDIOVASCULAR DISEASES, SUSCEPTIBILITY TO OXIDATIVE INJURY AND COMPENSATORY MECHANISMS: INSIGHTS FROM RODENT MODELS |
|
Cardiovascular diseases (CVD) are the number one cause for human mortality and nearly 25% of the population develops chronic CVD at an age of 65 years or older. Environmental and g...
|
|
|
CARNOL PROCESS FOR CO2 MITIGATION FROM POWER PLANTS AND THE TRANSFORMATION SECTOR |
|
The report describes an alternative mitigation process that would convert waste carbon dioxide (CO2) to carbon an methanol using natural gas as process feedstock. The process yield...
|
|
|
CART DIAGNOSIS OF WATERSHED IMPAIRMENT IN THE MID-ATLANTIC REGION |
|
Many factors ( stressors ) can lead to increased concentrations of nutrients and sediments, and these factors change across watersheds. Classification and Regression Tree (CART) is...
|
|
|
CASE STUDIES IN THE INTEGRATED USE OF SCALE ANALYSES TO SOLVE LEAD PROBLEMS |
|
All methods of controlling lead corrosion involve immobilizing lead into relatively insoluble compounds that deposit on the interior wall of water pipes. Many different solid phase...
|
|
|
CATEGORICAL PERCEPTION FOR VOICING CONTRASTS IN NORMAL AND LEAD-TREATED RHESUS MONKEYS: ELECTROPHYSIOLOGICAL INDICES |
|
Categorical perception of voicing contrasts was evaluated in rhesus monkeys. The monkeys had been chronically exposed to subclinical levels of lead either from conception to birth,...
|
|
|
CAUSAL ANALYSIS AND ADAPTIVE MANAGEMENT IN THE WILLIMANTIC RIVER, CONNECTICUT THAT LED TO IMPROVED BENTHIC COMMUNITY CONDITION |
|
Determining the cause of a biological impairment can be a daunting task, one that is complicated by multiple possible causes, spotty or irregularly collected data, natural variatio...
|
|
|
CAVEATS IN HAZARD ASSESSMENT: STRESS AND NEUROTOXICITY |
|
A primary aim of neurotoxicology is to identify agents that impact directly on the nervous system with the ultimate goal of identifying any adverse effects associated with exposure...
|
|
|
CD34 EXPRESSION BY HAIR FOLLICLE STEM CELLS IS REQUIRED FOR SKIN TUMOR DEVELOPMENT IN MICE |
|
We used knockout mice to show that a cell surface protein called CD34 is required for skin tumor formation in mice. Wild type mice treated with 7-12-Dimethylbenz(a)anthracene (DMBA...
|
|
|
CELLULAR TOXICITY IN CHINESE HAMSTER OVARY CELL CULTURES. 2. A STATISTICAL APPRAISAL OF SENSITIVITY WITH THE RABBIT ALVEOLAR MACROPHAGE, SYRIAN HAMSTER EMBRYO, BALB 3T3 MOUSE, AND HUMAN NEONATAL FIBROBLAST CELL SYSTEMS |
|
Chinese hamster ovary, rabbit alveolar macrophage, Syrian Hamster embryo, mouse, and human neonatal fibroblast cells were employed in a statistical evaluation of the relative sensi...
|
|
|
CHANGES IN NUCLEAR TRANSCRIPTION FACTORS IN RAT HIPPOCAMPUS AND CEREBELLUM FOLLOWING DEVELOPMENTAL EXPOSURE TO A COMMERCIAL PCB MIXTURE. |
|
Polychlorinated biphenyls (PCBs) offer a unique model to understand the major issues related to complex environmental mixtures. These pollutants are ubiquitous and exist as mixture...
|
|
|
CHANGES IN PROTEOMIC PROFILES OF CEREBELLUM FOLLOWING DEVELOPMENTAL EXPOSURE TO AROCLOR 1254 OR DE-71. |
|
Chronic low level exposure to polychlorinated biphenyls (PCBs) has been shown to adversely affect human health, including learning and memory. Polybromiated diphenyl ethers (PBDEs)...
|
|
|
CHANGES IN SPECTRAL AND PHOTOCHEMICAL PROPERTIES OF COLORED DISSOLVED ORGANIC MATTER IN A COASTAL ESTUARY |
|
Colored dissolved organic matter (CDOM) is the primary determinant of UV penetration and exposure in freshwater and coastal environments. CDOM is photochemically reactive and its p...
|
|
|
CHANGES IN THE RAT EEG SPECTRA AND CORE TEMPERATURE AFTER EXPOSURE TO DIFFERENT DOSES OF CHLORPYRIFOS. |
|
Our previous study showed that single exposure to 25 mg/kg (p.o.) of organophsphate pesticide chlorpyrifos (CHP) led to significant alterations in all EEG frequency bands within 0....
|
|
|
CHAPTER 17 DISCUSSION: EXERCISE AND THE ENVIRONMENT |
|
This chapter elaborates on two areas briefly discussed by Dr. Sutton: he effect of our air environment on fitness and human health, specifically the effects on the lungs; and the t...
|
|
|
CHAPTER 9: PROTECTING ENVIRONMENTAL WELFARE: COMPARISON OF EMERGETIC AND ECONOMIC VALUATION |
|
To protect human and environmental welfare, the US EPA aims to base environmental regulations and policies on sound scientific and, where possible, economic analyses. The EPA has...
|
|
|
CHARACTERISTICS OF PILOT- AND FULL-SCALE HAZARDOUS WASTE INCINERATOR ASH |
|
This review encompasses ash characterization data from 16 different hazardous waste incinerators, both pilot- and full-scale, treating a variety of waste streams. Its focus is on 1...
|
|
|
CHARACTERIZAITON OF PARTICULATE EMISSIONS FROM MUNICIPAL WASTEWATER SLUDGE INCINERATORS |
|
Particulate emissions from a group of municipal sludge incinerators with multiple-hearth furnaces, one with a fluidized-bed furnace were characterized. Three plants operated at or ...
|
|
|
CHARACTERIZATION OF AIR EMISSIONS AND RESIDUAL ASH FROM OPEN BURNING OF ELECTRONIC WASTES DURING SIMULATED RUDIMENTALRY RECYCLING OPERATIONS |
|
Air emissions and residual ash measurements were made from open, uncontrolled combustion of electronic waste (e-waste) during simulations of practices associated with rudimentary e...
|
|
|
CHARACTERIZATION OF AIR EMISSIONS FROM THE SIMULATED OPEN COMBUSTION OF FIBERGLASS MATERIALS |
|
The report identifies and quantifies a broad range of pollutants that are discharged during small-scale, simulated, open combustion of fiberglass, and reports these emissions relat...
|
|
|
CHARACTERIZATION OF AIR POLLUTANTS EMITTED FROM A SIMULATED SCRAP TIRE FIRE |
|
The paper describes a small-scale combustion study, designed to collect, identify, and quantify products emitted during the simulated open combustion of scrap tires. he study found...
|
|
|
CHARACTERIZATION OF BOLIDEN'S SULFIDE - LIME PRECIPITATION PLANT |
|
This report provides information on the soluble sulfide precipitation process (Na2S) used at a copper/lead smelter for treatment of wastewater. The study presents the results of a ...
|
|
|
CHARACTERIZATION OF DESULFOMICROBIUM ESCAMBIUM SP. NOV. AND PROPOSAL TO ASSIGN DESULFOVIBRIO DESULFURICANS STRAIN NORWAY 4 TO THE GENUS DESULFOMICROBIUM |
|
Investigations of an anaerobic co-culture that dechlorinated 3-chlorobenzoate lead to the isolation of a new species of sulfate-reducing bacteria (strain ESC1). train ESC1 is an ob...
|
|
|
CHARACTERIZATION OF EMISSIONS FROM THE SIMULATED OPEN-BURNING OF NON-METALLIC AUTOMOBILE SHREDDER RESIDUE |
|
The report gives results of a study in which the open combustion of a nonmetallic waste product called "fluff" was simulated and the resulting emissions collected and characterized...
|
|
|
CHARACTERIZATION OF LOCALIZED CORROSION OF COPPER PIPES USED IN DRINKING WATER |
|
Localized corrosion of copper, or "copper pitting" in water distribution tubing is a large problem at many utilities. Pitting can lead to pinhole leaks less than a year. Tubing af...
|
|
|
CHARACTERIZATION OF MANUFACTURING PROCESSES AND EMISSIONS AND POLLUTION PREVENTION OPTIONS FOR THE COMPOSITE WOOD INDUSTRY |
|
The report summarizes information gathered on emissions from the composite wood industry (also called the Plywood and particleboard industry) and potential pollution prevention opt...
|
|
|
CHARACTERIZATION OF PARTICULATE EMISSIONS FROM NON-FERROUS SMELTERS |
|
Chemical composition and particle size data for particulate emissions for stationary sources are required for environmental health effect assessments, air chemistry studies, and ai...
|
|
|
CHARACTERIZATION OF PB2+ UPTAKE AND SEQUESTRATION IN PSEUDOMONAS AERUGINOSA CHL004 |
|
In laboratory studies, the soil isolate Pseudomonas aeruginosa CHL004 (Vesper et al 1996) has been found to concentrated Pb2+ in the cytoplasm by formation of particles that contai...
|
|
|
CHARACTERIZATION OF PB2+ UPTAKE AND SEQUESTRATION IN PSEUDOMONAS AERUGINOSA, CHL004, LEAD |
|
In laboratory studies, the soil isolate Pseudomonas aeruginosa CHL004 has been found to concentrate Pb2+ in the cytoplasm by formation of particles that contain Pb2+ and phosphorus...
|
|
|
CHARACTERIZATION OF PM-10 EMISSIONS FROM ANTISKID MATERIALS APPLIED TO ICE- AND SNOW-COVERED ROADWAYS - PHASE II |
|
The report gives results of field sampling on 47th Street in Kansas City, MO, during February and March 1993 to quantify the PM-10 emissions associated with the use of rock salt (N...
|
|
|
CHARACTERIZATION OF PRECURSOR 165 RRNA FOR AEROMONAS HYDROPHILA |
|
Current strategies for monitoring drinking water quality involve culture-based methods to detect the presence of microbial indicators. However, these methods are insensitive when ...
|
|
|
CHARACTERIZATION OF PRECURSOR FOR 16S rRNA FOR AEROMONAS HYDROPHILA |
|
Current strategies for monitoring drinking water quality involve culture-based methods to detect the presence of microbial indicators. However, these methods are insensitive when ...
|
|
|
CHARACTERIZATION OF PRIORITY POLLUTANTS FROM A SECONDARY LEAD AND BATTERY MANUFACTURING FACILITY |
|
A plant site at which secondary lead is produced from old batteries was sampled utilizing the U.S. EPA protocol for the priority pollutants. The waste treatment plant at this site ...
|
|
|
CHARACTERIZATION OF THE DUST/SMOKE AEROSOL THAT SETTLED EAST OF THE WORLD TRADE CENTER (WTC) IN LOWER MANHATTAN AFTER THE COLLAPSE OF THE WTC 11 SEPTEMBER 2001 |
|
The explosion and collapse of the World Trade Center (WTC) was a catastrophic event that produced an aerosol plume impacting many workers, residents, and commuters during the fir...
|
|
|
CHARACTERIZATION OF THE WINTERTIME BOISE, IDAHO, AIR SHED: A COMPREHENSIVE FIELD STUDY REPORT FOR THE U.S. EPA OFFICE OF AIR QUALITY PLANNING AND STANDARDS |
|
A large-scale ambient monitoring program vas conducted in Boise, Idaho, during the 1986-1987 winter heating season to evaluate the impact of residential wood combustion (RWC) and a...
|
|
|
CHELATING EXTRACTION OF LEAD AND COPPER FROM AN AUTHENTIC CONTAMINATED SOIL USING N-(2-ACETAMIDO)IMINODIACETIC ACID AND S CARBOXYMETHYL-L-CYSTEINE. (R825549C052) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
CHELATION EXTRACTION OF LEAD FROM CONTAMINATED SOIL. (R825549C052) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
CHEMICAL AND PHYSICAL CHARACTERIZATION OF MUNICIPAL SLUDGE INCINERATOR EMISSIONS |
|
Particulate emissions form a group of municipal sludge incinerators, three with multiple-hearth furnaces and one with a fluidized-bed furnace, were characterized. Objectives of the...
|
|
|
CHEMICAL CONTAMINANTS IN HOUSE DUST: OCCURRENCES AND SOURCES |
|
Pesticides, polynuclear aromatic hydrocarbons (PAHs), lead (Pb), and other metals accumulate in home soil and house dust. xposure of infants and toddlers to Pb by dust may be great...
|
|
|
CHEMICAL CONTAMINANTS IN NONOCCUPATIONALLY EXPOSED U.S. RESIDENTS |
|
The report reviews the manner in which chemical contaminants found in nonoccupationally exposed U.S. residents enter the environment and subsequently human tissue. Approximately 10...
|
|
|
CHEMICAL INDUCTION OF TUMORS IN OYSTERS BY A MIXTURE OF AROMATIC AND CHLORINATED HYDROCARBONS, AMINES, AND METALS |
|
Tumors were induced in eastern oysters (Crassotrea virginica) by a mixture f aromatic hydrocarbons, an aromatic amine, polychlori-nated biphenyls, chlorinated hydrocarbons, a nitro...
|
|
|
CHEMICAL TRANSFORMATION MODULES FOR EULERIAN ACID DEPOSITION MODELS. VOLUME 1. THE GAS-PHASE CHEMISTRY |
|
This study focuses on the review and evaluation of mechanistic and kinetic data for the gas-phase reactions that lead to the production of acidic substances in the environment. A m...
|
|
|
CHEMICAL TRANSFORMATION MODULES FOR EULERIAN ACID DEPOSITION MODELS. VOLUME 2. THE AQUEOUS-PHASE CHEMISTRY |
|
This study focuses on the review and evaluation of mechanistic and kinetic data for aqueous-phase reactions that lead to the production of acidic substances in the environment. The...
|
|
|
CHEMICAL TRANSFORMATIONS USING NON-TRADITIONAL APPROACHES: MICROWAVE-ASSISTED GREENER SYNTHESES IN AQUEOUS MEDIA OR UNDER SOLVENT-FREE CONDITIONS |
|
Microwave (MW) irradiation in conjunction with water as reaction media has proven to be a 'greener' chemical approach for expeditious N-alkylation reactions of amines and hy...
|
|
|
CHEMICAL TREATMENT FOR CONTROLLING LEAD IN DRINKING WATER |
|
Though the pace of research into lead corrosion in the United States has slowed considerably over the past 10 years, there are still several major research discoveries and implemen...
|
|
|
CHEMICALS THAT DISRUPT THE THYROID AXIS: COLLABORATION BETWEEN ORD AND STAR GRANT RECIPIENTS. |
|
For effective regulation, the EPA must determine the potential adverse consequences of mild disturbances of the thyroid axis on brain development. Severe hypothyroidism has long be...
|
|
|
CHEMOSENSORS FOR LEAD (II) AND ALKALI METAL IONS BASED ON SELF-ASSEMBLING FLUORESCENCE ENHANCEMENT (SAFE). (R828129) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
CHIRAL METHODS AND ANALYSIS OF PCB 95 AND CIS -PERMETHRIN IN ENVIRONMENTAL SAMPLES FROM THE CTEPP STUDY |
|
The creation of chiral chromatography techniques significantly advanced the development of methods for the analysis of individual enantiomers of chiral compounds. These techniques ...
|
|
|
CHOICE OF INDICATOR DETERMINES THE SIGNIFICANCE AND RISK OBTAINED FROM THE STATISTICAL ASSOCIATION BETWEN FINE PARTICULATE MATTER MASS AND CARDIOVASCULAR MORTALITY |
|
Minor changes in the indicator used to measure fine PM, which cause only modest changes in Mass concentrations, can lead to dramatic changes in the statistical relationship of fine...
|
|
|
CHOLINERGIC AND NORADRENERGIC MODULATION OF LONG-TERM EXPLICIT MEMORY ARE ALTERED BY CHRONIC LOW-LEVEL LEAD EXPOSURE. (U915393) |
|
Recent evidence suggests that septohippocampal cholinergic activity is suppressed in rats exposed to low levels of lead (Pb). As a result, noradrenergic activity may be elevated...
|
|
|
CHROMIUM ELECTROANALYSIS AT SCREEN PRINTED ELECTRODE MODIFIED BY THIN FILMS OF NICKEL |
|
A rapid and potentially cost-effective electrochemical method is reported for analysis of chromium (VI) and Chromium(III) using a nickel modified screen printed carbon ink ele...
|
|
|
CHRONIC DEVELOPMENT LEAD EXPOSURE INCREASES THE THRESHOLD FOR LONG-TERM POTENTIATION IN RAT DENTATE GYRUS IN VIVO |
|
NO ABSTRACT PROVIDED...
|
|
|
CHRONIC DEVELOPMENTAL LEAD (PB) EXPOSURE INCREASES PHOSPHORYLATED FORMS OF RAT HIPPOCAMPAL PROTEIN KINASE C (PKC) |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
CHRONIC DEVELOPMENTAL LEAD EXPOSURE AND HIPPOCAMPAL LONG-TERM POTENTIATION: BIPHASIC DOSE-RESPONSE RELATIONSHIP |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
CHRONIC DEVELOPMENTAL LEAD EXPOSURE REDUCES NEUROGENESIS IN ADULT HIPPOCAMPUS. |
|
CHRONIC DEVELOPMENTAL LEAD EXPOSURE REDUCES NEUROGENESIS IN ADULT HIPPOCAMPUS. ME Gilbert1, ME Kelly2, S. Salant3, T Shafer1, J Goodman3 1Neurotoxicology Div, US EPA, RTP, NC, 2771...
|
|
|
CHRONIC DEVELOPMENTAL LEAD EXPOSURE REDUCES NEUROGENESIS IN ADULT RAT HIPPOCAMPUS BUT DOES NOT IMPAIR SPATIAL LEARNING. |
|
It has long been heralded that the mature brain does not generate new neurons, it only loses them as a function of injury, disease and age. An exciting recent finding in neuroscien...
|
|
|
CHRONIC DOSE RESPONSE STUDY OF LEAD TOXICITY IN RATS: ASSIGNMENT OF A LOWEST OBSERVED EFFECT LEVEL IN A DRINKING WATER STUDY. (R827161) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
CHRONIC LEAD EXPOSURE ALTERS EXPLICIT MEMORY FUNCTION. (U915393) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
CHRONIC TOXICITY OF LEAD AND CADMIUM. I. CHANGES IN THE CENTRAL NERVOUS SYSTEM OF THE PARENTAL GENERATION OF RATS AFTER CHRONIC INTOXICATION WITH LEAD AND CADMIUM |
|
This paper examines the effects of chronic exposure to trace amounts of lead and cadmium on the central nervous system of male Westar rats. Treatments consisted of two levels of le...
|
|
|
CHRONIC TOXICITY OF LEAD AND CADMIUM. II. CHANGES IN THE CENTRAL NERVOUS SYSTEM OF THE F1 GENERATION OF RATS AFTER CHRONIC INTOXICATION WITH LEAD AND CADMIUM |
|
This paper examines the effects of chronic exposure to the trace elements, lead and cadmium, on the central nervous system of F1 generation Wistar rats. Both the parental and F1 ge...
|
|
|
CHRONIC TOXICITY OF LEAD AND CADMIUM: III. EFFECTS OF CHRONIC INTOXICATION ON THE REPRODUCTIVE FUNCTION OF THE F1 GENERATION OF RATS AND ON THE CENTRAL NERVOUS SYSTEM OF THE F2 GENERATION |
|
Wistar rats, decended from animals used in previous toxicity studies, were administered lead and cadmium via drinking water and examined for changes in locomotor activity, neuroche...
|
|
|
CHRONOLOGY, MAGNITUDE AND PALEOLIMNOLOGICAL RECORD OF CHANGING METAL FLUXES RELATED TO ATMOSPHERIC DEPOSITION OF ACIDS AND METALS IN NEW ENGLAND |
|
Zinc and lead concentrations and deposition rates in sediments of three New England lakes began increasing (but at different rates) ca. 1860-1880. Maximum concentration increases r...
|
|
|
CLASTOGENICITY EVALUATION OF SEVEN CHEMICALS COMMONLY FOUND AT UNCONTROLLED INDUSTRIAL WASTE SITES |
|
Seven chemicals commonly found at industrial waste sites were tested with the Tradescantia-micronucleus (Trad-MCN) assay to evaluate their clastogenic potential. They were: Aldrin,...
|
|
|
CLIMATE IMPACTS ON REGIONAL AIR QUALITY (CIRAQ): MODELING OZONE SENSITIVITIES TO FUTURE CLIMATE |
|
Using global and regional modeling tools, predictions of future climate and ozone concentrations are developed for the continental United States. Results suggest that future chang...
|
|
|
COAL GASIFIER PARAMETERS INFLUENCING ENVIRONMENTAL POLLUTANT PRODUCTION |
|
A series of fixed-bed coal gasification and pyrolysis tests have been performed in a laboratory-scale reactor of 6.6 cm inside diameter. Chemical analyses were conducted on the pro...
|
|
|
COASTAL INDICATOR RESEARCH AND EPA COLLABORATION WITH GLEI |
|
EPA's collaboration with GLEI keys from a principal strength of the GLEI effort ? its focus on responsiveness/sensitivity of potential biological indicators. This focus has lead t...
|
|
|
COGNIS TERRAMET® LEAD EXTRACTION PROCESS; INNOVATIVE TECHNOLOGY EVALUATION REPORT |
|
This report documents an evaluation of lead removal from sands and fines fractions of contaminated soils by the COGNIS TERRAMET® lead extraction process (COGNIS process). The eval...
|
|
|
COLLABORATIVE RESEARCH: IN SITU MITIGATION OF MERCURY CONTAMINATED GROUNDWATER IN KAZAKHSTAN |
|
Abstract for EPA Science Forum.
The EPA Office of International Affairs is managing a U.S. State Department -funded project to redirect former Soviet Union biological weapon...
|
|
|
COLLABORATIVE RESEARCH: IN-SITU MITIGATION OF MERCURY CONTAMINATED GROUNDWATER IN KAZAKHSTAN |
|
The U.S. Environmental Protection Agency (U.S. EPA) OIA receives funding from the U.S. State Department's Bio-Chem Redirect program to engage former Soviet biological and chemical ...
|
|
|
COLLECTION OF DESIGN DATA: SITE CHARACTERIZATION FOR PERMEABLE REACTIVE BARRIERS |
|
Permeable reactive barriers (PRBs) for the restoration of contaminated ground water are no longer innovative. PRBs have evolved from innovative to accepted, standard practice, for...
|
|
|
COLLOID MOBILIZATION AND TRANSPORT IN CONTAMINANT PLUMES: FIELD EXPERIMENTS, LABORATORY EXPERIMENTS, AND MODELING (EPA/600/S-99/001) |
|
The major hypothesis driving this research, that the transport of colloids in a contaminant plume is limited by the advance of the chemical agent causing colloid mobilization, was ...
|
|
|
COLLOID MOBILIZATION AND TRANSPORT IN CONTAMINANT PLUMES: FILED EXPERIMENTS, LABORATORY EXPERIMENTS, AND MODELING |
|
The major hypothesis driving this research, that the transport of colloids in a contaminant plume is limited by the advance of the chemical agent causing colloid mobilization, was ...
|
|
|
COMBUSTION CONTROL OF ORGANIC EMISSIONS FROM MUNICIPAL WASTE COMBUSTORS |
|
The article: (1) identifies specific combustion conditions which are postulated to lead to low emission of organics--components of good combustion practice (GCP), (2) summarizes ex...
|
|
|
COMBUSTOR STUDY OF THE DEACTIVATION OF A THREE-WAY CATALYST BY LEAD AND MANGANESE |
|
The activity and durability of a platinum-rhodium automotive three-way catalyst were investigated as a function of lead and manganese fuel levels using a pulse-flame combustor. Tot...
|
|
|
COMPARING SAMPLING DESIGNS FOR MONITORING ECOLOGICAL STATUS AND TRENDS: IMPACT OF TEMPORAL PATTERNS |
|
This paper presents a comparison of two classes of sampling designs suggested for long-term environmental monitoring. one class is based on a rotating panel design that prescribes ...
|
|
|
COMPARISON BETWEEN ZEEMAN AND CONTINUUM BACKGROUND CORRECTION FOR GRAPHITE FURNACE AAS ON ENVIRONMENTAL SAMPLES |
|
A comparison study was carried out to evaluate the two most commonly used background correction techniques in furnace atomic absorption spectroscopy, the Zeeman effect and continuu...
|
|
|
COMPARISON OF APATITE II™ TREATMENT SYSTEM AT TWO MINES FOR METALS REMOVAL |
|
Two abandoned lead-zinc mine sites, the Nevada Stewart Mine (NSM) and Success Mine, are located within the Coeur d'Alene Mining District, in northern Idaho. An Apatite II™ Treatme...
|
|
|
COMPARISON OF DATA FROM SYNTHETIC LEACHATE AND DIRECT SAMPLING OF ACID DRAINAGE FROM MINE WASTES: IMPLICATIONS FOR MERCURY TRANSPORT AND WASTE MANAGEMENT |
|
The Sulphur Bank Mercury Mine (SBMM) in Lake County, California operated from the 1860s through the 1950's. Mining for sulfur started with surface operations and progressed to sha...
|
|
|
COMPARISON OF EUROPEAN AND UNITED STATES APPROACHES TO NEW AND EXISTING SUBSTANCES REGULATION |
|
Chemical regulation in Europe and the U.S. share the goal of protection of human health and the environment, but regulatory requirements differ between the two jurisdictions. This...
|
|
|
COMPARISON OF NEUROSCREEN-1 AND CEREBELLAR GRANULE CELL CULTURES FOR EVALUATING NEURITE OUTGROWTH USING THE ARRAYSCAN HIGH CONTENT ANALYSIS SYSTEM |
|
A major challenge facing the Environmental Protection Agency is the development of high-throughput screening assays amendable to resource-efficient developmental neurotoxicity for ...
|
|
|
COMPARISON OF NONMETHANE ORGANIC COMPOUND CONCENTRATIONS DATA COLLECTED BY TWO METHODS IN ATLANTA |
|
The Clean Air Act Amendments of 1990, Title 1, call for "enhanced monitoring" of ozone, which is planned to include measurements of atmospheric non-methane organic compounds (NMOC'...
|
|
|
COMPARISON OF PCB AND TRACE METAL BIOACCUMULATION IN THE BLUE MUSSEL, MYTILUS EDULIS, AND THE RIBBED MUSSEL, MODIOLUS DEMISSUS, IN NEW BEDFORD HARBOR, MASSACHUSETTS |
|
The accumulation of PCBs and trace metals was compared at 14-d intervals between two filter-feeding bivalves, the blue mussel, Mytilus edulis, and the ribbed mussel, Modiolus demis...
|
|
|
COMPARISON OF PLASMA CHOLINESTERASE DEPRESSION AMONG WORKERS OCCUPATIONALLY EXPOSED TO ORGANOPHOSPHORUS PESTICIDES AS REPORTED BY VARIOUS STUDIES |
|
A number of studies have reported on the inhibitory effects of organophosphorus pesticides (OPs) on the enzyme cholinesterase (ChE) among agricultural workers. With the increasing ...
|
|
|
COMPARISON OF TIME-OF-FLIGHT AND DOUBLE FOCUSING MASS SPECTROMETRY FOR REACHING TENTATIVE IDENTIFICATIONS FOR UNANTICIPATED COMPOUNDS ADDED TO DRINKING WATER BY TERRORISTS |
|
Local monitoring of post-treatment drinking water using bench-top mass spectrometers could identify target compounds in a mass spectral library. However, a terrorist might seek to ...
|
|
|
COMPARTMENTAL MODELS WITH SPATIAL DIFFUSION: ESTIMATION FOR BONE-SEEKING TRACERS |
|
A compartmentlike model is developed for tracers in which bone-volume diffusion plays an important role in body distribution (e.g. bone-volume-seeking metals). The model requires s...
|
|
|
COMPETITION FOR RESOURCES IN TREES: PHYSIOLOGICAL VERSUS MORPHOLOGICAL PLASTICITY |
|
In this review we examine two hypotheses related to resource acquisition in trees. The first hypothesis states that when competition is size-asymmetrical, then allocation changes ...
|
|
|
COMPETITIVE INFLUENCE OF PHOSPHORUS AND CALCIUM ON PB IN-VITRO BIOAVAILABILITY |
|
The bioavailability of a metal is heavily related to the speciation of the particular metal. Further, the complexity of examining metal bioavailability is compounded by the presenc...
|
|
|
COMPETITIVE INFLUENCE OF PHOSPHORUS AND CALCIUM ON PB IN-VITRO BIOAVAILABILITY (S11-SCHECKEL101231-POSTER) |
|
The bioavailability of a metal is heavily related to the speciation of the particular metal. Further, the complexity of examining metal bioavailability is compounded by the presenc...
|
|
|
COMPLIANCE STATUS DOES NOT EFFECT CHANGES IN CHILDREN'S BLOOD LEAD LEVELS |
|
BACKGROUND: Childhood lead poisoning is a well-recognized health concern. Lead-based paint in homes poses a particular risk for children, and protecting children from lead hazards ...
|
|
|
COMPOSITION OF AEROSOLS OVER LOS ANGELES FREEWAYS |
|
In October of 1976, aerosol particulate samples were collected while driving on Los Angeles freeways and were analyzed for sulfate, nitrate, and elemental composition. The measurem...
|
|
|
COMPREHENSIVE EVALUATION OF A FIELD TEST KIT FOR LEAD |
|
The Hach Lead-Trak(R) test kit for lead in water was tested in a laboratory evaluation. onsidered were: perator bias, precision, accuracy, linear calibration range, and potential d...
|
|
|
COMPUTATIONAL MODELING OF SERUM BINDING PROTEINSAND CLEARANCE IN EXTRAPOLATIONS ACROSS LIFE-STAGES AND SPECIES FOR ENDOCRINE ACTIVE COMPOUNDS |
|
One measure of the potency of compounds that lead to adverse effects through ligand-dependent gene transcription is the relative affinity for the critical receptor. Endocrine acti...
|
|
|
COMPUTER ANALYSIS OF PLANAR GAMMA CAMERA IMAGES |
|
COMPUTER ANALYSIS OF PLANAR GAMMA CAMERA IMAGES
T Martonen1 and J Schroeter2
1Experimental Toxicology Division, National Health and Environmental Effects Rese...
|
|
|
COMPUTING TMDLS FOR URBAN RUNOFF AND OTHER POLLUTANT SOURCES |
|
Under the Clean Water Act, states are required to compute Total Maximum Daily Loads (TMDLS) for their priority water bodies. MDL determines the maximum pollutant loading from both ...
|
|
|
CONCENTRATIONS AND COMPOSITIONS OF POLYBROMINATED BIPHENYLS, -DIBENZO-P-DIOXINS, AND -DIBENZOFURANS IN TECHNICAL POLYBROMINATED DIPHENYL ETHER PREPARATIONS. |
|
Polybrominated diphenyl ethers (PBDEs) have been used as flame retardants in textiles, electronic equipment and plastics.1 The three major commercial products available in the mark...
|
|
|
CONCEPTUAL FRAMEWORK FOR CATEGORIZING YOUNG CHILDREN'S EATING BEHAVIORS |
|
Recent studies of total dietary ingestion of common indoor contaminants have demonstrated that young children's behaviors while eating can lead to a significant source of food co...
|
|
|
CONDITION OF ESTUARIES OF CALIFORNIA FOR 1999: A STATISTICAL SUMMARY |
|
As a part of the National Coastal Assessment (NCA), the Western Pilot Study under the Environmental Monitoring and Assessment Program (EMAP) initiated a five year Coastal component...
|
|
|
CONDITION OF ESTUARIES OF THE WESTERN UNITED STATES FOR 1999: A STATISTICAL SUMMARY |
|
As a part of the National Coastal Assessment, the Environmental Monitoring and Assessment Program (EMAP) initiated a five-year Western Coastal component in 1999. The objectives of...
|
|
|
CONDITIONED CHOROPLETH MAPS AND HYPOTHESIS GENERATION |
|
The paper describes a recently developed for multivariate data analysis template called conditioned choropleth maps (CCmaps). This template is a two-way layout of maps designed to ...
|
|
|
CONDITIONED FLAVOR AVERSIONS: APPLICATIONS IN ASSESSING THE EFFICACY OF CHELATORS IN THE TREATMENT OF HEAVY-METAL INTOXICATION |
|
A series of studies investigated the conditioned flavor aversions induced by administration of either lead or thallium in combination with either dimercaprol or dimercaptosuccinic ...
|
|
|
CONSTRUCTED WETLANDS VS. RETENTION PONDS BMPS: THE ROLE OF VEGETATION IN IMPROVED POLLUTANT MANAGEMENT FOR URBAN STORMWATER TREATMENT |
|
Increased urbanization has resulted in a larger percentage of impervious areas that produce large quantities of stormwater runoff and contribute significant amounts of debris and p...
|
|
|
CONTAMINANT MINIMUM-DOSE THRESHHOLD CONCENTRATIONS FOR WATER QUALITY SENSORS |
|
Internal report on bench-scale experiments performed at EPA T&E Facility in Cincinnati, on a number of contaminants that are potential threats to the drinking water supply. Types o...
|
|
|
CONTAMINANT SENSITIVITY OF THREATENED AND ENDANGERED FISHES COMPARED TO STANDARD SURROGATE SPECIES |
|
Section 7 of the Endangered Species Act requires Federal agencies to insure that any action authorized, funded or carried out by them is not likely to jeopardize the continued exi...
|
|
|
CONTAMINANTS AND REMEDIAL OPTIONS AT SELECTED METAL-CONTAMINATED SITES |
|
This document provides information that facilitates characterization of the site and selection of treatment technologies at metals-contaminated sites that would be capable of meeti...
|
|
|
CONTAMINANTS AND REMEDIAL OPTIONS AT WOOD PRESERVING SITES |
|
This document provides information that facilitates characterization of the site and selection of treatment technologies at wood preserving sites, to meet the regulations’ acceptab...
|
|
|
CONTAMINANTS IN WATER AND SEDIMENT |
|
The Detroit River has experienced over a century of heavy contaminant discharges from industry and municipalities. The sources of contaminants vary, and include non-point sources, ...
|
|
|
CONTAMINATION OF PUBLIC GROUND WATER SUPPLIES BY SUPERFUNDSITES |
|
Multiple sources of contamination can affect ground water supplies, including municipal landfills, industrial operations, leaking underground storage tanks, septic tank systems, an...
|
|
|
CONTRIBUTION OF CHLIDREN'S ACTIVITIES TO LEAD CONTAMINATION OF FOOD |
|
This study evaluates the relationship of children's hygiene habits and food handling behaviors on lead levels on hands and handled foods for toddlers living in lead contaminated ho...
|
|
|
CONTROL CHARACTERISTICS OF CARBON BEDS FOR GASOLINE VAPOR EMISSIONS |
|
The report gives results of a study of the practical working capacity of activated carbon to cyclically adsorb gasoline vapor which would otherwise be lost to the atmosphere; e.g.,...
|
|
|
CONTROL OF PARTICULATE EMISSIONS IN THE PRIMARY NONFERROUS METALS INDUSTRIES |
|
The purpose of the symposium on 'Control of Particulate Emissions in the Primary Nonferrous Metals Industries' was to provide a forum for the exchange of knowledge and new ideas on...
|
|
|
CONTROL TECHNOLOGIES FOR DEFUNCT LEAD BATTERY RECYCLING SITES - OVERVIEW AND RECENT DEVELOPMENTS |
|
At least 29 lead battery recycling sites are or have been slated for investigation and possible remediation under the Superfund program. his paper condenses information regarding t...
|
|
|
CONTROL TECHNOLOGIES FOR REMEDIATION OF CONTAMINATED SOIL AND WASTE DEPOSITS AT SUPERFUND LEAD BATTERY SITES |
|
This paper primarily addresses remediation of contaminated soils and waste deposits at defunct lead-acid battery recycling sites (LBRS) via immobilization and separation processes....
|
|
|
CONTROL TECHNOLOGY CENTER, 1990 - A YEAR OF EXPANDING SERVICE |
|
The report discusses services provided by EPA's Control Technology Center (CTC) during FY90. he CTC, developed by EPA's Office of Research and Development (ORD) and Office of Air P...
|
|
|
CONTROLLING STORM WATER RUNOFF WITH TRADABLE CREDITS FOR IMPERVIOUS SURFACES |
|
Storm water flow off impervious surface in a watershed can lead to stream degradation, habitat alteration, low base flows and toxic leading. We show that a properly designed tradab...
|
|
|
CONTROLLING STORMWATER RUNOFF WITH TRADABLE CREDITS FOR IMPERVIOUS SURFACES |
|
Stormwater flow from an impervious surface can lead to stream degradation, habitat alteration, low base flows and increased toxic loadings from nonpoint sources, a problem that has...
|
|
|
CONVERGENCE OF ECOLOGICAL ASSESSMENT AND RISK ASSESSMENT: TOWARDS HOLISTIC ENVIRONMENTAL PROTECTION |
|
A major emphasis of environmental monitoring and assessment programs is to characterize the condition of natural resources. When repeated through time, ecological assessments (EA) ...
|
|
|
COPPER CORROSION AND SOLUBILITY RESEARCH |
|
This poster provides a very cursory summary of TTEB in-house copper research experimental systems, and extramural research projects. The field studies summarized are the Indian Hi...
|
|
|
COPPER CORROSION RESEARCH UPDATE |
|
Copper release and corrosion related issues continue to be important to many water systems. The objective of this presentation is to discuss the current state of copper research at...
|
|
|
COPPER PITTING CORROSION AND PINHOLE LEAKS: A CASE STUDY |
|
Localized corrosion, or "pitting", of copper drinking water pipe continues is a problem for many water utilities and their customers. Extreme attack leads to pinhole leaks that can...
|
|
|
COPPER PITTING CORROSION: A CASE STUDY |
|
Localized or pitting corrosion of copper pipes used in household drinking-water plumbing is a problem for many water utilities and their customers. Extreme attack can lead to pinho...
|
|
|
COPPER RESEARCH UPDATE |
|
This presentation provides an update and overview of new research results and remaining research needs with respect to copper corrosion control issues. The topics to be covered inc...
|
|
|
CORRECTING PHOTOLYSIS RATES ON THE BASIS OF SATELLITE OBSERVED CLOUDS |
|
Clouds can significantly affect photochemical activities in the boundary layer by altering radiation intensity, and therefore their correct specification in the air quality models ...
|
|
|
CORRECTION FOR NONUNIFORM MIXING IN INDOOR MICROENVIRONMENTS |
|
The modelling of the indoor concentration distribution produced by sources and sinks of pollutants is complicated by nonuniform mixing within the indoor settings. wo common approac...
|
|
|
CORRELATION OF BRAIN MAGNETIC RESONANCE IMAGING CHANGES WITH PALLIDAL MANGANESE CONCENTRATIONS IN RHESUS MONKEYS FOLLOWING SUBCHRONIC MANGANESE INHALATION |
|
High-dose manganese exposure is associated with parkinsonism. Because manganese is paramagnetic, its relative distribution within the brain can be examined using magnetic resonance...
|
|
|
CORRELATION OF THE PARTITIONING OF DISSOLVED ORGANIC MATTER FRACTIONS WITH THE DESORPTION OF CD, CU, NI, PB AND ZN FROM 18 DUTCH SOILS |
|
Eighteen Dutch soils were extracted in aqueous solutions at varying pH. Extracts were analyzed for Cd, Cu, Ni, Pb and Zn by ICP-AES. Extract dissolved organic carbon (DOC) was al...
|
|
|
CORROSION CONTROL: IT'S NOT JUST GETTING THE LEAD OUT |
|
This presentation will focus on the three corrosion control strategies applied in New England including: pH adjustment alone, pH adjustment with carbonate alkalinity supplementatio...
|
|
|
COST ESTIMATES OF USING THREE LEAD-BASED PAINT ABATEMENT TECHNOLOGIES ON RESIDENTIAL HOUSING |
|
Elevated blood lead levels in children of the US due to exposure to flaking lead-based paint continues to be an important health concern. Approximately 57M housing units, which rep...
|
|
|
CRITICAL EVALUATION OF DIFFERENTIAL PULSE POLAROGRAPHY FOR DETERMINING CHROMIUM(III) AND CHROMIUM(VI) IN WATER SAMPLES |
|
The Tennessee Valley Authority critically evaluated differential pulse polarography for determining chromium(VI) and chromium(III) in water samples from coal-fired steam-electric g...
|
|
|
CRITICAL HEALTH ISSUES OF CRITERIA AIR POLLUTANTS |
|
This chapter summarizes the key health information on ubiquitous outdoor air pollutants that can cause adverse health effects at current or historical ambient levels in the Unite...
|
|
|
CRYSTAL AND MORPHOLOGICAL PHASE TRANSFORMATION OF LEAD IN THE PRESENCE OF ORTHOPHOSPHATE |
|
The use of phosphates in the drinking water industry is well known. Orthophosphate is used to reduce lead levels at the consumer’s tap by forming a relatively insoluble divalent le...
|
|
|
CURRENT CHALLENGES ON ENDOCRINE DISRUPTORS |
|
For over ten years, major international efforts have been aimed at understanding the mechanism and extent of endocrine disruption in experimental models, wildlife, and people; the ...
|
|
|
CURRENT RESEARCH OF THE ENVIRONMENTAL PROTECTION AGENCY ON AUTOMOTIVE CRITERIA POLLUTANTS |
|
The HERL conducts a variety of investigations of the health effects of air pollutants to serve as criteria for the reevaluation of National Ambient Air Quality Standards. Human cli...
|
|
|
CYTOTOXIC EFFECT OF TRACE METALS ADSORBED ONTO FLY ASH PARTICLES |
|
The report describes the results of an in vitro study designed to determine the effects of fly ash coated with the oxides of lead, nickel or manganese on alveolar macrophages which...
|
|
|
CYTOTOXITY TO ALVEOLAR MACROPHAGES OF METAL OXIDES ADSORBED ON FLY ASH |
|
Fly-ash particles fractionated into three size ranges (<2, 2 to 5, and 5 to 8 micrometers) and coated with various metal oxides were used to determine whether particle size and sur...
|
|
|
Comparing Environmental Influences on Coral Bleaching Across and within Species using Clustered Binomial Regression |
|
Differential susceptibility among reef-building coral species can lead to community shifts and loss of diversity as a result of temperature-induced mass bleaching events. However,...
|
|
|
DATA BASE FOR INFLUENT HEAVY METALS IN PUBLICLY OWNED TREATMENT WORKS |
|
Results are presented of a 2-year study involving the identification and assembly of a data base existing within the Publicly Owned Treatment Works (POTW) of the U.S. on influent h...
|
|
|
DATABASE MANAGEMENT TECHNIQUES TO ENSURE PROJECT INTEGRITY |
|
The Drinking Water Research Division of the Risk Reduction Engineering Laboratory in Cincinnati, Ohio is responsible for conducting field scale research projects on the cost and pe...
|
|
|
DECISION-MAKING, SCIENCE AND GASOLINE ADDITIVES |
|
Methyl-tert butyl ether (MTBE) has been used as a gasoline additive to serve two major purposes. The first use was as an octane-enhancer to replace organic lead, beginning i...
|
|
|
DECLINE AND EXTINCTION OF LAKE TROUT IN THE GREAT LAKES: CAN BIOLOGICAL INDICATORS HELP DIAGNOSE CAUSES, IDENTIFY REMEDIAL ACTIONS, AND PREDICT FUTURE CONDITIONS? |
|
The lake trout, Salvelinus namaycush, is the predominant top predator native fish species of the Great Lakes. Lake trout are valued for commercial and recreational use in addition ...
|
|
|
DECREASING LEAD BIOAVAILABILITY OF MINE WASTES: TWO PHOSPHATE FIELD STUDIES |
|
Findings from two evaluation studies of phosphate-based in situ treatment of soils for reducing lead (Pb) bioavailability at two lead mining and lead refining Superfund sites will ...
|
|
|
DELAMINATION AND XRF ANALYSIS OF NIST LEAD IN PAINT FILM STANDARDS |
|
The objectives of this protocol were to remove the laminate coating from lead paint film standards acquired from NIST by means of surface heating. The average XRF value did not ch...
|
|
|
DEMONSTRATION BULLETIN: BESCORP SOIL WASHING SYSTEM ALASKAN BATTERY ENTERPRISES SITE - BRICE ENVIRONMENTAL SERVICES CORPORATION |
|
The BESCORP Soil Washing System is an aqueous volume reduction system that utilizes trommel agitation, high-pressure washing, sizing, and density separation to remove lead, lead co...
|
|
|
DEMONSTRATION BULLETIN: COGNIS TERRAMET LEAD EXTRACTION PROCESS - TWIN CITIES ARMY AMMUNITION PLANT - COGNIS, INC. |
|
The TERRAMET® soil remediation system leaches and recovers lead (including metallic lead, and lead salts and oxides), and other metals from contaminated soil, sludge, or sediment. ...
|
|
|
DEMONSTRATION BULLETIN: MOLECULAR BONDING SYSTEM FOR HEAVY METALS STABILIZATION - SOLUCORP INDUSTRIES LTD. |
|
This document presents an evaluation of the Molecular Bonding System (MBS) and its ability to chemically stabilize three metals-contaminated wstes/soils during a SITe demo. The MBS...
|
|
|
DEMONSTRATION OF WASTE TREATMENT TECHNOLOGIES |
|
The need for long-term, permanent treatment schemes as alternatives to land disposal has been highlighted by legislation such as the Hazardous and Solid Waste Amendments of the Res...
|
|
|
DERMAL, ORAL AND INHALATION PHARMACOKINETICS OF METHYL TERTIARY-BUTYL ETHER (MTBE) IN HUMAN VOLUNTEERS |
|
Methyl tertiary butyl ether (MTBE), a gasoline additive used to increase octane and reduce carbon monoxide emissions and ozone precursors, has contaminated drinking water and c...
|
|
|
DESCRIPTION OF EPA SITE DEMONSTRATION OF THE HAZCON STABILIZATION PROCESS AT THE DOUGLASSVILLE, PENNSLYVANIA SUPERFUND SITE |
|
One technology field tested under the SITE research program was the HAZCON stabilization process. his process treats the waste by mixing it with portland cement, water (if needed) ...
|
|
|
DESIGNING ENVIRONMENTALLY FRIENDLY CHEMICAL PROCESSES |
|
The design of a chemical process involves many aspects: from profitability, flexibility and reliability to safety to the environment. While each of these is important, in this work...
|
|
|
DETECTION OF CYCLOSPORA CAYETANESIS USING A QUANTITATIVE REAL-TIME PCR ASSAY |
|
Cyclosporal cayetanensis, a coccidian parasite of humans, has been recognized worldwide as an emerging pathogen in both immunocompromised (Ortega et al.1993) and immunocompetent in...
|
|
|
DETERMINANTS OF RESIDENTIAL LEAD EXPOSURE |
|
The phase-out of leaded gasoline, and the accompanying decrease in lead emissions, resulted in a dramatic decline in mean blood lead levels from the late 1970s through the early ...
|
|
|
DETERMINANTS OF TEMPORAL VARIABILITY IN NHEXAS-MARYLAND ENVIRONMENTAL CONCENTRATIONS, EXPOSURES, AND BIOMARKERS |
|
The longitudinal NHEXAS-Maryland study measured metals, PAHs, and pesticides in several media to capture temporal variability. Questionnaires were concurrently administered to ide...
|
|
|
DETERMINATION OF 1,2-DIOLS BY INDIRECT ATOMIC ABSORPTION WITH DIGESTED LEAD PERIODATE |
|
Techniques are described for the determination of 1,2-Diols by indirect atomic absorption with digested lead periodate. Preliminary experiments indicate that styrene glycol can be ...
|
|
|
DETERMINATION OF BACKGROUND LEVELS OF LEAD AND CADMIUM IN RAW AGRICULTURAL CROPS BY USING DIFFERENTIAL PULSE ANODIC STRIPPING VOLTAMMETRY |
|
A method is described for the simultaneous determination of ultratrace levels of lead and cadmium in selected agricultural crop samples by differential pulse anodic stripping volta...
|
|
|
DETERMINATION OF HEAVY METALS AND PESTICIDES IN GINSENG PRODUCTS |
|
Medicinal plants may carry residuals of environmentally persistent pesticides or assimilate heavy metals in varying degrees. Several factors may influence contaminant accumulation...
|
|
|
DETERMINATION OF LEAD AND CADMIUM IN FISH AND CLAM TISSUE BY ATOMIC ABSORPTION SPECTROMETRY WITH A MOLYBDENUM AND LANTHANUM TREATED PYROLYTIC GRAPHITE ATOMIZER |
|
A molybdenum and lanthanum treated pyrolytically coated graphite tube is employed for the furnace atomic absorption spectrometric determination of lead and cadmium directly in nitr...
|
|
|
DETERMINATION OF METALS IN COMPOSITE DIET SAMPLES BY ICP-MS |
|
In order to assess an individual's total exposure to contaminants in the environment, it is essential that the contribution of dietary exposure be quantified. As a result, USEPA's...
|
|
|
DETERMINATION OF PERCHLORATE BY ION CHROMATOGRAPHY, SUPPRESSED CONDUCTIVITY AND MASS SPECTROMETRIC DETECTION USING AN OXYGEN-18 ENRICHED ISOTROPIC INTERNAL STANDARD |
|
Perchlorate (ClO4 -) is a drinking water contaminant originating from the dissolution of the salts of ammonium, potassium, magnesium, or sodium in water. It is used primarily as...
|
|
|
DETERMINATION OF TRACE METALS IN EFFLUENTS BY DIFFERENTIAL PULSE ANODIC STRIPPING VOLTAMETRY |
|
Differential pulse anodic stripping voltametry (DPASV) was evaluated to determine its applicability to industrial and domestic effluents. The results show that trace amounts of zin...
|
|
|
DETERMINATION OF ZINC, CADMIUM, LEAD, AND COPPER IN WATER BY ANODIC STRIPPING VOLTAMMETRY |
|
The Tennessee Valley Authority developed a method of differential pulse anodic stripping voltammetry for determining total concentrations of cadmium and lead in water samples from ...
|
|
|
DETERMINING DISSOLVED HEXAVALENT CHROMIUM IN WATER AND WASTEWATER BY ELECTROTHERMAL ATOMIZATION |
|
A procedure is described for separating dissolved hexavalent chromium (Cr(+6)) from trivalent chromium (Cr(+3)) and the water sample matrix by coprecipitation of lead chromate with...
|
|
|
DETERMINING SPECIATION OF PB IN PHOSPHATE AMENDED SOILS: METHOD LIMITATIONS |
|
Determining the effectiveness of in-situ immobilization for P-amended, Pb-contaminated soils has typically relied on non-spectroscopic methods that in recent years have come under ...
|
|
|
DETERMINING THE ECONOMIC VALUE OF IMPROVED HUMAN EXPOSURE DATA |
|
The U.S. EPA develops and revises environmental regulations and policies to protect the environment and human health. One of the key components of the regulatory process is esta...
|
|
|
DEVELOPING AND IMPLEMENTING A LEAD DUST MONITORING, OUTREACH AND EDUCATION PROGRAM IN YOUR COMMUNITY/SYRACUSE LEAD DUST PROJECT |
|
EPA has developed a technology transfer document (case-study) for the EMPACT Syracuse Lead Dust Project. The Lead Dust Project is designed to measure the lead dust content in homes...
|
|
|
DEVELOPMENT AND APPLICATION OF PLANNING PROCESS TO ACHIEVE SUSTAINABILITY |
|
Concepts of sustainability are numerous, widely discussed, and necessary, but sustainability needs to be applied to development projects to succeed. However, few applications are ...
|
|
|
DEVELOPMENT AND AVAILABILITY OF EQUILIBRIUM PARTITIONING SEDIMENT GUIDELINES (ESGS) FOR NONIONIC ORGANIC CONTAMINANTS, METALS MIXTURES, AND POLYCYCLIC AROMATIC HYDROCARBON (PAH) MIXTURES |
|
Collaborative efforts between EPA's Office of Water and Office of Research and Development have resulted in the development of sediment guidelines based on equilibrium partitioning...
|
|
|
DEVELOPMENT AND DEMONSTRATION OF A PILOT-SCALE DEBRIS WASHING SYSTEM |
|
Metallic, masonry, and other solid debris that may be contaminated with hazardous chemicals litter numerous hazardous waste sites in the United States. olychlorinated biphenyls (PC...
|
|
|
DEVELOPMENT AND EVALUATION OF COMPOSITE RECEPTOR METHODS |
|
A composite receptor method for PM-10 apportionment was evaluated to determine the stability of its solutions and to devise cost-effective measurement strategies. Aerosol samples u...
|
|
|
DEVELOPMENT AND EVALUATION OF IN VITRO IMAGING TECHNIQUES USED TO SCREEN AGENTS THAT AFFECT NEURONAL DIFFERENTIATION. |
|
Testing chemicals for potential developmental neurotoxicity is an issue of regulatory concern. Developmental vulnerability is determined by pharmacokinetic and pharmacodynamic diff...
|
|
|
DEVELOPMENT OF A FIELD TEST METHOD FOR THE DETERMINATION OF LEAD IN PAINT, AND PAINT-CONTAMINATED DUST AND SOIL |
|
A rapid, simple, inexpensive, and relatively accurate field test method for the determination of lead (Pb) in paints, dusts, and soils has been developed. The method involves the u...
|
|
|
DEVELOPMENT OF A STREAM BENTHIC MACROINVERTEBRATE INTEGRITY INDEX (SBMII) FOR WADEABLE STREAMS IN THE MID-ATLANTIC HIGHLANDS REGION |
|
The Stream Benthic Macroinvertebrate Integrity Index (SBMII), a multimetric biotic index for assessing biological conditions of wadeable streams, was developed using seven macroinv...
|
|
|
DEVELOPMENT OF A TOXICITY INDENTIFICATION EVALUATION (TIE) PROCEDURE FOR CHARACTERIZING METAL TOXICITY IN MARINE SEDIMENTS |
|
multiagency effort is underway to develop whole sediment toxicity identification evaluation (TIE) methods. Whole sediment TIE methods will be critical tools for characterizing tox...
|
|
|
DEVELOPMENT OF A TOXICITY INDENTIFICATION EVALUATION (TIE) PROCEDURE FOR CHARACTERIZING METAL TOXICITY IN MARINE SEDIMENTS |
|
A multi-Agency effort is underway to develop whole sediment Toxicity Identification Evaluation (TIE) methods. Whole sediment TIE methods will be critical tools for characterizing t...
|
|
|
DEVELOPMENT OF ADME DATA IN AGRICULTURAL CHEMICAL SAFETY ASSESSMENTS |
|
DEVELOPMENT OF ADME DATA IN AGRICULTURAL CHEMICAL SAFETY ASSESSMENTS
Pastoor, Timothy1, Barton, Hugh2
1 Syngenta Crop Protection, Greensboro, NC, USA.
2 EPA, Office of...
|
|
|
DEVELOPMENT OF AN ETD SURVEILLANCE CHECKLIST FOR MONITORING EPA RESEARCH ACTIVITIES |
|
DEVELOPMENT OF AN ETD SURVEILLANCE CHECKLIST FOR MONITORING EPA RESEARCH ACTIVITIES, Thomas J. Hughes, National Health and Environmental Effects Research Laboratory (NHEERL), ORD, ...
|
|
|
DEVELOPMENT OF LAND DISPOSAL DECISIONS FOR METALS USING MINTEQ SENSITIVITY ANALYSES |
|
Procedures were developed for estimating the impacts of metal speciation reactions on the potential transport of metals through groundwater to a measurement point directly down gra...
|
|
|
DEVELOPMENT OF METHODS AND ANALYSIS OF PARTICULATE SAMPLER DATA FROM RAPS (REGIONAL AIR POLLUTION STUDY) |
|
Methods were formulated, tested and demonstrated to statistically analyze and graphically process analytical data derived from dichotomous particulate samplers operating at ten Reg...
|
|
|
DEVELOPMENT OF NITROGEN LOADING-RESPONSE RELATIONSHIPS FOR ESTUARINE WATERS USING AN EMPIRICAL COMPARATIVE SYSTEMS APPROACH |
|
There is growing evidence that human activities have dramatically changed the amounts, distribution, and movement of major nutrient elements (nitrogen-N and phosphorus-P) in the la...
|
|
|
DEVELOPMENT OF NON-INVASIVE BIOMONITORING APPROACHES TO DETERMINE DOSIMETRY AND RISK FOLLOWING ACUTE CHEMICAL EXPOSURE: ANALYSIS OF LEAD AND ORGANOPHOSPHATE INSECTICIDE IN SALIVA. (R828608) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
DEVELOPMENT OF SCALING CRITERIA FOR TERRESTRIAL MICROCOSMS |
|
Theoretical developments based on heat and moisture transfer in soil lead to dimensionless numbers that describe important processes taking place in a terrestrial microcosm. These ...
|
|
|
DEVELOPMENT OF SPLIT-OPERATOR, PETROV-GALERKIN METHODS TO STIMULATE TRANSPORT AND DIFFUSION PROBLEMS |
|
The rate at which contaminants in groundwater undergo sorption and desorption is routinely described using diffusion models. uch approaches, when incorporated into transport models...
|
|
|
DEVELOPMENT OF TOXICITY REFERENCE VALUES FOR ECOLOGICAL SOIL SCREENING LEVELS (ECO-SSLS) FOR TERRESTRIAL WILDLIFE |
|
Ecological Soil Screening Levels (Eco-SSLs) protective of terrestrial wildlife were developed by the USEPA Superfund. The wildlife Eco-SSL is the soil contaminant concentration whe...
|
|
|
DEVELOPMENTAL EXPOSURE TO LEAD OR POLYCHLORINATED BIPHENYLS IMPAIRS SYNAPTIC TRANSMISSION AND PLASTICITY IN THE RODENT CNS |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
DEVELOPMENTAL LEAD (PB) CHANGES AND IN HIPPOCAMPAL FUNCTION. |
|
Childhood lead (Pb) exposure has long been associated with reduced IQ, impaired cognitive function, and more recently increases in violence and aggression. We have studied the dis...
|
|
|
DEVELOPMENTAL LEAD (PB) EXPOSURE FAILS TO DISRUPT SPATIAL LEARNING IN THE MORRIS WATER MAZE |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
DEVELOPMENTAL LEAD EXPOSURE: A NEUROCHEMICAL AND IMMUNOHISTOCHEMICAL EVALUATION OF THE DOPAMINERGIC AND SEROTONERGIC SYSTEMS IN RATS. |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
DEVELOPMENTAL TOXICITY OF PFOS AND PFOA |
|
Perfluoroalkyl acids (PFAA) are fully-fluorinated organic chemicals with a carbon backbone (typically varying from C-4 to C-14) and a functional group (usually carboxylic acid or s...
|
|
|
DIESEL EXHAUST EXPOSURE IN CONJUNCTION WITH PERIODIC ALLERGEN CHALLENGE DOES NOT LEAD TO ALLERGIC SENSITIZATION. (R826442) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
DIESEL EXHAUST RESEARCH: WHAT HAS IT TOLD US ABOUT AMBIENT ORGANIC PM TOXICITY. |
|
Diesel exhaust is a complex mixture of components which includes organic gaseous and particulate material. Sources of the exhaust are derived from both on road and off road engine...
|
|
|
DIETARY CHARACTERIZATIONS IN A STUDY OF HUMAN EXPOSURES IN THE LOWER RIO GRANDE VALLEY: I. FOODS AND BEVERAGES |
|
The Lower Rio Grande Valley Environmental Study (LRGVES), a cooperative effort between various federal and state agencies, responded to concerns of the local community about possib...
|
|
|
DIETARY EXPOSURE OF CHILDREN IN LEAD-LADEN ENVIRONMENTS |
|
Children are the most susceptible population to lead exposure because of three interacting factors; they have more opportunity for contact with lead sources due to their activities...
|
|
|
DIETARY EXPOSURE OF CHILDREN LIVING IN LEAD-LADEN ENVIRONMENTS |
|
Children are the most susceptible population to lead exposure because of three interacting factors: they have more opportunity for contact with lead sources due to their activities...
|
|
|
DIETARY EXPOSURE OF CHILDREN TO LEAD |
|
Children are the most susceptible population to lead exposure because 1) they have more opportunity for contact with lead sources due to their activities, 2) lead adsorption occurs...
|
|
|
DIOXIN EXPOSURE INITIATIVE PUBLICATIONS |
|
Following is a listing of published articles that have come out of EPA's |
|
DIRECT DETERMINATION OF ARSENITE BY DIFFERENTIAL PULSE POLAROGRAPHY IN THE PRESENCE OF LEAD(II) AND THALLIUM(I) |
|
Interference from Pb(II) and T1(I) in the differential pulse polarographic determination of arsenite is eliminated by chromatography on a chelating ion exchange resin. Strong ligan...
|
|
|
DIRECT OBSERVATION OF NEIGHBORHOOD ATTRIBUTES IN AN URBAN AREA OF THE US SOUTH: CHARACTERIZING THE SOCIAL CONTEXT OF PREGNANCY |
|
BACKGROUND: Neighborhood characteristics have been associated with poor maternal and child health outcomes, yet conceptualization of potential mechanisms is still needed. Census da...
|
|
|
DISINFECTION BYPRODUCT (DBP) CHEMISRY: FORMATION AND DETERMINATION |
|
This chapter addresses some of the major issues in DBP formation chemistry, but focuses mostly on EPA-sponsored or in-house research. In addition to studies that attempt to qualit...
|
|
|
DISPERSION OF POLLUTANTS NEAR HIGHWAYS - EXPERIMENTAL DESIGN AND DATA ACQUISITION PROCEDURES |
|
The major emphasis of this investigation centered on the collection of particulate and gaseous pollutant data, and detailed micrometeorological data in a non-urban setting adjacent...
|
|
|
DISPOSITION OF BDE 47 IN DEVELOPING MICE |
|
Despite its minor contribution to global PBDE production and usage, 2,2',4,4'tetrabromodiphenyl ether (BDE 47) is the dominant congener found in most biotic samples in North Americ...
|
|
|
DISTRIBUTION SYSTEM CONSIDERATIONS FOR TREATMENT |
|
EPA and other research has shown that drinking water distribution systems are active reactors, which can accumulate, release, or transform contaminants during passage from the trea...
|
|
|
DISTRIBUTION SYSTEMS AS CONTAMINATION RESERVOIRS: IS A NEW PARADIGM NEEDED FOR TREATMENT AND MONITORING? |
|
This presentation provides a review of numerous drinking water and geochemical investigations and recent studies of pipe deposits and water treatment materials. This analysis show...
|
|
|
DISTRIBUTION SYSTEMS AS RESERVOIRS AND REACTORS FOR INORGANIC CONTAMINANTS |
|
This paper provides a review of numerous drinking water and geochemical investigations and recent studies of pipe deposits and water treatment materials. This analysis shows that t...
|
|
|
DNA ADDUCTS IN RAT LUNG, LIVER, AND PERIPHERAL BLOOD LYMPHOCYTES PRODUCED BY I.P. ADMINISTRATION OF BENZO(A)PYRENE METABOLITES AND DERIVATIVES |
|
DNA adducts produced in vivo in rat lung, liver, and peripheral blood lymphocytes following the i.p. administration of several synthetic benzo[a],pyrene (B[a]P) metabolites and rin...
|
|
|
DNA BASED MOLECULAR METHODS FOR BACTERIAL SOURCE TRACKING IN WATERSHEDS |
|
Point and non-point pollution sources of fecal pollution on a watershed adversely impact the quality of drinking source waters and recreational waters. States are required to de...
|
|
|
DNA DAMAGE REPAIR AND CELL CYCLE CONTROL: A NATURAL BIO-DEFENSE MECHANISM |
|
DNA DAMAGE REPAIR AND CELL CYCLE CONTROL: A natural bio-defense mechanism
Anuradha Mudipalli.
Maintenance of genetic information, including the correct sequence of nucleo...
|
|
|
DO BEHAVIORAL RESPONSES TO PESTICIDE EXPOSURE AFFECT WILDLIFE POPULATION PARAMETERS? |
|
Avian behavioral responses to exposure to agricultural pesticides are reviewed in relation to ultimate effects on survival and reproduction. Pesticide-induced changes in foraging b...
|
|
|
DO CHILDREN BENEFIT FROM INCREASING CIGARETTE TAXES? ACCOUNTING FOR THE ENDOGENEITY OF LUNG HEALTH AND ENVIRONMENTAL TOBACCO SMOKE EXPOSURE |
|
My research investigates the relationship between environmental tobacco smoke (ETS) exposure and lung function in children. I use detailed individual health data from the Third Nat...
|
|
|
DOCUMENTATION OF EMSL-LV (ENVIRONMENTAL MONITORING SYSTEMS LABORATORY-LAS VEGAS) CONTRIBUTION TO DALLAS LEAD STUDY |
|
During the summer of 1982 the U.S. Environmental Protection Agency (EPA), conducted a comprehensive multimedia environmental monitoring program in the vicinity of two secondary lea...
|
|
|
DOES ANTHROPOGENIC ACTIVITIES OR NATURE DOMINATE THE SHAPING OF THE LANDSCAPE IN THE OREGON PILOT STUDY AREA FOR 1990-1999? |
|
Climatic variation and human activities are major factors resulting in land degradation in arid and semi-arid lands. In the Mediterranean region and over history, climatic drying w...
|
|
|
DOES ANTHROPOGENIC ACTIVITIES OR NATURE DOMINATE THE SHAPING OF THE LANDSCDAPE IN THE OREGON PILOT STUDY AREA FOR 1990-1999? |
|
Climatic variation and human activities are major factors resulting in land degradation in arid and semi-arid lands. In the Mediterranean region and over history, climatic drying w...
|
|
|
DOES CHRONIC OZONE EXPOSURE LEAD TO LUNG DISEASE? |
|
The potential role of ozone in the induction of chronic lung diseases remains unclear. sing an ambient profile adopted from aerometric data from the Southwest Air Basin, rats were ...
|
|
|
DOSE DEPENDENT DISPOSITION OF SODIUM ARSENATE IN MICE FOLLOWING ACUTE ORAL EXPOSURE |
|
The effect of dose on arsenate disposition was studied in adult female B6C3F, mice, dosed po with 0.5 to 5000 ug/kg [73As]-arsenate in water. rine was collected at 1, 2, 4, 8, 12, ...
|
|
|
DOSIMETRY OF LOCALIZED ACCUMULATIONS OF CIGARETTE SMOKE AND RADON PROGENY AT BIFURCATIONS |
|
Inhalation risk assessment protocols are frequently based upon assumptions of uniform particle deposition patterns and homogenous clearance processes within human lung airways. owe...
|
|
|
DRILLING MUD ASSESSMENT CHEMICAL ANALYSIS REFERENCE VOLUME |
|
This report presents concentrations of specific metals and hydrocarbons in eleven drilling fluids (muds) taken from operating gas and oil rigs in the Gulf of Mexico. Each drilling ...
|
|
|
DRY FLUE GAS CLEANING PROCESSES FOR ACHIEVING AIR POLLUTANT EMISSIONS REQUIREMENTS |
|
The paper discusses both municipal waste combustor (MWC) rules and basic dry flue gas cleaning (FCC) processes, and compares the performance of the latter using field test data. Me...
|
|
|
DWRD'S RESEARCH ACTIVITIES IN SUPPORT OF EPA'S REGULATORY AGENDA |
|
The Safe Drinking Water Act and its Amendments will have a dramatic impact on the way in which we view the treatment and distribution of water in the U.S. his paper discusses the r...
|
|
|
DYNAMIC CONDUCTIVITY MEASUREMENTS IN HUMIC AND FULVIC ACID SOLUTIONS. (R828158) |
|
Conductivity changes of dilute aqueous humic and fulvic acids solutions were monitored after the addition of small quantities of Cu, Cd, Pb, and Zn. The solutions were stirred a...
|
|
|
DYNAPHORE, INC. FORAGER SPONGE TECHNOLOGY - INNOVATIVE TECHNOLOGY EVALUATION REPORT |
|
The Forager Sponge is an open-celled cellulose sponge incorporating an amine-containing chelating polymer that selectively absorbs dissolved heavy metals from aqueous waste stream...
|
|
|
DYNAPHORE, INC., FORAGER SPONGE TECHNOLOGY - INNOVATIVE TECHNOLOGY EVALUATION REPORT |
|
The Forager Sponge is a volume reduction technology in which heavy metal contaminants from an aqueous medium are selectively concentrated into a smaller volume for facilitated disp...
|
|
|
Denitrification Potential, Root Biomass and Organic Matter in Degraded and Restored Urban Riparian Zones |
|
Hydrologic changes associated with urbanization often lead to lower water tables and drier, more aerobic soils in riparian zones. These changes
reduce the potential for denitrifi...
|
|
|
Developmental neurotoxicity testing: Past, present and future. |
|
Adverse effects on the nervous system following exposure to environmental contaminants during development have been well documented. Indeed, in a number of cases (e.g., lead, meth...
|
|
|
Discovery of Unforeseen Lead Level Optimization Issues for High pH and Low DIC Conditions |
|
A large northeast water utility serving over 500,000 retail and wholesale customers had historically been slightly below the 90th percentile Action Level for lead. The system had
...
|
|
|
Documenting taxonomic data quality for field fish identifications: a proposal for national surveys |
|
The U.S. Environmental Protection Agency is in the midst of a multiyear series of natinal surveys of water resource conditions. Because communicating ecological condition is the pr...
|
|
|
EARLY INDICATORS OF NITRATE STRESS; EFFECTS TO ECOSYSTEMS OF CHRONIC EXPOSURE TO LOW DOSES OF BIOAVAILABE NITROGEN |
|
Throughout the eastern United States, from the Front Range of the Rocky Mountains to the Atlantic Ocean, bioavailable nitrogen has been falling in the rain since the industrial rev...
|
|
|
EARLY INDICATORS OF NITRATE STRESS; EFFECTS TO ECOSYSTEMS OF CHRONIC EXPOSURE TO LOW DOSES OF BIOAVAILABLE NITROGEN |
|
Throughout the eastern United States, from the Front Range of the Rocky Mountains to the Atlantic Ocean, bioavailable nitrogen has been falling in the rain since the industrial rev...
|
|
|
EARLY LEAD (PB) EXPOSURE: THE EMERGING COGNITIVE PROFILE. (U915393) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
EARLY WARNING IN DRINKING WATER INTAKE PROTECTION: CORRELATING CHEMICAL DATA AND BIOLOGICAL WARNING SYSTEMS |
|
The WRK Water Works is responsible for the abstraction and partial purifcation of surface water for the drinking water production of some 2m people in the Netherlands. Two water wi...
|
|
|
ECOLOGICAL ENDPOINT MODELING: EFFECTS OF SEDIMENT ON FISH POPULATIONS |
|
Sediment is one of the main stressors of concern for TMDLs (Total Maximum Daily Loads) for streams, and often it is a concern because of its impact on biological endpoints. The Na...
|
|
|
ECONOMICS OF SAMPLE COMPOSITING AS A SCREENING TOOL IN GROUND WATER QUALITY MONITORING |
|
Recent advances in high throughput/automated compositing with robotics/field-screening methods offer seldom-tapped opportunities for achieving cost-reduction in ground water qualit...
|
|
|
ECOREGIONAL INFLUENCES ON WATERSHED LAND COVER, WATER QUALITY, AND IN-STREAM BIOLOGY |
|
Omernik's ecoregions were developed to serve as a spatial framework for environmental monitoring and research. We examined the biology and chemistry in 35 headwater streams in the...
|
|
|
ECOSYSTEM RESTORATION TO RESTORE WATER QUALITY; AN UNREALIZED OPPORTUNITY FOR PRACTITIONERS AND RESEARCHERS |
|
Restoration of ecosystems is increasingly proposed as a strategy for improving water quality. Although this approach makes intuitive sense, practitioners have received little guida...
|
|
|
EFFECT OF AGE ON TISSUE DISTRIBUTION OF BDE 47 IN MICE |
|
Despite its minor contribution to global polybrominated diphenyl ether production and usage, 2,2',4,4'tetrabromodiphenyl ether (BDE 47) is the dominant congener found in most bioti...
|
|
|
EFFECT OF AIR-POLLUTION CONTROL ON DEATH RATES IN DUBLIN, IRELAND: AN INTERVENTION STUDY. (R827353C006) |
|
Background Particulate air pollution episodes have been associated with increased daily death. However, there is little direct evidence that diminished particul...
|
|
|
EFFECT OF ANAEROBIOSIS ON FILTER MEDIA POLLUTANT RETENTION |
|
One of the primary problems with downflow filtration of stormwater runoff is the clogging of the filter prior to the medium's exhaustion of its chemical capacity. Upflow filtration...
|
|
|
EFFECT OF ARSENICALS ON ULTRAVIOLET-RADIATION-INDUCED GROWTH ARREST AND RELATED SIGNALING EVENTS IN HUMAN KERATINOCYTES |
|
The molecular mechanisms mediating arsenic-induced carcinogenesis are not well understood. The role of confounding factors such as ultraviolet radiation (UV), add another level of ...
|
|
|
EFFECT OF LEAD ON GAMMA AMINO BUTYRIC ACID SYNTHESIS |
|
The project studies the inhibitory effect of lead on the enzymatic activity of brain glutamic amino acid decarboxylase (GADC). The enzyme is responsible for the catalytic formation...
|
|
|
EFFECT OF LOW-LEVEL LEAD EXPOSURE ON PEDIATRIC NEUROBEHAVIORAL AND PHYSICAL DEVELOPMENT: CURRENT FINDINGS AND FUTURE DIRECTIONS |
|
Studies of the relationship between lead exposure and the physical and neurobehavioral development of children constitute an important part of the scientific foundation for regulat...
|
|
|
EFFECT OF PH, DIC, ORTHOPHOSPHATE AND SULFATE ON DRINKING WATER CUPROSOLVENCY |
|
Field data from various copper monitoring studies and Lead and Copper Rule compliance data are often inappropriate and misleading for reliably determining fundamental chemical rela...
|
|
|
EFFECT OF PH, DIC, ORTHOPHOSPHATE AND SULFATE ON DRINKING WATER CUPROSOLVENCY |
|
Field data from various copper monitoring studies and Lead and Copper Rule compliance data are often inappropriate and misleading for reliably determining fundamental chemical rela...
|
|
|
EFFECT OF PH, DIC, ORTHOPHOSPHATE AND SULFATE ON DRINKING WATER CUPROSOLVENCY (EPA/600/R-95/085) |
|
Field data from various copper monitoring studies and Lead and Copper Rule compliance data are often
inappropriate and misleading for reliably determining fundamental chemical rela...
|
|
|
EFFECT OF PHOSPHORUS TREATMENT ON LEAD MINERALOGY |
|
Remediation of Pb-contaminated soils by amendments of phosphate may prove to be a viable way of sequestering Pb in the natural environment. Test plots of Pb-contaminated soil near ...
|
|
|
EFFECT OF SOIL PB INACTIVATION TREATMENTS ON BIOAVAILABILITY OF JOPLIN, MO, SMELTER CONTAMINATED SOIL PB TO RATS |
|
The effects of treating contaminated soils with various soil amendments on the bioavailability of lead were assessed in the weanling rat model. The effect of treatment was assessed...
|
|
|
EFFECT OF SOIL PROPERTIES ON LEAD BIOAVAILABILITY AND TOXCITY TO EARTHWORMS |
|
Soil properties are important factors modifying metal bioavailability to ecological receptors. Twenty-one soils with a wide range of soil properties were amended with a single con...
|
|
|
EFFECT OF SOOT, TEMPERATURE AND RESIDENCE TIME ON PCDD/F FORMATION |
|
Polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) are formed during thermal processes in the presence of fly ash that acts as an oxidation catalys...
|
|
|
EFFECT OF TEMPERATURE AND PORE SIZE ON THE HYDRAULIC PROPERTIES AND FLOW OF A HYDROCARBON OIL IN THE SUBSURFACE |
|
Capillary pressure relationships in a porous medium determine the distribution of immiscible fluids under static conditions and can largely influence the movement of the fluids whe...
|
|
|
EFFECT OF VAPOR-PHASE BIOREACTOR OPERATION ON BIOMASS ACCUMULATION, DISTRIBUTION, AND ACTIVITY. (R826168) |
|
Excess biomass accumulation and activity loss in vapor-phase bioreactors (VPBs) can lead to unreliable long-term operation. In this study, temporal and spatial variations in biomas...
|
|
|
EFFECT OF WATER POLLUTANTS AND OTHER CHEMICALS UPON RIBONUCLEASE ACTIVITY IN VITRO |
|
Ribonuclease was treated in vitro with 73 chemicals, many of which are environmental pollutants, including inorganic, organic, and metal-organic chemicals, pesticides, and other bi...
|
|
|
EFFECTS OF A COASTAL GOLF COMPLEX ON WATER QUALITY, PERIPHYTON, AND SEAGRASS. |
|
The objective of this study was to determine the effects of a golf course complex on water quality, colonized periphyton and seagrass meadows in adjacent freshwater, near-coastal a...
|
|
|
EFFECTS OF ACID PRECIPITATION ON MICROBIOLOGICAL AND CHEMICAL PARAMETERS IN SOILS: THE FLORIDA EXPERIENCE |
|
The effects of acid precipitation on microbiological and chemical parameters in soils were investigated under field conditions. The study site consisted of three transects, each in...
|
|
|
EFFECTS OF AGE AND BODY LEAD BURDEN ON CNS FUNCTION IN YOUNG CHILDREN. I. SLOW CORTICAL POTENTIALS |
|
The effects of body Pb burden on slow cortical potentials were studied in 63 children aged 13-75 months. Slow wave (SW) voltage during sensory conditioning varied as a linear funct...
|
|
|
EFFECTS OF AGE AND BODY LEAD BURDEN ON CNS FUNCTION IN YOUNG CHILDREN. II. EEG SPECTRA |
|
This study explored the effects of age and PbB upon EEG power spectra and various measures of hemispheric laterality in children, aged 13-75 months, watching a display(cartoon)....
|
|
|
EFFECTS OF AGING AND PH ON DISSOLUTION KINETICS AND STABILITY OF CHLOROPYROMORPHITE |
|
The objectives of this research were to understand the effect of aging time on chloropyromorphite stability by dissolution, to examine physical and chemical alternations of the pyr...
|
|
|
EFFECTS OF AGRICULTURE ON STREAM FAUNA IN CENTRAL INDIANA |
|
From 1978 through 1980 the benthic macroinvertebrate and fish communities of three steam systems in Central Indiana were examined. The objective of this study was to describe the o...
|
|
|
EFFECTS OF CHLORPYRIFOS ON THE DIET AND GROWTH OF LARVAL FATHEAD MINNOWS, PIMEPHALES PROMELAS, IN LITTORAL ENCLOSURES |
|
A series of 12 littoral enclosures constructed within a 2 ha. mesotrophic pond near Duluth, Minnesota were used to determine if sublethal concentrations of the insecticide chlorpyr...
|
|
|
EFFECTS OF DIESEL PARTICLE FREE RADICALS AND ORGANICS ON CYTOTOXICITY AND CELL SIGNALING |
|
Diesel exhaust particles (DEPs) have been reported to induce inflammatory lung diseases, although the major contributing components in DEPs and the mechanisms remain to be understo...
|
|
|
EFFECTS OF DIETARY COPPER, ZINC, LEAD, CADMIUM, AND ARSENIC ON GROWTH AND SURVIVAL OF JUVENILE FISH USING LIVE FOOD ORGANISMS |
|
Except for certain organometallic compounds, dietary exposures of aquatic organisms to metal/metalloids have received little regulatory attention. However, various studies have sug...
|
|
|
EFFECTS OF ELF (EXTREMELY LOW FREQUENCY) FIELDS ON CALCIUM-ION EFFLUX FROM BRAIN TISSUE IN VITRO |
|
It has been previously demonstrated that carrier waves of 50 and 147 MHz, when sinusoidally amplitude modulated at 16 Hz (ELF), can cause enhanced efflux of radiolabeled calcium io...
|
|
|
EFFECTS OF ENVIRONMENTAL CONTAMINANTS ON CELL MEDIATED IMMUNITY |
|
The effect of lead and cadmium on cell-mediated immunity was studied in peritoneal macrophages, B-, and T-lymphocytes of mice. Lead and cadmium were administered in drinking water ...
|
|
|
EFFECTS OF EXPOSURE TO HEAVY METALS ON SELECTED FRESHWATER FISH. (TOXICITY OF COPPER, CADMIUM, CHROMIUM AND LEAD TO EGGS AND FRY OF SEVEN FISH SPECIES.) |
|
Embryo and larvae of rainbow trout, lake trout, channel catfish, bluegill, white sucker, northern pike, and walleye were exposed for 60 days after hatch to lead and chromium in sof...
|
|
|
EFFECTS OF HABITAT LOSS ON POPULATIONS OF WHITE-FOOTED MICE: MATRIX MODEL PREDICTIONS WITH LANDSCAPE-SCALE PERTURBATION EXPERIMENTS |
|
Habitat loss is the leading cause of decline in wildlife diversity and abundance throughout the world, and understanding its impacts on animal populations is a critical challenge f...
|
|
|
EFFECTS OF HEAVY METALS IN SEDIMENTS OF THE MACROINVERTEBRATE COMMUNITY IN THE SHORT CREEK/EMPIRE LAKE AQUATIC SYSTEM, CHEROKEE COUNTY, KANSAS: A RECOMMENDATION FOR SITE-SPECIFIC CRITERIA. |
|
The study uses statistical analysis techniques to determine the effects of four heavy metals (cadmium, lead, manganese, and zinc) on the macroinvertebrate community using the data ...
|
|
|
EFFECTS OF HEAVY METALS ON THE DIFFERENTIATION OF METABOLIC PATHWAYS IN THE CNS |
|
The effects of lead and organotin on brain and spinal cord, liver or kidney in the developing or adult Sprague-Dawley and Wistar rat strains were investigated. Two concentrations o...
|
|
|
EFFECTS OF HYDROLOGY ON NITROGEN PROCESSING IN A RESTORED URBAN STREAM |
|
In 2001, EPA undertook an intensive research effort to evaluate the impact of stream restoration on water quality at a degraded stream in an urban watershed. An essential piece of...
|
|
|
EFFECTS OF INORGANIC LEAD IN VITRO ON ION EXCHANGES AND RESPIRATORY METABOLISM OF RAT KIDNEY CORTEX |
|
The effects of Pb2+ added in vitro to tissue slices, isolated tubules and isolated mitochondria of rat kidney cortex have been studied. Slices were depleted of K+ and loaded with N...
|
|
|
EFFECTS OF LEAD ON BENZENE METABOLISM |
|
The possibility that Pb could affect benzene metabolism through inhibition of enzyme synthesis, was examined by studies of the effects of chronic oral Pb treatments on benzene conv...
|
|
|
EFFECTS OF LIVESTOCK PASTURING ON NONPOINT SURFACE RUNOFF |
|
This project was initiated to evaluate the effects of livestock pasturing in the humid regions of the United States on the quality of nonpoint surface runoff. Three pasturing regim...
|
|
|
EFFECTS OF LOW DOSE MIXTURES OF PCB126 AND PERCHLORATE ON THE HYPTHALAMIC-PITUITARY-THYROID (HPT) AXIS IN THE MALE RAT. |
|
Perchlorate (ClO4) and 3,3',4,4',5-pentachlorobiphenyl (PCB126) are environmental contaminants known to disturb thyroid hormone homeostasis by well defined modes of action that lea...
|
|
|
EFFECTS OF LOW TO MODERATE LEAD EXPOSURE ON BRAINSTEM AUDITORY EVOKED POTENTIALS IN CHILDREN |
|
Complex auditory processing deficits have been reported in children with asymptomatic lead (Pb) exposure (1,2) as well as acute Pb poisoning (3). Hearing thresholds have not been s...
|
|
|
EFFECTS OF LOW TO MODERATE LEAD EXPOSURE ON SLOW CORTICAL POTENTIALS IN YOUNG CHILDREN: TWO YEAR FOLLOW-UP STUDY (JOURNAL VERSION) |
|
A follow-up study of slow cortical potentials in children with elevated blood lead (PbB) histories was conducted two years after initial evaluation. An age x PbB interaction was ag...
|
|
|
EFFECTS OF MIXING AND AGING ON WATER QUALITY IN DISTRIBUTION SYSTEM STORAGE FACILITIES |
|
Aging of water in distribution system storage facilities can lead to deterioration of the water quality due to loss of disinfectant residual and bacterial regrowth. Facilities sho...
|
|
|
EFFECTS OF ORGANOPHOSPHATES ON THE VISUAL SYSTEM OF RATS |
|
The possibility that exposure to organophosphate insecticides can lead to ocular damage is suggested by Japanese studies and indicating that exposed humans developed chronic ocular...
|
|
|
EFFECTS OF PH AND PHOSPHATE ON METAL DISTRIBUTION WITH EMPHASIS ON AS SPECIATION AND MOBILIZATION IN SOILS FROM A LEAD SMELTING SITE |
|
Arsenic in soils from the Asarco Lead Smelter in East Helena, Montana was characterized by X-ray absorption spectroscopy (XAS). As oxidation state and geochemical speciation were ...
|
|
|
EFFECTS OF PH, SOLID/SOLUTION RATIO, IONIC STRENGTH, AND ORGANIC ACIDS ON PB AND CD ON KAOLINITE |
|
Potentiometric and ion-selective electrode titrations together with batch sorption/desorption experiments, were performed to explain the aqueous and surface complexation reactions ...
|
|
|
EFFECTS OF POLLUTANTS ON HUMAN VIRAL RESPIRATORY DISEASE |
|
Many epidemiologic studies have shown excessive respiratory disease morbidity in areas of high atmospheric pollution. This study was designed to develop and characterize an animal ...
|
|
|
EFFECTS OF PRENATAL TESTOSTERONE PROPIONATE ON SEXUAL DEVELOPMENT OF MALE AND FEMALE RATS: A DOSE-RESPONSE STUDY |
|
Effects of Prenatal Testosterone Propionate on Sexual Development of Male and Female Rats: A Dose-Response Study
Cynthia Wolf1,2, Joe Ostby1*, Andrew Hotchkiss3, Gerald LeBlanc2...
|
|
|
EFFECTS OF PRENATAL TESTOSTERONE PROPIONATE ON THE SEXUAL DEVELOPMENT OF MALE AND FEMALE RATS: A DOSE-RESPONSE STUDY |
|
Effects of Prenatal Testosterone Propionate on the Sexual Development of Male and Female Rats: A Dose-Response Study
Cynthia J. Wolf1,2, Andrew Hotchkiss3, Joseph S. Ostby1, Ge...
|
|
|
EFFECTS OF SEDIMENT-BOUND RESIDUES OF THE PYRETHROID INSECTICIDE FENVALERATE ON SURVIVAL AND REPRODUCTION OF MEIOBENTHIC COPEPODS |
|
Pure microcosm-cultured populations of benthic copepods were established from pristine or pesticide-impacted Spartina marsh creeks and used as efficient bioassay groups to assess l...
|
|
|
EFFECTS OF SOME TRACE ELEMENTS ON THE BLOOD OF KUWAIT MULLETS 'LIZA MACROLEPS' (SMITH) |
|
Haemopathological changes attributed to heavy metal poisoning observed in blood smears of Liza macrolepis (Smith) taken after exposures of 96 h to graded doses (mg/l) of copper (0....
|
|
|
EFFECTS OF SPATIAL EXTENT ON LANDSCAPE STRUCTURE AND SEDIMENT METAL CONCENTRATION RELATIONSHIPS IN SMALL ESTUARINE SYSTEMS OF THE US MID-ATLANTIC COAST |
|
Prior studies exploring the quantitative relationship between landscape structure metrics and the ecological condition of receiving waters have used a variety of sampling units (e....
|
|
|
EFFECTS OF SURFACE PROPERTIES OF COLLECTORS ON THE REMOVAL OF CHARGED AND UNCHARGED PARTICLES FROM AEROSOL SUSPENSIONS |
|
The literature on the adhesion of particles impacting on solid and liquid collectors was reviewed. Different forces or mechanisms affecting collision and adhesion of particles with...
|
|
|
EFFECTS OF TREATMENTS ON SOIL-LEAD BIOAVAILABILITY: IMPLICATIONS OF IN-VITRO EXTRACTION TESTING |
|
A field-scale study on the use of phosphate amendments to reduce lead bioavailabity from soil is being conducted at the Joplin site. One of the tools used to evaluate whether lead ...
|
|
|
EFFECTS OF WASTE OIL ON THE SURVIVAL AND REPRODUCTION OF THE AMERICAN FLAGFISH, 'JORDANELLA FLORIDAE' |
|
Short-term lethality tests, tests on the 30-d survival of 10d-old larvae, and a life cycle test showed that used crankcase oil adversely affected the survival and reproduction of t...
|
|
|
EFFECTS OF ZOOPLANKTON GRAZING ON PHYTOPLANKTON COMMUNITIES IN ESCAMBIA BAY, FL |
|
Studies of microheterotroph and meso-zooplankton grazing in nutrient enriched natural waters of Escambia Bay have been conducted for the past two years. These studies include exper...
|
|
|
ELECTROCHEMICAL DESIGN ASSOCIATES (FORMERLY GEOKINETICS INTERNATIONAL, INC.) LEAD RECOVERY TECHNOLOGY EVALUATION ITER |
|
This report presents performance and economic data from U.S. Environmental Protection Agency (EPA) Superfund Innovative Technology Evaluation (SITE) Program evaluation of Electroch...
|
|
|
ELECTROPHYSIOLOGICAL ASSESSMENT OF NEUROTOXICITY IN CHILDREN |
|
Electrophysiological measures appropriate for use in neurotoxicity testing in children are reviewed. These methods include sensory evoked potentials (auditory brainstem, pattern-re...
|
|
|
ELECTROPHYSIOLOGICAL ASSESSMENT OF SENSORY AND COGNITIVE FUNCTION IN CHILDREN EXPOSED TO LEAD: A REVIEW |
|
Studies of the effects of lead absorption on sensory evoked and slow brain potentials in children are reviewed. Studies of slow wave voltage in children during sensory conditioning...
|
|
|
ELECTROPHYSIOLOGICAL SYSTEMS FOR NEUROTOXICITY FIELD TESTING: PEARL II AND ALTERNATIVES |
|
Pearl II, a computerized battery of electrophysiological tests designed for neurotoxicity field testing, was developed a decade ago. he battery includes sensory evoked potentials (...
|
|
|
ELECTRORETINOGRAMS ARE ALTERED BY SUBCHRONIC TOLUENE EXPOSURE TO LONG EVANS RATS: EXPERIMENTAL EVIDENCE SUPPORTING OBSERVATIONS FROM STUDIES OF EXPOSED HUMANS |
|
Impaired visual functions, including low contrast sensitivity and reduced color discrimination, have been reported in studies of humans chronically exposed to several volatile orga...
|
|
|
ELEMENTS IN MAJOR RAW AGRICULTURAL CROPS IN THE UNITED STATES. 1. CADMIUM AND LEAD IN LETTUCE, PEANUTS, SOYBEANS, SWEET CORN, AND WHEAT |
|
Six raw agricultural crops (lettuce, peanuts, potatoes, soybeans, sweet corn and wheat were collected from major U.S. growing areas uncontaminated by human activities other than no...
|
|
|
EMAP WESTERN UNITED STATES LANDSCAPE CHARACTERIZATION NORTHERN CALIFORNIA DATA BROWSER |
|
The United States Environmental Protection Agency's Environmental Monitoring and Assessment Program (EMAP) is conducting a pilot study in the western United States. This study ...
|
|
|
EMAP WESTERN UNITED STATES LANDSCAPE CHARACTERIZATION NORTHWEST OREGON PILOT STUDY AREA DATA AND PRODUCT BROWSER |
|
The United States Environmental Protection Agency's Environmental Monitoring and Assessment Program (EMAP) is conducting a pilot study in the western United States. This study will...
|
|
|
EMAP WESTERN UNITED STATES LANDSCAPE CHARACTERIZATION OREGON DATA AND PRODUCT BROWSER |
|
The United States Environmental Protection Agency's Environmental Monitoring and Assessment Program (EMAP) is conducting a study in the western United States (EPA Regions 8, 9, and...
|
|
|
EMAP WESTERN UNITED STATES LANDSCAPE CHARACTERIZATION SOUTHERN ROCKIES PILOT STUDY AREA DATA AND PRODUCT BROWSER |
|
The United States Environmental Protection Agency's Environmental Monitoring and Assessment Program (EMAP) is conducting a pilot study in the western United States. This study will...
|
|
|
EMBRYONIC AND FETAL PROGRAMMING OF PHYSIOLOGICAL DISORDERS IN ADULTHOOD |
|
In the past decade, numerous epidemiological studies have indicated strong inverse associations between birth weight and risk of coronary heart disease, hypertension, type 2-diabet...
|
|
|
EMERGING TECHNOLOGY BULLETIN: RECLAMATION OF LEAD FROM SUPERFUND WASTE MATERIAL USING SECONDARY LEAD SMELTERS |
|
This process involves incorporating lead-contaminated Superfund waste with the regular feed to a secondary lead smelter. Since secondary lead smelters already recover lead from rec...
|
|
|
EMERGING TECHNOLOGY REPORT: RECLAMATION OF LEAD FROM SUPERFUND WASTE MATERIAL USING SECONDARY LEAD SMELTERS |
|
There are over 3,000 sites across the United States contaminated with lead. Techniques to remediate these sites include standard stabilization/disposal technologies, reclamation of...
|
|
|
EMERGING TECHNOLOGY REPORT: RECLAMATION OF LEAD FROM SUPERFUND WASTE MATERIAL USING SECONDARY LEAD SMELTERS |
|
There are over 3000 sites across the United States contaminated with lead. echniques to remediate these sites include standard stabilization/disposal technologies, reclamation of l...
|
|
|
EMERGING TECHNOLOGY SUMMARY - SIMULTANEOUS DESTRUCTION OF ORGANICS AND STABILIZATION OF METALS IN SOILS |
|
The Sulchem Process reacts the material being treated with elemental sulfur at elevated temperatures in an inert reactor system. Organic hydrocarbons react with the sulfur to form ...
|
|
|
EMERGING TECHNOLOGY SUMMARY: ELECTRO-PURE ALTERNATING CURRENT ELECTROCOAGULATION |
|
The Superfund Innovative Technology Evaluation (SITE) Program was authorized as part of the 1986 amendments to the Superfund legislation. It represents a joint effort between the U...
|
|
|
EMERGING TECHNOLOGY SUMMARY: THEORETICAL AND EXPERIMENTAL MODELING OF MULTI-SPECIES TRANSPORT IN SOILS UNDER ELECTRIC FIELDS |
|
This project investigated an innovative approach for transport of inorganic species under the influence of electric fields. This process, commonly known as electrokinetics uses low...
|
|
|
EMISSION FROM IN-USE HEAVY-DUTY GASOLINE TRUCKS |
|
Apportionment of air pollution to sources requires knowledge of source emission strengths and/or chemical and physical characteristics. The literature is deficient in data useful f...
|
|
|
EMISSION OF METALS AND ORGANICS FROM MUNICIPAL WASTEWATER SLUDGE INCINERATORS - VOLUME I: SUMMARY REPORT |
|
Emissions of metals and organics from a series of four wastewater sludge incinerators were determined. hree multiple hearth units and one fluidized bed combustor were tested. missi...
|
|
|
EMISSION OF METALS AND ORGANICS FROM MUNICIPAL WASTEWATER SLUDGE INCINERATORS - VOLUME VI: SITE 4 FINAL EMISSION TEST REPORT |
|
The Site 4 plant treats 11 to 12 MGD of wastewater from domestic (80% of influent) and industrial (20% of influent) sources. he treated primary/secondary sludge is dewatered using ...
|
|
|
EMISSIONS ASSESSMENT FOR REFUSE-DERIVED FUEL COMBUSTION |
|
The RDF and coal were burned in a small spreader-stoker fired boiler. The parameters that were varied in this program were RDF type and amount of coal burned with the RDF. In two e...
|
|
|
EMISSIONS FROM SLUDGE INCINERATORS WITH VENTURI AND TRAY SCRUBBERS AND WET ELECTROSTATIC PRECIPITATORS - METALS, CHROMIUM AND NICKEL COMPOUNDS, AND ORGANICS |
|
At Site 5 (continuing a numbering system initiated in a previous 4-site project) tests were only conducted for methods development purposes. At Site 6, emissions were measured at t...
|
|
|
EMISSIONS INVENTORIES THEN, NOW, AND TOMORROW |
|
As late as the 1970s, air pollution was viewed almost exclusively as an urban phenomenon associated with energy production and factories that was manifested as smog in Los Angeles,...
|
|
|
EMISSIONS OF DIOXINS AND RELATED COMPOUNDS FROM COMBUSTION AND INCINERATION SOURCES |
|
This report on the emissions of polychlorinated dibenzo-p-dioxins and dibenzofurans was prepared as a contribution to the Pilot Study on International Information Exchange on Dioxi...
|
|
|
EMISSIONS OF METALS, CHROMIUM AND NICKEL SPECIES, AND ORGANICS FROM MUNICIPAL WASTEWATER SLUDGE INCINERATORS - VOLUME I: SUMMARY REPORT |
|
At Site 5 (continuing a numbering system initiated in a previous 4-site project) tests were only conducted for methods development purposes. t Site 6, emissions were measured at th...
|
|
|
EMPIRICAL MODELS OF PB AND CD PARTITIONING USING DATA FROM 13 SOILS, SEDIMENTS AND AQUIFER MATERIALS |
|
Lead (Pb) and cadmium (Cd) are two of the most common toxicants found in contaminated environments. Because solubilization of these metallic elements from the solid phase can infl...
|
|
|
EMPIRICAL PARTITIONING MODELS FOR PB AND CD USING DATA FROM 13 SOILS, SEDIMENTS AND AQUIFER MATERIALS |
|
There is no abstract for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
ENANTIOSELECTIVE ELIMINATION OF FIPRONIL AND SELECTED ORGANOCHLORINES BY RAINBOW TROUT (ONCORHYNCHUS MYKISS) |
|
Fipronil is a phenylpyrazole pesticide widely used in applications such as rice culture, turf grass management, and residential pest control with a high probability to contaminate ...
|
|
|
ENCOURAGING CLEAN TECHNOLOGIES: THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY POLLUTION PREVENTION PROGRAM |
|
Since 1988, the United States Environmental Protection Agency (USEPA), has supported a research program to encourage the development, demonstration, and evaluation of production te...
|
|
|
ENCOURAGING THE USE OF DRIFT REDUCTION TECHNOLOGIES IN THE UNITED STATES |
|
A number of pesticide application technologies offer the potential to reduce spray drift from pesticide applications. However, limited information exists on their effectiveness in ...
|
|
|
ENDOCRINE DISRUPTORS: LESSONS LEARNED |
|
For more than ten years, major international efforts have been aimed at understanding the mechanism and extent of endocrine disruption in experimental models, wildlife, and people;...
|
|
|
ENDURING EFFECTS OF EARLY LEAD EXPOSURE IN A VIGILANCE TASK: CONTRIBUTION OF CHOLINERGIC ALTERATIONS. (U915393) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
ENGINEERING BULLETIN: SELECTION OF CONTROL TECHNOLOGIES FOR REMEDIATION OF LEAD BATTERY RECYCLING SITES |
|
Section 121(b) of the Comprehensive Environmental Response, Compensation, and Liability Act, (CERCLA) mandates the Environmental Protection Agency (EPA) to select remedies that "ut...
|
|
|
ENGINEERING BULLETIN: SEPARATION/CONCENTRATION TECHNOLOGY ALTERNATIVES FOR THE REMEDIATION OF PESTICIDE-CONTAMINATED SOIL |
|
Pesticide contamination includes a wide variety of compounds and may result from manufacturing improper storage, handling, disposal; or agricultural processes. It can occur in soil...
|
|
|
ENVIROBOND (TM) PROCESS ROCKY MOUNTAIN REMEDIATION SERVICES (EPA/540/MR-99/502) |
|
The Rocky Mountain Remediation Services Environbond (TM) process was evaluated under the USEPA's SITE program for the ability of the process to reduce leachable lead in contaminate...
|
|
|
ENVIRONMENTAL AND MOLECULAR CHARACTERIZATION OF SYSTEMS WHICH ALTER GENOME STABILITY IN PSEUDOMONAS |
|
Pseudomonas aeruginosa was used a model organism to study mechanisms that lead to genome alteration in freshwater microbial populations. ur studies demonstrated horizontal transmis...
|
|
|
ENVIRONMENTAL ASSESSMENT OF A COMMERCIAL BOILER FIRED WITH A COAL/WASTE PLASTIC MIXTURE. VOLUME 1. TECHNICAL RESULTS |
|
The report gives results of comprehensive emissions testing and laboratory analyses of a stoker-fired commercial boiler firing a coal/waste plastic mixture. In one test, the unit f...
|
|
|
ENVIRONMENTAL ASSESSMENT OF A COMMERCIAL BOILER FIRED WITH A COAL/WASTE PLASTIC MIXTURE. VOLUME 2. DATA SUPPLEMENT |
|
The report gives results of comprehensive emissions testing and laboratory analyses of a stoker-fired commercial boiler firing a coal/waste plastic mixture. In one test, the unit f...
|
|
|
ENVIRONMENTAL ASSESSMENT OF COAL-AND OIL-FIRING IN A CONTROLLED INDUSTRIAL BOILER. VOLUME I. EXECUTIVE SUMMARY |
|
The report gives results of a comparative multimedia assessment of coal versus oil firing in a controlled industrial boiler. Relative environmental, energy, economic, and societal ...
|
|
|
ENVIRONMENTAL CONTAMINANTS AND POTENTIAL HUMAN RISK ASSOCIATED WITH SELECTED BOTANICAL DIETARY SUPPLEMENTS |
|
Botanical dietary supplements have a long history of use in Europe and China and they are becoming increasingly popular in the United States. However, little data is available rega...
|
|
|
ENVIRONMENTAL CONTROL OF TOXIC METAL AIR EMISSIONS FROM THE COMBUSTION OF COAL AND WASTES |
|
The paper is concerned with the partitioning of toxic metals (e.g., arsenic, selenium, mercury, chromium, lead, and cadmium) during combustion, and with the mitigation of their eff...
|
|
|
ENVIRONMENTAL DETERMINANTS OF LEAD BURDENS IN CHILDREN |
|
Lead burdens in children were studied in relation to exposure to lead from soil and from automobile traffic in Charleston, SC. Preschool aged black children exposed to a variety of...
|
|
|
ENVIRONMENTAL EFFECTS OF A GOLF COMPLEX ON COASTAL WETLANDS IN THE GULF OF MEXICO |
|
The increasing density of golf courses represents a potential source of contamination to nearby coastal wetlands and other near-shore areas. The chemical and biological magnitude o...
|
|
|
ENVIRONMENTAL EFFECTS OF OIL SHALE MINING AND PROCESSING. PART III - THE WATER QUALITY OF PICEANCE CREEK, COLORADO, PRIOR TO OIL SHALE PROCESSING |
|
Water quality data have been collected at seven sites along Piceance Creek and at one site each along Stewart, Black Sulphur, and Yellow Creeks in the Piceance Basin, Colorado, dur...
|
|
|
ENVIRONMENTAL EFFECTS OF WESTERN COAL SURFACE MINING. PART VII. MICROBIAL EFFECT ON THE QUALITY OF LEACH WATER FROM EASTERN MONTANA COAL MINE SPOILS |
|
Selected portions of test cores from the overburden of the West Moorhead coal deposit in southeastern Montana were examined for possible addition to leach water of toxic substances...
|
|
|
ENVIRONMENTAL FACTORS ASSOCIATED WITH MENTAL RETARDATION AND DEVELOPMENT DISABILITY |
|
Abstract
A number of environmental agents have been shown to demonstrate neurotoxic effects either in human or laboratory animal studies. Critical windows of vulnerability ...
|
|
|
ENVIRONMENTAL HEALTH |
|
Are you healthy? Is your environment healthy for you? What does it mean to be healthy? Does it mean you're not achy, or that you are not visibly sick? The World Health Organizati...
|
|
|
ENVIRONMENTAL HEALTH INDICATORS: STATE OF THE ENVIRONMENT REPORT |
|
Background/Purpose: The U.S. Environmental Protection Agency (EPA) is moving in the direction of measuring and assessing human health and ecological outcomes. The new "outcome" mea...
|
|
|
ENVIRONMENTAL IMPACTS FROM LEAD SCAVENGERS IN AVGAS AND GASOLINE |
|
Poster presented at the 19th Annual National Tanks Conference, San Antonio, TX, March 5-7, 2007....
|
|
|
ENVIRONMENTAL MONITORING USING GENETIC BIOASSAYS |
|
Environmental monitoring has evolved over the last ten years toward providing data more useful for exposure and risk assessment. he objective of many monitoring studies in the 1960...
|
|
|
ENVIRONMENTAL REGULATIONS AND TECHNOLOGY - THE ELECTROPLATING INDUSTRY |
|
This 44-page Technology Transfer Environmental Regulations and Technology publication is an update of a 1980 EPA publication that has been revised to reflect changes in the EPA reg...
|
|
|
ENVIRONMENTAL RESEARCH BRIEF: SPATIAL HETEROGENEITY OF GEOCHEMICAL AND HYDROLOGIC PARAMETERS AFFECTING METAL TRANSPORT IN GROUNDWATER |
|
Reliable assessment of the hazards or risks arising from groundwater contamination and the design of effective means of rehabilitation of contaminated sites requires the capability...
|
|
|
ENVIRONMENTAL RESEARCH BRIEF: WASTE MINIMIZATION ASSESSMENT FOR A MANUFACTURER OF PRINTED CIRCUIT BOARDS |
|
The U.S. Environmental Protection Agency (EPA) has funded a pilot project to assist small- and medium- size manufacturers who want to minimize their generation of hazardous waste b...
|
|
|
ENVIRONMENTAL RESEARCH BRIEF: WASTE REDUCTION ACTIVITIES AND OPTIONS FOR A MANUFACTURER OF ELECTROPLATED WIRE |
|
The U.S. Environmental Protection Agency (EPA) funded a project with the New Jersey Department of Environmental Protection and Energy (NJDEPE) to assist in conducting waste minimiz...
|
|
|
ENVIRONMENTAL RESEARCH BRIEF: WASTE REDUCTION ACTIVITIES AND OPTIONS FOR A PRINTING PLATE PREPARATION SECTION OF A NEWSPAPER |
|
The U.S. Environmental Protection Agency (EPA) funded a project with the New Jersey Department of Environmental Protection and Energy (NJDEPE) to assist in conducting waste minimiz...
|
|
|
ENVIRONMENTAL RESEARCH BRIEF: WASTE REDUCTION ACTIVITIES AND OPTIONS FOR A PRINTING PLATE PREPARATION SECTION OF A NEWSPAPER. |
|
The U.S. Environmental Protection Agency (EPA) funded a project with the New Jersey Department of Environmental Protection and Energy (NJDEPE) to assist in conducting waste minimiz...
|
|
|
ENVIRONMENTAL SYSTEMS MANAGEMENT: TOWARDS A NEW SCIENCE OF SUSTAINABLE ENVIRONMENTAL MANAGEMENT |
|
Environmental Systems Management (ESM) is the management of environmental problems at the systems level fully accounting for the multi-dimensional nature of the environment. This i...
|
|
|
ENVIRONMENTAL TECHNOLOGY REPORT - LEAD DUST WIPE MEASUREMENT TECHNOLOGY MONITORING TECHNOLOGIES INTERNATIONAL, PDV 5000 TRACE ELEMENT ANALYZER |
|
ETV works in partnership with recognized standards and testing organizations and stakeholder groups consisting of regulators, buyers, and vendor organizations, with the full partic...
|
|
|
ENVIRONMENTAL TECHNOLOGY VERIFICATION REPORT - LEAD IN DUST WIPE MEASUREMENT TECHNOLOGY, KEYMASTER TECHNOLOGIES, X-RAY FLUORESCENCE INSTRUMENT PB-TEST |
|
ETV works in partnership with recognized standards and testing organizations and stakeholder groups consisting of regulators, buyers, and vendor organizations, with the full partic...
|
|
|
ENVIRONMENTAL TECHNOLOGY VERIFICATION REPORT - LEAD IN DUST WIPE MEASUREMENT TECHNOLOGY, NITON CORPORATION, X-RAY FLUORESCENCE SPECTRUM ANALYSER, XL-300 SERIES |
|
ETV works in partnership with recognized standards and testing organizations and stakeholder groups consisting of regulators, buyers, and vendor organizations, with the full partic...
|
|
|
ENVIRONMENTAL TECHNOLOGY VERIFICATION REPORT - LEAD IN DUST WIPE MEASUREMENT TECHNOLOGY, NITON CORPORATION, X-RAY FLURESCENCE SPECTRUM ANALYZER, XL-700 |
|
ETV works in partnership with recognized standards and testing organizations and stakeholder groups consisting of regulators, buyers, and vendor organizations, with the full partic...
|
|
|
ENVIRONMENTAL TECHNOLOGY VERIFICATION REPORT - LEAD IN DUST WIPE MEASUREMENT TECHNOLOGY, PALINTEST, SCANNING ANALYZER , SA-5000 SYSTEM |
|
ETV works in partnership with recognized standards and testing organizations and stakeholder groups consisting of regulators, buyers, and vendor organizations, with the full partic...
|
|
|
ENVIRONMENTAL TECHNOLOGY VERIFICATION REPORT, LEAD IN DUST WIPE MEASUREMENT TECHNOLOGY, NITON LLC, X-RAY FLUORESCENCE SPECTRUM ANALYZER, XLT-700 |
|
The U.S. Environmental Protection Agency (EPA) design efficient processes for conducting has created the Environmental Technology perfofl1lance tests of innovative technologies. Ve...
|
|
|
ENVIRONMENTAL TECHNOLOGY VERIFICATION REPORT: STORMWATER MANAGEMENT STORMFILTER® TREATMENT SYSTEM USING PERLITE MEDIA |
|
Verification testing of the Stormwater Management, Inc. StormFilter® Using Perlite Filter Media was conducted on a 0.7 acre drainage basin near downtown Griffin, Georgia. The syste...
|
|
|
ENVIRONMENTAL TECHNOLOGY VERIFICATION REPORT; RECHARGEABLE ALKALINE HOUSEHOLD BATTERY SYSTEM; RAYOVAC CORPORATION, RENEWAL |
|
The EPA's ETV Program, in partnership with recognized testing organizations, objectively and systematically documents the performance of commercial ready technologies. Together, wi...
|
|
|
ENVIRONMENTAL TOXICANTS AND ALTERED MAMMARY GLAND DEVELOPMENT: THE WINDOW OF SUSCEPTIBILITY |
|
Environmental Toxicants and Altered Mammary Gland Development: The window of susceptibility. Suzanne E. Fenton, National Health and Environmental Effects Research Laboratory, U.S....
|
|
|
ENVIRONMENTAL TOXICANTS AND DISRUPTED MAMMARY GLAND DEVELOPMENT: THE WINDOW OF SUSCEPTIBILITY |
|
Environmental Toxicants and Altered Mammary Gland Development: The window of susceptibility. Suzanne E. Fenton, National Health and Environmental Effects Research Laboratory, U.S....
|
|
|
EPA BIBLIOGRAPHY ON SURFACE CONTAMINATION |
|
As a part of the attempt to maintain technical currency, the toxics Control Branch, Risk Reduction Engineering Laboratory of the USEPA conducts an ongoing review of the literature ...
|
|
|
EPA NEEDS FOR DUAL USE TECHNOLOGY IN HOMELAND SECURITY |
|
Presentation providing an overview of EPA in National Homeland Security/Security Technology programs. EPA is the lead agency for several areas: water infrastructure; hazardous mate...
|
|
|
EPA SITE DEMONSTRATION OF THE HORSEHEAD RESOURCE DEVELOPMENT COMPANY FLAME REACTOR TECHNOLOGY |
|
The U.S. Environmental Protection Agency's Superfund Innovative Technology Evaluation (SITE) program selected the Horsehead Resource Development Company, Inc. (HRD) Flame Reactor t...
|
|
|
EPA STUDIES OF ARSENIC SPECIATION IN SEAFOOD MATRICES WITH AN EMPHASIS ON EXTRACTABILITY AND ARSENOSUGAR INTEGRITY |
|
The anthropogenic and geological occurrence of arsenic (As) results in human exposure to a potentially carcinogenic element. The two predominant pathways to As exposure are drinki...
|
|
|
EPA Workshop on Monitored Natural Attenuation for Inorganic Contaminants: 3 – Discussion of Specific Contaminants & Case Study |
|
The purpose of this training is to present an overview of site characterization approaches to support evaluation of the potential for Monitored Natural Attenuation (MNA) as a remed...
|
|
|
EPA'S CATALYST RESEARCH PROGRAM: ENVIRONMENTAL IMPACT OF SULFURIC ACID EMISSIONS |
|
A sulfuric acid review conference sponsored by EPA's automotive Catalyst Research Program was held recently at Hendersonville, NC, for researchers whose work is funded by EPA. Emis...
|
|
|
EPA'S CONTROL TECHNOLOGY APPROACH TO ASSISTING STATES AND REGIONS WITH AIR TOXICS PROBLEMS: FIVE CASE STUDIES |
|
The paper discusses a new U.S. strategy to reduce public exposure to toxic air pollutants in the ambient air. he strategy calls for state and local authorities to take on more of t...
|
|
|
EPA'S FIELD DEMONSTRATION OF INNOVATIVE CAPPING TECHNOLOGIES FOR THE RISK MANAGEMENT OF CONTAMINATED SEDIMENTS |
|
Research on capping technologies is directed at assessing the effectiveness of innovative capping materials, factors that control contaminant release at the sediment-water interfac...
|
|
|
EPIDEMIOLOGIC STUDY OF THE EFFECTS OF AUTOMOBILE TRAFFIC ON BLOOD LEAD LEVELS |
|
The study investigated the absorption of lead by persons of different age-sex groups exposed to automobile emissions of lead at traffic densities from less than 1,000 cars per day ...
|
|
|
EPISODIC ACIDIFICATION AND ASSOCIATED FISH AND AQUATIC INVERTEBRATE RESPONSES IN FOUR CATSKILL MOUNTAIN STREAMS: AN INTERIM REPORT OF THE EPISODIC RESPONSE PROJECT |
|
The Episodic Response Project is a multidisciplinary research project designed to assess the role of storm and snowmelt runoff in stream acidification and the associated responses ...
|
|
|
EPISODIC ACIDIFICATION OF STREAMS IN THE NORTHEASTERN UNITED STATES: CHEMICAL AND BIOLOGICAL RESULTS OF THE EPISODIC RESPONSE PROJECT |
|
The Episodic Response Project (ERP) was funded by the U.S. Environmental Protection Agency (EPA) as part of the Aquatic Effects Research Program (AERP), which was established to st...
|
|
|
EQUILIBRIUM-PARTITIONING SEDIMENT GUIDELINES (ESGS) FOR THE PROTECTION OF BENTHIC ORGANISMS: METALS MIXTURES (CADMIUM, COPPER, LEAD, NICKEL, SILVER, AND ZINC) |
|
See the published paper for the abstract.
...
|
|
|
ESTIMATING DIFFUSE STORMWATER NUTRIENT LOADS FROM SUBURBAN LANDSCAPES IN THE NAVESINK ESTUARY, NEW JERSEY |
|
Hitherto, stormwater runoff from suburban land-uses has been largely unregulated and designated as a non-point source. Phase II of the Clean Water Act now requires permits under t...
|
|
|
ESTIMATING DIFFUSE STORMWATER NUTRIENT LOADS FROM SUBURBAN LANDSCAPES TO THE NAVESINK ESTUARY, NEW JERSEY |
|
Hitherto, stormwater runoff from suburban land-uses has been largely unregulated and designated as a non-point source. Phase II of the Clean Water Act will require permits under th...
|
|
|
ETV REPORT - EVALUATION OF DAVIS TECHNOLOGIES INTERNATIONAL CORP. - INDUSTRIAL WASTEWATER TREATMENT PLANT |
|
Abstract: Evaluation of Davis Technologies International Corp. Industrial Wastewater Treatment Plant
The Davis Technologies International Corp. (DTIC) Industrial Wastewater...
|
|
|
EVALUATING AN URBAN STREAM RESTORATION PROGRAM FOR IMPROVING WATER QUALITY, IN-STREAM HABITAT, AND BANK STABILITY |
|
To improve water quality in urban and suburban areas, watershed managers often incorporate best management practices (BMPs) to reduce the quantity of runoff, as well as minimize po...
|
|
|
EVALUATING MONITORED NATURAL ATTENUATION FOR RADIONUCLIDE & ORGANIC CONTAMINATION IN GROUNDWATER (SALT LAKE CITY, UT) |
|
Monitored Natural Attenuation (MNA) for radionuclides and inorganic contaminants is dependent on naturally occurring processes in the subsurface that act without human intervention...
|
|
|
EVALUATING MONITORED NATURAL ATTENUATION FOR RADIONUCLIDE AND INORGANIC CONTAMINANTS IN GROUNDWATER |
|
Monitored Natural Attenuation (MNA) for inorganic contaminants is dependent on naturally occurring processes in the subsurface that act without human intervention to reduce the mas...
|
|
|
EVALUATING THE ACCOTINK CREEK URBAN STREAM RESTORATION PROJECT FOR IMPROVING WATER QUALITY, IN-STREAM HABITAT, AND BANK STABILITY |
|
Increased urbanization results in a larger percentage of connected impervious areas and can contribute large quantities of stormwater runoff and significant quantities of debris an...
|
|
|
EVALUATING THE IMPACT OF WATER CHEMISTRY ON CUPROSOLVENCY AND COPPER CORROSION BY-PRODUCT USING A SIMPLE COPPER PIPE RECIRCULATING LOOP SYSTEM |
|
1991, EPA publicized the Lead and Copper Rule (LCR),which set regulations to minimize the amount of lead copper in drinking water. The LCR set the copper action level at 1.3 mg/L i...
|
|
|
EVALUATION AND MITIGATION OF VISIBLE ACIDIC AEROSOL PLUMES FROM COAL FIRED POWER BOILERS |
|
The formation of sulfur trioxide during the combustion of coal can increase significantly following the installation and operation of selective catalytic reduction systems for redu...
|
|
|
EVALUATION AND UPGRADING OF A MULTI-STAGE TRICKLING FILTER FACILITY |
|
The applicability of a full-scale, six-stage trickling filter plant was investigated for the treatment of waste from a multiproduct organic chemical plant. Reductions of BOD per un...
|
|
|
EVALUATION OF A COASTAL GOLF COMPLEX AS A LOCAL AND WATERSHED SOURCE OF BIOAVAILABLE |
|
Lewis, Michael A., Robert L. Quarles, Darrin D. Dantin and James C. Moore. 2004. Evaluation of a Coastal Golf Complex as a Local and Watershed Source of Bioavailable Contaminants. ...
|
|
|
EVALUATION OF A FIELD TEST KIT FOR MONITORING LEAD IN DRINKING WATER |
|
The paper discusses important aspects of the conceptual design of evaluation of studies of the performance of proprietary analytical test kits for drinking water surveys and corros...
|
|
|
EVALUATION OF A SOIL AMENDMENT PROCESS DEMONSTRATION FOR REDUCING THE BIOAVAILABILITY OF LEAD |
|
The USEPA evaluated an in situ application of a soil amendment process at a residential site that was contaminated with lead. The goal of the evaluation was to determine if the so...
|
|
|
EVALUATION OF AN ESCA (ELECTRON SPECTROSCOPY FOR CHEMICAL ANALYSIS)/LEACHATE ANALYTICAL SCHEME TO CHARACTERIZE PROCESS STREAM WASTES |
|
The report gives results of an evaluation of the ability of an ESCA/leachate analytical scheme to characterize solid waste from combustion processes and hazardous waste incinerator...
|
|
|
EVALUATION OF CONSTRUCTED WETLAND AND RETENTION POND BMPS FOR ATTENUATING MICROBIAL CONTAMINANTS IN URBAN STORMWATER RUNOFF |
|
This project investigated the use of constructed wetlands and retention ponds for decreasing microbial concentrations from urban stormwater runoff. Increased urbanization has resu...
|
|
|
EVALUATION OF CORROSION ISSUES FOR NANOFILTRATION TREATED WATER |
|
Nanofiltration membranes are known to remove a large percentage of naturally occurring organics. emovals are often higher than 90 percent. his is also true for disinfection byprodu...
|
|
|
EVALUATION OF DIOXIN IN U.S. COW'S MILK |
|
Milk fat is likely to be among the highest dietary sources of exposure to persistent, bioaccumulative, and toxic (PBT) contaminants, thus it is important to understand PBT levels i...
|
|
|
EVALUATION OF DITHIOCARBAMATES AND BETA-DIKETONES AS CHELATING AGENTS IN SUPERCRITICAL FLUID EXTRACTION OF CADMIUM, LEAD, AND MERCURY FROM SOLID SAMPLES |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
EVALUATION OF ECONOMIC INCENTIVES FOR DECENTRALIZED STORMWATER RUNOFF MANAGEMENT |
|
Impervious surfaces in urban and suburban areas can lead to excess stormwater runoff throughout a watershed, typically resulting in widespread hydrologic and ecological alteration ...
|
|
|
EVALUATION OF ELECTRODEPOSITED LEAD DIOXIDE. (R825549C035) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
EVALUATION OF EXTRACTION AND SPECTROSCOPIC METHODS FOR PB SPECIATION IN AN AMENDED SOIL |
|
Immobilization of pyromorphite (Pbs(PO4hCI) via P amendments to Pb contaminated soils is proving to be a viable method of remediation. However, the issue of ascertaining the amount...
|
|
|
EVALUATION OF FISH SAMPLING DESIGNS FOR COASTAL WATERS |
|
Because no objective assessment of fish sampling methodologies has been completed for Great Lakes coastal wetlands we evaluated catches from several techniques and studies to deter...
|
|
|
EVALUATION OF FISH SAMPLING DESIGNS FOR COASTAL WETLANDS |
|
Because no objective assessment of fish sampling methodologies has been completed for Great Lakes coastal wetlands we evaluated catches from several techniques and studies to deter...
|
|
|
EVALUATION OF HADWACO MVR EVAPORATOR, ETV REPORT& STATEMENT |
|
Hadwaco US, Inc., manufactures a commercial ready mechanical vapor recompression (MVR) evaporator for use in the metal finishing industry. The evaporator utilizes proven MVR and fa...
|
|
|
EVALUATION OF HVS3 SAMPLER FOR SAMPLING POLYCYCLIC AROMATIC HYDROCARBONS AND POLYCHLORINATED BIPHENYLS |
|
A study was conducted to determine whether the High Volume Small Surface Sampler (HVS3) can quantitatively collect polycyclic aromatic hydrocarbons (PAH) will polychlorinated biphe...
|
|
|
EVALUATION OF ION EXCHANGE SOFTENING ON THE LEACHING OF METALS FROM HOUSEHOLD PLUMBING SYSTEMS |
|
A 16 month pilot plant study was conducted to determine the effect of ion exchange softening on the leaching of metals from household plumbing materials. wo pipe loop pilot plant s...
|
|
|
EVALUATION OF LEAD AVAILABILITY IN AMENDED SOILS MONITORED OVER A LONG-TERM TIME PERIOD |
|
Two different soil amendment processes were evaluated for reducing lead availability from a contaminated soil at a demonstration study site, to reduce potential public health and e...
|
|
|
EVALUATION OF PAUL BERGSOE AND SON SECONDARY LEAD SMELTER |
|
This report presents the findings of an investigation performed to obtain data concerning fugitive and workroom emissions from secondary lead smelters. The results are being used w...
|
|
|
EVALUATION OF PORTABLE X-RAY FLUORESCENCE SPECTROMETER FOR MEASUREMENT OF LEAD IN PAINT, SOIL AND DUST |
|
Three widely used commercially available portable X-ray fluorescence spectrometers were evaluated for precision and accuracy of measurement of lead in paint. ncluded were two direc...
|
|
|
EVALUATION OF PRISTINE LIGNIN FOR HAZARDOUS WASTE TREATMENT |
|
A feasibility study was conducted to assess the utilization of lignin, isolated from a steam-exploded hardwood (Tulip poplar) with 95% ethanol and 0.1n NaOH, as a potential adsorbe...
|
|
|
EVALUATION OF RETENTION POND AND CONSTRUCTED WETLAND BMPS FOR TREATING PARTICULATE-BOUND HEAVY METALS IN URBAN STORMWATER RUNOFF |
|
Urban stormwater discharge during wet-weather flows is a major contributor to the pollution of many receiving waters. Heavy metals are of particular interest in stormwater runoff d...
|
|
|
EVALUATION OF SILICATE AND PHOSPHATE COMPOUNDS FOR CORROSION CONTROL |
|
Various dosages of selected silicate and phosphate compounds were evaluated for their ability to inhibit corrosion of cast iron, copper, lead, and galvanized steel specimens in dri...
|
|
|
EVALUATION OF SOLIDIFICATION/STABILIZATION TREATMENT PROCESSES FOR MUNICIPAL WASTE COMBUSTION RESIDUES |
|
Investigations were carried out to compare and evaluate solidification/stabilization (S/S) processes to treat residues from combustion (MWC). ull factorial experimental design was ...
|
|
|
EVALUATION OF SOLIDIFIED RESIDUE FROM MSW COMBUSTORS |
|
This study was conducted to evaluate the effectiveness of commercial solidification techniques for immobilizing contaminants in municipal incinerator ash. Six different ash samples...
|
|
|
EVALUATION OF STATIONARY SOURCE PARTICULATE MEASUREMENT METHODS. VOLUME V. SECONDARY LEAD SMELTERS |
|
As part of an overall program to evaluate the EPA Method 5 procedure for measurement of particulate emissions, an experimental study was made of its specific applicability to secon...
|
|
|
EVALUATION OF THE POTENTIAL CARCINOGENICITY OF ARSENIC COMPOUNDS |
|
Arsenic and inorganic compounds a human carcinogens, classified as weight-of-evidence Group A under the EPA Guidelines for Carcinogen Risk Assessment. vidence on potential carcinog...
|
|
|
EVALUATION OF THE POTENTIAL CARCINOGENICITY OF LEAD AND LEAD COMPOUNDS: IN SUPPORT OF REPORTABLE QUANTITY ADJUSTMENTS PURSUANT TO CERCLA SECTION 102 |
|
Information on the potential carcinogenicity of lead and lead compounds is summarized and evaluated under EPA's Guidelines for Carcinogen Risk Assessment. The human studies provide...
|
|
|
EVALUATION OF TOXIC EFFECTS OF ORGANIC CONTAMINANTS IN RECYCLED WATER |
|
The report represents the results of a comprehensive series of toxicological studies designed to evaluate the health effects of the application of recycled water for drinking purpo...
|
|
|
EVALUATION OF TRACE ELEMENT RELEASE FROM FLUIDIZED-BED COMBUSTION SYSTEMS |
|
The report gives results of an investigation of four trace elements: lead, beryllium, mercury, and fluorine. The chemical fate of minor and trace elements is important in assessing...
|
|
|
EVALUATION OF TWO LEAD-BASED PAINT REMOVAL AND WASTE STABILIZATION TECHNOLOGY COMBINATIONS ON TYPICAL EXTERIOR SURFACES |
|
A study was conducted to demonstrate the effectiveness of a wet abrasive blasting technology to remove lead-based paint from exterior wood siding and brick substrates as well as to...
|
|
|
EVALUATION OF TWO LEAD-BASED PAINT REMOVAL AND WASTE STABILIZATION TECHNOLOGY COMBINATIONS ON TYPICAL EXTERIOR SURFACES: JOURNAL ARTICLE |
|
NRMRL-CIN-1624 Daniels*, A., Kominsky, J.R., and Clark*, P.J. Evaluation of Two Lead-Based Paint Removal and Waste Stabilization Technology Combinations on Typical Exterior Surfac...
|
|
|
EVALUATION OF WASTE STABILIZED BY THE SOLIDITECH SITE TECHNOLOGY |
|
The Soliditech technology demonstration was conducted at the Imperial Oil Company/Champion Chemicals Superfund Site in Monmouth County, New Jersey. ontamination at this site includ...
|
|
|
EVALUATION OF WASTE STABILIZED BY THE SOLIDITECH SITE TECHNOLOGY |
|
The Soliditech technology demonstration was conducted at the Imperial Oil Company/Champion Chemicals Superfund Site in Monmouth County, New Jersey. ontamination at this site includ...
|
|
|
EVALUATION OF WATER MONITORING INSTRUMENTATION AT EPA'S WATER AWARENESS TECHNOLOGY EVALUATION RESEARCH SECURITY CENTER |
|
The safety and security of distribution systems has come under reassessment in the past year. Several chemical and biological agents have been identified that might constitute a cr...
|
|
|
EVENT-RELATED SLOW BRAIN POTENTIAL CHANGES IN ASYMPTOMATIC CHILDREN WITH SECONDARY EXPOSURE TO LEAD |
|
Slow cortical potentials were studied in young children with blood lead (PbB) levels ranging from 6 to 52 g/dl. Slow wave (SW) voltage recorded from the scalp during sensory condit...
|
|
|
EVIDENCE FOR EFFECTS OF CHRONIC LEAD EXPOSURE ON BLOOD PRESSURE IN EXPERIMENTAL ANIMALS: AN OVERVIEW |
|
Information obtained in a number of experimental studies conducted over the last forty years on the effects of lead on blood pressure is reviewed. Differences in animal species, ag...
|
|
|
EVIDENCE FOR THE INFLUENCE OF SULFUR OXIDES AND PARTICULATES ON MORBIDITY |
|
The review puts into perspective the relationship of human morbidity to the occurrence of sulfur oxides and related particulates in the atmosphere. There is no question that such a...
|
|
|
EVIDENCE OF CHANGES IN CNS FUNCTION AT LOW-TO-MODERATE BLOOD LEAD LEVELS IN CHILDREN: A CHALLENGE TO CURRENTLY ACCEPTED THRESHOLD LIMITS |
|
The Centres for Disease Control (1978) designated 30 micrograms/dl blood lead (PbB) and 50 micrograms/dl erythrocite protorphyrin as the upper 'safe' limits of body burden, thresho...
|
|
|
EXCESSIVE THERMAL CYCLING CONVERTS AMPLIFIED PCR PRODUCTS TO RANDOM-LENGTH HIGHER MOLECULAR WEIGHT FRAGMENTS |
|
Poorly optimized thermal cycling conditions are known to produce artifacts during the polymerase chain reaction (PCR). e report here on a problem encountered while developing a PCR...
|
|
|
EXPERIMENTAL APPROACHES TO INVESTIGATE THE INTERACTION OF AIR POLLUTANTS AND LUNG DISEASE |
|
Epidemiological studies of smokers and other people exposed to high levels of air pollutants have demonstrated that these individuals suffer from more frequent and severe respirato...
|
|
|
EXPERIMENTAL INDUCEMENT OF NITROGEN SATURATION AT THE WATERSHED SCALE |
|
Atmospheric nitrogen deposition to forested ecosystems in excess of vegetative demand may lead to a condition of terrestrial "nitrogen saturation". he subsequent increases in N exp...
|
|
|
EXPERIMENTS ON WAVE BREAKING IN STRATIFIED FLOW OVER OBSTACLES |
|
Towing-tank experiments on linearly stratified flow over three-dimensional obstacles of various shapes are described. articular emphasis is given to the parameter regimes which lea...
|
|
|
EXPERIMENTS WITH A RESIN-IN-PULP PROCESS FOR TREATING LEAD-CONTAMINATED SOIL |
|
This paper presents the results of experiments to evaluate the potential for using a resin-in-pulp process to remove lead contamination from soil. These experiments examined the ki...
|
|
|
EXPOSURE AND HUMAN HEALTH EVALUATION OF AIRBORNE POLLUTION FROM THE WORLD TRADE CENTER DISASTER |
|
In the days following the September 11, 2001, terrorist attack on New York City's World Trade Center (WTC) towers, many Federal agencies, including the U.S. Environmental Protectio...
|
|
|
EXPOSURE ASSESSMENT IMPLICATIONS FOR THE DESIGN AND IMPLEMENTATION OF THE NATIONAL CHILDREN'S STUDY |
|
Examining the influence of environmental exposures on various health indices is a critical component of the planned National Children¿s Study (NCS). An ideal strategy for the expos...
|
|
|
EXPOSURE ASSESSMENT: INPUT INTO RISK ASSESSMENT |
|
The validity of a risk assessment can be no better than that of the exposure assessment upon which it is based. he general paucity of relevant exposure data, combined with the limi...
|
|
|
EXPOSURE TO LEAD IN U.S. DRINKING WATER |
|
In the U.S., lead occurs primarily as a corrosion by-product in public drinking water supplies. hat is, its source is the corrosive action of the water upon the materials used in t...
|
|
|
EXTRACTION AND RECOVERY OF LEAD SPECIES FROM SOIL |
|
The remediation of lead contaminated soil at Superfund and urban soil is a serious concern, given the grave effects of lead exposure and the pervasive nature of the threat. he lead...
|
|
|
EXTRACTION, RECOVERY, AND BIOSTABILITY OF EDTA FOR REMEDIATION OF HEAVY METAL-CONTAMINATED SOIL. (R825549C052) |
|
Chelation removal of heavy metals from contaminated soil is seen as a viable remediation technique. A useful chelating agent should be strong, reusable, and biostable during met...
|
|
|
EXTRAPOLATION FROM IN VITRO MECHANISMS TO IN VIVO EFFECTS FOR DEVELOPMENTAL NEUROTOXICOLOGY. |
|
Processes that are critical to development of the nervous system can be altered by both genetic and epigenetic factors. Developmental exposure to neurotoxicants can alter these p...
|
|
|
Effects of atrazine (ATR), deisopropylatrazine (DIA), Diaminochlorotriazine (DACT) on the hypothalamic-pituitary-adrenal (HPA) axis in female rats |
|
We previously reported that a single dose of the herbicide ATR stimulated the HPA axis in the male rat while equimolar doses of its primary metabolite, DACT, had a minimal effect. ...
|
|
|
Ethanol and Lead Scavengers in U.S. Gasolines |
|
Powerpoint presentation on ethanol and lead scavengers in gasoline....
|
|
|
FACTORS INFLUENCING METAL ACCUMULATION BY ALGAE |
|
Shallow beds of algae (algal meanders) have proved to be highly effective at removing heavy metals and organometallics from lead-zinc mine and mill wastes. A research program was i...
|
|
|
FATE AND TRANSPORT OF EMISSIONS FOR SEVERAL TRACE METALS OVER THE UNITED STATES |
|
A regional model for atmospheric photochemistry and particulate matter is used to predict the fate and transport of five trace metals: lead, manganese, total chromium, nickel, and ...
|
|
|
FATE AND TRANSPORT OF MTBE AND OTHER GASOLINE COMPONENTS |
|
This book chapter reviews the processes and interactions that control the transport and fate of MTBE and TBA in the subsurface. It describes the transport and fate of vapors of MT...
|
|
|
FATE OF TRACE AND MINOR CONSTITUENTS OF COAL DURING GASIFICATION |
|
The report gives results of a study of the fate of selected minor and trace elements of Montana lignite and Illinois No. 6 bituminous coals during development of the HYGAS process....
|
|
|
FATE OF TRACE METALS IN A ROTARY KILN INCINERATOR WITH A SINGLE-STAGE IONIZING WET SCRUBBER - VOLUME I: TECHNICAL RESULTS |
|
A series of pilot-scale incineration tests was performed at EPA's Incineration Research Facility (IRF) in Jefferson, Arkansas, to evaluate the fate of trace metals fed to a rotary ...
|
|
|
FATE OF TRACE METALS IN A ROTARY KILN INCINERATOR WITH A SINGLE-STAGE IONIZING WET SCRUBBER - VOLUME II: APPENDICES |
|
A series of pilot-scale incineration tests was performed at EPA's Incineration Research Facility (IRF) in Jefferson, Arkansas, to evaluate the fate of trace metals fed to a rotary ...
|
|
|
FATE OF TRACE METALS IN A ROTARY KILN INCINERATOR WITH A SINGLE-STAGE IONIZING WET SCRUBBER. VOLUME 1. TECHNICAL RESULTS. |
|
A series of pilot-scale incineration tests was performed at EPA's Incineration Research Facility (IRF) in Jefferson, Arkansas, to evaluate the fate of trace metals fed to a rotary ...
|
|
|
FATE OF TRACE METALS IN A ROTARY KILN INCINERATOR WITH A VENTURI/PACKED COLUMN SCRUBBER - VOLUME I: TECHNICAL RESULTS |
|
A five week series of pilot-scale incineration tests, using a synthetic waste feed, was performed at EPA's Incineration Research Facility to evaluate the fate of trace metals fed t...
|
|
|
FATE OF TRACE METALS IN A ROTARY KILN INCINERATOR WITH A VENTURI/PACKED COLUMN SCRUBBER - VOLUME II: APPENDICES |
|
A five week series of pilot-scale incineration tests, using a synthetic waste feed, was performed at EPA's Incineration Research Facility to evaluate the fate of trace metals fed t...
|
|
|
FEASIBILITY OF FIELD STUDIES OF MULTIPOLLUTANT INTERACTIONS |
|
The author provides an overview of the problems and progress to date in studies of the respiratory health effects of multiple air pollutants. The problem arises because the prefere...
|
|
|
FEASIBILITY OF MATCHING STUDY PARTICIPANT RESIDENCE WITH SPECIFIC WATER UTILITY TRIHALOMETHANE (THM) DATA IN EPIDEMIOLOGIC STUDIES |
|
Many epidemiologic studies concerning by-products of water disinfection use utility monitoring data to estimate exposure. Use of such data requires linkage of residence location t...
|
|
|
FEASIBILITY OF ROUTE EXTRAPOLATION IN RISK ASSESSMENT |
|
For the protection of public health, it is often necessary to estimate acceptable concentrations of chemicals present in the environment when data are lacking for the appropriate r...
|
|
|
FEASIBILITY OF SILVER-LEAD MINE WASTE MANIPULATION FOR MINE DRAINAGE CONTROL |
|
The purpose of the Feasibility Study Dry Fork of Belt Creek, Montana is to examine solutions and methods of abatement of acid mine drainage problems and recommend a solution. The G...
|
|
|
FECAL BACTERIA SOURCE TRACKING AND BACTEROIDES SPP. HOST SPECIES SPECIFICITY ANALYSIS |
|
Point and non-point pollution sources of fecal pollution on a watershed adversely impact the quality of drinking source waters and recreational waters. States are required to de...
|
|
|
FIELD AND LABORATORY STUDIES FOR THE DEVELOPMENT OF EFFLUENT STANDARDS FOR THE STEAM ELECTRIC POWER INDUSTRY |
|
The report gives results of an evaluation of carbon absorption, chemical precipitation, reverse osmosis, and vapor compression distillation (VCD) as removal technologies for priori...
|
|
|
FIELD DEMONSTRATION OF LEAD PAINT ABATEMENT TECHNOLOGIES IN RESIDENTIAL HOUSING |
|
This study was conducted to demonstrate lead-based paint (LBP) removal from architectural wood components in CO2 unoccupied residential housing using four technologies: granular ca...
|
|
|
FIELD DEMONSTRATION OF LEAD-BASED PAINT REMOVAL AND INORGANIC STABILIZATION TECHNOLOGIES |
|
A study was conducted to demonstrate the effectiveness of a wet abrasive blasting technology to remove lead-based paint from exterior wood siding and brock substrates and to stabil...
|
|
|
FIELD DEMONSTRATION OF LEAD-BASED PAINT REMOVAL AND INORGANIC STABILIZATION TECHNOLOGIES (EPA/600/R-01/055) |
|
Today the most widespread source of lead exposure in the environment of U.S. children is lead-based paint that was applied to residential buildings before 1978. Exposure to lead in...
|
|
|
FIELD DEMONSTRATION OF LEAD-BASED PAINT REMOVAL AND INORGANIC STABILIZATION TECHNOLOGIES - PROJECT SUMMARY |
|
A study was conducted to demonstrate the effectiveness of a wet abrasive blasting technology to remove lead-based paint from exterior wood siding and brick substrates, and the effe...
|
|
|
FIELD DEPLOYABLE MONITORS FOR VOLATILE COMPOUNDS IN AIR |
|
Volatile organic compounds in ambient air are usually estimated by trapping them from air or collecting whole air samples and returning them to a laboratory for analysis by gas chr...
|
|
|
FIELD EVALUATION OF IN-SITU TREATMENTS TO REDUCE SOIL-LEAD BIOAVAILABILITY: INTRODUCTION & BACKGROUND |
|
The In-place Inactivation and Natural Ecological Restoration Technologies (IINERT) Soil-Metals Action Team was established in 11/95 as one of several Action Teams under the USEPA R...
|
|
|
FIELD EVALUATION OF THE IN-SITU TREATMENTS TO REDUCE SOIL LEAD BIOAVAILABILITY: CONCLUSIONS |
|
This presentation summarizes the conclusion of the technical issues associated with the Pb bioavailability experiment which IINERT has been conducting and further to illustrate tha...
|
|
|
FIELD MEASUREMENT TECHNOLOGY FOR MERCURY IN SOIL AND SEDIMENT METOREX'S X-MET 2000 X-RAY FLUORESENCE TECHNOLOGY |
|
Metorex's X-MET 2000 X-ray fluorescence analyzer was demonstrated under the U.S. Environmental Protection Agency Superfund Innovative Technology Evaluation Program in May 2003, at ...
|
|
|
FIELD MEASUREMENT TECHNOLOGY FOR MERCURY IN SOIL AND SEDIMENT NITON'S XLI/XLT 700 SERIES X-RAY FLUORESCENCE ANALYZER |
|
NITON's XL-700 Series X-ray fluorescence analyzers were demonstrated under the U.S. Environmental Protection Agency Superfund Innovative Technology Evaluation Program in May 2003 a...
|
|
|
FIELD STUDY OF THE FATE OF ARSENIC, LEAD, AND ZINC AT THE GROUND-WATER/SURFACE-WATER INTERFACE |
|
It is recognized that physical and chemical interactions between adjacent ground water and surface water bodies are an important factor impacting water budget and nutrient/contamin...
|
|
|
FIELD-DEPLOYABLE MONITORS FOR VOLATILE ORGANIC COMPOUNDS IN AIR |
|
Volatile organic compounds in ambient air are usually estimated by trapping them from air or collecting whole air samples and returning them to a laboratory for analysis by gas chr...
|
|
|
FIFTH NHEERL SYMPOSIUM FLYER -- INDICATORS IN HEALTH AND ECOLOGICAL RISK ASSESSMENT |
|
Announcement for NHEERL Fifth Symposium - Indicators in Health and Ecological Risk Assessment. The purpose of the symposium is to address assessment of risk to public health or en...
|
|
|
FIFTH NHEERL SYMPOSIUM POSTER -- INDICATORS IN HEALTH AND ECOLOGICAL RISK ASSESSMENT |
|
Poster for announcing NHEERL Fifth Symposium - Indicators in Health and Ecological Risk Assessment. The purpose of the symposium is to address assessment of risk to public health ...
|
|
|
FINAL SAMPLING REPORT FOR THE STUDY OF PERSONAL CO (CARBON MONOXIDE) EXPOSURE |
|
This report describes the sample selection procedures used for a study funded by the EPA and conducted by the Research Triangle Institute in 1982 and 1983 to evaluate methodology f...
|
|
|
FIVE-YEAR FOLLOW-UP STUDY OF CHILDREN WITH LOW-TO-MODERATE LEAD ABSORPTION: ELECTROPHYSIOLOGICAL EVALUATION |
|
Forty-nine children aged 6 to 12 years were evaluated for residual effects of lead exposure using psychometric, electrophysiological, and medical tests five years after initial ass...
|
|
|
FLAVOR AVERSIONS INDUCED BY CHLORDIMEFORM |
|
Chlordimeform is a member of the formamidine class of insecticide/acaricide with many diverse pharmacological actions. Little is known, however, about its behavioral actions, altho...
|
|
|
FOAM FLOTATION TREATMENT OF HEAVY METALS AND FLUORIDE-BEARING INDUSTRIAL WASTEWATERS |
|
Laboratory studies demonstrated that the floc foam flotation techniques are effective in removing lead, cadmium, mercury, copper, zinc, arsenic, and fluoride from dilute wastewater...
|
|
|
FOAM FLOTATION TREATMENT OF INDUSTRIAL WASTEWATERS: LABORATORY AND PILOT SCALE |
|
A floc foam flotation pilot plant reduced lead and zinc in dilute solution to very low concentrations. The results suggest a number of design improvements. A simple diffusion model...
|
|
|
FOREST MANAGEMENT AND AGROFORESTRY TO SEQUESTER AND CONSERVE ATMOSPHERIC CARBON DIOXIDE |
|
Overall, the biological opportunity to conserve and sequester carbon in the terrestrial biosphere, especially in forest systems, appears significant. ith careful planning and imple...
|
|
|
FORMATION OF BETA-HYDROXYCARBONYLS FROM THE OH RADICAL-INITIATED REACTIONS OF SELECTED ALKENES (R825252) |
|
 -Hydroxycarbonyls can be formed from the gas-phase
reactions of alkenes with the OH radical, both in the presen...
|
|
|
FORMATION OF CHLOROPYROMORPHITE IN A LEAD-CONTAMINATED SOIL AMENDED WITH HYDROXYAPATITE |
|
To evaluate conversion of soil Pb to pyromorphite, a Pb contaminated soil collected adjacent to a historical smelter was reacted with hydroxyapatite in a traditional incubation exp...
|
|
|
FORMATION PROCESSES AND CONSEQUENCES OF REACTIVE AND NON-REACTIVE MINERAL PRECIPITATES IN PERMEABLE REACTIVE BARRIERS |
|
Mineral precipitates in zero-valent iron PRBs can be classified by formation processes into three groups: 1) those that result from changes in chemical conditions (i.e., change in ...
|
|
|
FRAMEWORK FOR INORGANIC METALS RISK ASSESSMENT (EXTERNAL REVIEW DRAFT) |
|
The Agency recognizes that inorganic metals and metal compounds present unique issues and the added challenge of addressing the complexity of these issues in a consistent manner ac...
|
|
|
FULL-SCALE TESTS OF THE MULTI-CHAMBERED TREATMENT TANK (MCTT) |
|
The MCTT was developed to control toxicants on stormwater from critical source areas. During monitoring, the pilot-scale MCTT provided median reduction of >90% for toxicity, lead, ...
|
|
|
FULL-SCALE TESTS OF THE MULTI-CHAMBERED TREATMENT TANK (MCTT) |
|
The MCTT was developed to control toxicants in stormwater from critical source areas. During monitoring, the pilot-scale MCTT provided median reductions of >90% for toxicity, lead,...
|
|
|
Factors Influencing Ferrihydrite Crystallinity In Natural And Synthetic Systems |
|
Recent investigations of the structure of the mineral ferrihydrite indicate that disparities in the number of peaks observed in powder x-ray diffraction patterns can be attributed ...
|
|
|
Final Project Report for Investigation of the Influence of Temporal Variation on Active Soil Gas/Vapor Sampling |
|
Soil gas data are widely used in site investigation and remediation projects to delineate volatile organic compound (VOC) vapor plumes, as a screening tool to refine soil and groun...
|
|
|
GAP SIZE AND SUCCESSIONAL PROCESSES IN SOUTHERN APPALACHIAN FORESTS |
|
We used clearcut logging in establishing four replicated sizes of canopy openings (0.016, 0.08, 0.4, and 2.0 ha) in a southern Appalachian hardwood forest in 1981 to examine the lo...
|
|
|
GAS-PARTICLE PARTITIONING OF SEMI-VOLATILE ORGANICS ON ORGANIC AEROSOLS USING A PREDICTIVE ACTIVITY COEFFICIENT MODEL: ANALYSIS OF THE EFFECTS OF PARAMETER CHOICES ON MODEL PERFORMANCE. (R826771) |
|
The partitioning of a diverse set of semivolatile organic compounds (SOCs) on a variety of organic aerosols was studied using smog chamber experimental data. Existing data on th...
|
|
|
GASEOUS AND PARTICULATE EMISSIONS FROM GASOLINE- AND DIESEL-POWERED HEAVY-DUTY TRUCKS |
|
Gaseous and particulate emission rates from seven class 2B, one class 5 and six class 6 heavy-duty gasoline- and diesel-powered trucks were determined using transient chassis dynam...
|
|
|
GASOLINE COMPOSITION IN THE UNITED STATES (1976-2005) |
|
Gasoline composition data are collected by EPA for Clean Air Act compliance requirements, by industry for various purposes and, recently, by EPA/ORD for a compositional study (Weav...
|
|
|
GASOLINE COMPOSITION IN THE US (1976-2005) |
|
Gasoline composition data are collected by EPA for Clean Air Act compliance requirements, by industry for various purposes and, recently, by EPA/ORD for a compositional study (Weav...
|
|
|
GASOLINE COMPOSITION IN THE US (1976-2005) |
|
Gasoline composition data are collected by EPA for Clean Air Act compliance requirements, by industry for various purposes and, recently, by EPA/ORD for a compositional study (Weav...
|
|
|
GASOLINE COMPOSITION, ETHERS, ETHANOL, AND LEAD SCAVENGERS IN 2007 |
|
Slide presentation presented at the 18th Annual Alabama UST Assessment and Remediation Conference, September 2007....
|
|
|
GENDER BASED DIFFERENCES IN ENDOCRINE AND REPRODUCTIVE TOXICITY |
|
Basic differences in male versus female reproductive physiology lead to differentials in their respective susceptibilities to chemical insult as evidenced by a variety of observati...
|
|
|
GENE INDUCTION STUDIES AND TOXICITY OF CHEMICAL MIXTURES |
|
As part of its mixtures program the Agency for Toxic Substances and Disease Registry (ATSDR) supports in vitro and limited in vivo toxicity testing to further our understanding of ...
|
|
|
GENE-ENVIRONMENT INTERACTIONS: A REVIEW OF EFFECTS ON REPRODUCTION AND DEVELOPMENT |
|
Polymorphisms in genes can lead to differences in the level of susceptibility of individuals to potentially adverse effects of environmental influences, such as chemical exposure, ...
|
|
|
GENE-TOX CARCINOGENS AND NON-CARCINOGENS: AN ANALYSIS OF SHORT-TERM BIOASSAYS IN GENETIC TOXICOLOGY |
|
The Gene-Tox Carcinogen Data Base is an evaluated source of cancer data on 506 chemicals selected in part for their previous assessment in genetic toxicology bioassays. The data ba...
|
|
|
GENERAL MASS-CONSERVATIVE NUMERICAL SOLUTION FOR THE UNSATURATED FLOW EQUATION |
|
Numerical approximations based on different forms of the governing partial differential equation can lead to significantly different results for unsaturated flow problems. umerical...
|
|
|
GENERATION OF SOIL SOLUTION ACID NEUTRALIZING CAPACITY BY ADDITION OF DISSOLVED INORGANIC CARBON |
|
A Spodosol B horizon(base saturation of 5.4%) collected at the Watershed Manipulation Project site at Lead Mountain, ME, was used to examine soil solution chemistry in response to ...
|
|
|
GENETIC-BASED ANALYTICAL METHODS FOR BACTERIA AND FUNGI |
|
In the past two decades, advances in high-throughput sequencing technologies have lead to a veritable explosion in the generation of nucleic acid sequence information (1). While th...
|
|
|
GENOMIC ANALYSIS OF PTU-INDUCED HYPOTHYROIDISM IN RAT HIPPOCAMPUS. |
|
Propylthiouracil (PTU) exposure results in depletion of thyroid hormone by blocking its synthesis. It often is used to study the effects of hypothyroidism in the brain, where defi...
|
|
|
GEOGRAPHICAL DISTRIBUTION AND SOURCE TYPE ANALYSIS OF TOXIC METAL EMISSIONS |
|
An interim toxic emission inventory has been developed for the conterminous United States. even toxic metals found in lake and coastal waters are included: rsenic, cadmium, chromiu...
|
|
|
GEOMORPHIC CONTROLS ON MEADOW ECOSYSTEMS IN THE CENTRAL GREAT BASIN |
|
Wet meadows, riparian corridor phreatophyte assemblages, and high-altitude spring-fed aspen meadows comprise a very small percentage of the total landscape of the mountain ranges i...
|
|
|
GEOSTATISTICAL ANALYSIS OF PALMERTON SOIL SURVEY DATA |
|
The paper describes statistical and geostatistical analyses of data from a soil sampling survey. Soil sampling was performed, in October and November 1985, to obtain information on...
|
|
|
GEOTHERMAL EFFLUENT SAMPLING WORKSHOP |
|
This report outlines the major recommendations resulting from a workshop to identify gaps in existing geothermal effluent sampling methodologies, define needed research to fill tho...
|
|
|
GLOBAL CARBON CYCLE AND CLIMATE CHANGE: RESPONSES AND FEEDBACKS FROM BELOW-GROUND SYSTEMS |
|
According to most global climate models, a continued build-up of OC2 and other greenhouse gases will lead to significant changes in temperature and precipitation patterns over larg...
|
|
|
GLOBAL TRANSCRIPTION PROFILING REVEALS DIFFERENTIAL RESPONSES TO CHRONIC NITROGEN STRESS AND PUTATIVE NITROGEN REGULATORY COMPONENTS IN ARABIDOPSIS |
|
Background: A large quantity of nitrogen (N) fertilizer is used for crop production to achieve high yields at a significant economic and environmental cost. Efforts have been direc...
|
|
|
GLUTAMATERGIC COMPONENTS UNDERLYING LEAD-INDUCED IMPAIRMENTS IN HIPPOCAMPAL SYNAPTIC PLASTICITY |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
GLUTAMATERGIC COMPONENTS UNDERLYING LEAD-INDUCED IMPAIRMENTS IN HIPPOCAMPAL SYNAPTIC PLASTICITY. |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
GLYCERALDEHYDE 3-PHOSPHATE DEHYDROGENASE-S, A SPERM-SPECIFIC GLYCOLYTIC ENZYME, IS REQUIRED FOR SPERM MOTILITY AND MALE FERTILITY |
|
While glycolysis is highly conserved, it is remarkable that several novel isozymes in this central metabolic pathway are found in mammalian sperm. Glyceraldehyde 3-phosphate dehyd...
|
|
|
GREAT LAKES BEACH CLOSURES: USING SATELLITE IMAGES TO IDENTIFY AREAS AT RISK |
|
Are people getting sick from swimming at Great Lakes beaches? Some are. According to the Centers for Disease Control and Prevention, swimmers are experiencing an increase in bacte...
|
|
|
GREAT SMOKY MOUNTAIN PRELIMINARY STUDY FOR BIOSPHERE RESERVE POLLUTANT MONITORING |
|
A presampling of physical and biological media at preselected locations on the Great Smoky Mountains Biosphere Reserve was completed. The media collected, which included air, water...
|
|
|
GREEN CITY PARTNERSHIPS: A GUIDE FOR SUCCESSFUL ENVIRONMENTAL PARTNERSHIPS; SUSTAINABILITY AND BEST PRACTICES |
|
Cities with a green reputation are successful in promoting economic growth, cultural vibrancy, job creation and quality of life. Parents see such cities as desirable places to rais...
|
|
|
GREEN REACTION CHEMISTRIES PERFORMED IN THE SPINNING TUBE-IN-TUBE (STT) REACTOR |
|
The U. S. Environmental Protection Agency (USEPA) and Kreido Laboratories have established a Cooperative Research and Development Agreement (CRADA) collaboration, to develop and co...
|
|
|
GREEN REACTION CHEMISTRIES PERFORMED IN THE SST REACTOR |
|
The U. S. Environmental Protection Agency (USEPA) and Kreido Laboratories have established a Cooperative Research and Development Agreement (CRADA) collaboration, to develop an...
|
|
|
GROUND WATER ARSENIC AND METALS TREATMENT USING A COMBINATION COMPOST-ZVI PRB |
|
A pilot permeable reactive barrier (PRB) consisting of a mixture of leaf compost, zero-valent iron (ZVI), limestone and pea gravel was installed at a former phosphate fertilizer ma...
|
|
|
GROUNDWATER QUALITY MONITORING OF WESTERN OIL SHALE DEVELOPMENT: IDENTIFICATION AND PRIORITY RANKING OF POTENTIAL POLLUTION SOURCES |
|
This report presents the development of a preliminary priority ranking of potential pollution sources with respect to groundwater quality and the associated pollutants for oil shal...
|
|
|
GUIDELINES FOR MUTAGENICITY RISK ASSESSMENT |
|
The guidelines published today are products of a two-year Agency-wide effort, which has included many scientists from the larger scientific community. These guidelines set forth pr...
|
|
|
GUIDELINES FOR NEUROTOXICITY RISK ASSESSMENT |
|
The Guidelines for Neurotoxicity Risk Assessment continue the guidelines development process initiated in 1984. These Guidelines set forth principles and procedures to guide EPA sc...
|
|
|
Greener and Sustainable Approaches to the Synthesis of Pharmaceutically Active Heterocycles |
|
Green chemistry is a rapidly developing field providing a proactive avenue for the sustainable development of future science and technology. Green chemistry can be applied to the d...
|
|
|
HAZARDOUS WASTE INCINERATION: THE IN-SITU CAPTURE OF LEAD BY SORBENTS IN A LABORATORY DOWNFLOW COMBUSTOR |
|
The paper discusses experiments on a 17-kW downflow combustor to determine how sorbent injection into the postflame influenced the particle size distribution of a lead (Pb) aerosol...
|
|
|
HEALTH AND ENVIRONMENTAL CONSEQUENCES OF THE WORLD TRADE CENTER DISASTER |
|
The attack on the World Trade Center (WTC) created an acute environmental disaster of enormous magnitude. This study characterizes the environmental exposures resulting from destru...
|
|
|
HEALTH AND ENVIRONMENTAL EFFECTS PROFILE FOR LEAD ALKYLS |
|
The Health and Environmental Effects Profile for lead alkyls was prepared by the Office of Health and Environmental Assessment, Environmental Criteria and Assessment Office, Cincin...
|
|
|
HEALTH AND ENVIRONMENTAL IMPACT OF NANOTECHNOLOGY: TOXICOLOGICAL ASSESSMENT OF MANUFACTURED NANOPARTICLES |
|
The microtechnology of the second half of the 20th century has produced a technical revolution that has lead to the production of computers, the Internet and taken us into a new em...
|
|
|
HEALTH ASSESSMENT DOCUMENT FOR NICKEL AND NICKEL COMPOUNDS. FINAL REPORT |
|
The predominant atmospheric forms of nickel are as sulfate, oxides, and complex oxides. Nickel also occurs in ambient and drinking waters and soils. Routes of intake for man are in...
|
|
|
HEALTH ASSESSMENT DOCUMENT FOR NICKEL. FINAL REPORT |
|
Nickel is found in nature as a component of silicate, sulfide, or, occasionally arsenide ores. It is a valuable mineral commodity because of its resistance to corrosion. Uses for n...
|
|
|
HEALTH EFFECTS ASSESSMENT FOR LEAD |
|
The document represents a brief, quantitatively oriented scientific summary of health effects data. It was developed by the Environmental Criteria and Assessment Office to assist t...
|
|
|
HEALTH EFFECTS OF CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER IN INNER MONGOLIA: VI. DEVELOPMENTAL EFFECTS. |
|
HEALTH EFFECTS OF CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER IN INNER MONGOLIA:
VI. DEVELOPMENTAL EFFECTS
Richard K. Kwok, M.S.P.H., Judy L. Mumford, Ph.D., Pauline ...
|
|
|
HEALTHCARE ENVIRONMENTAL ASSISTANCE RESOURCES: POLLUTION PREVENTION AND COMPLIANCE ASSISTANCE FOR HEALTHCARE FACILITIES |
|
This CD ROM is a result of several healthcare guidance documents coming into existence around the same time and the need for one tool where healthcare facilities could have access ...
|
|
|
HEAVY METAL CONTAMINATION IN THE TAIMYR PENINSULA, SIBERIAN ARCTIC |
|
The Taimyr Peninsula is directly north of the world's largest heavy metal smelting complex (Norilsk, Russia). Despite this proximity, there has been little research to examine the ...
|
|
|
HEAVY METAL POLLUTION FROM SPILLAGE AT ORE SMELTERS AND MILLS |
|
Smelter and mill wastewater outfalls, receiving water, biota, slag heaps, tailings ponds, streams, and coal-burning fly ash dumps were sampled as part of this effort to determine t...
|
|
|
HEAVY METALS IN RECOVERED FINES FOR CONSTRUCTION AND DEMOLITION DEBRIS RECYCLING FACILITIES IN FLORIDA |
|
A major product recovered from the processing and recycling of construction and demolition (C&D) debris is screened soil, also referred to as fines. A proposed reuse option for C&D...
|
|
|
HELMINTH AND HEAVY METALS TRANSMISSION FROM ANAEROBICALLY DIGESTED SEWAGE SLUDGE |
|
This report discusses a study designed to determine the practical survival and transmission of the ova of the nematode worm Ascaris sp. through a modern sewage and sludge treatment...
|
|
|
HEPATIC METABOLISM OF THE ENVIRONMENTAL MUTAGEN 2-NITROFLUORANTHENE |
|
2-Nitrofluoranthene has recently been demonstrated to be the most abundant nitrated fluoranthene in organic extracts of ambient air particulate matter collected both in Philadelphi...
|
|
|
HIGH RESOLTUION GEOELECTRICAL MEASUREMENTS OF BIODEGRADATION AND SURFACTANT REMEDIATION: LAB AND FIELD STUDES AND A NEW CHARACTERIZATION TEST CELL FIELD RESEARCH SITE |
|
Laboratory and field high vertical resolution geophysical research has shown that geoelectrical measurements can detect and monitor the natural attenuation of petroleum hydrocarbon...
|
|
|
HIGH SPATIAL RESOLUTION SATELLITE REMOTE SENSING FOR PLANNING AND LOCATING ANIMAL FEEDING OPERATIONS |
|
Surface runoff of animal waste and its infiltration into groundwater can pose a number of risks to water quality mainly because of the amount of animal manure and wastewater th...
|
|
|
HIGH TEMPERATURE SORPTION OF CESIUM AND STRONTIUM ON DISPERSED KAOLINITE POWDERS |
|
Sorption of cesium and strontium on kaolinite powders was investigated as a means to minimize the emissions of these metals during certain high-temperature processes currently bein...
|
|
|
HIGHWAY MOTOR VEHICLES AS SOURCES OF ATMOSPHERIC PARTICLES: PROJECTED TRENDS 1977 TO 2000 |
|
Highway motor vehicle emissions contribute to the total atmospheric particulate burden. The possible health and welfare effects of these emissions depend upon their composition and...
|
|
|
HISTORICAL ANALYSIS, A VALUABLE TOOL IN COMMUNITY-BASED ENVIRONMENTAL PROTECTION |
|
A historical analysis of the ecological consequences of development can be a valuable tool in community-based environmental protection. These studies can engage the public in envir...
|
|
|
HISTORY OF BIOMONITORING IN THE UNITED STATES - EXTENDED ABSTRACT |
|
Biomonitoring of ecological systems has a long history dating back several centuries when high levels of industrial and urban pollution caused discolored rivers, noxious smells, fi...
|
|
|
HOMEOTHERMY: DOES IT IMPEDE THE RESPONSE TO CELLULAR INJURY |
|
Homeostasis of core temperature is considered to be one of the most precise regulatory processes. n this paper it is postulated that homeothermy is so effective, especially in spec...
|
|
|
HOMOGENEOUS CATALYSTS FOR THE PARTIAL-OXYGENATION OF SATURATED HYDROCARBONS WITH HYDROGEN PEROXIDE |
|
The development of catalysts with the capacity to activate green oxidants, such as hydrogen peroxide and molecular oxygen, can offer an environmentally sound pathway for hydrocarbo...
|
|
|
HOT RESEARCH TOPICS FOR LEAD CONTROL |
|
This presentation is a review of important new concepts and research results that state regulators, utilities and consultants should be aware of. The topics covered include samplin...
|
|
|
HOUSTON URBAN PLUME STUDY, 1974. MICROSCOPICAL IDENTIFICATION OF COLLECTED AEROSOLS |
|
An urban plume study was conducted in Houston during July 1974 to gain preliminary data on the concentration and composition of primary and secondary aerosols contributing to Houst...
|
|
|
HOW CAN BIOLOGICALLY-BASED MODELING OF ARSENIC KINETICS AND DYNAMICS INFORM THE RISK ASSESSMENT PROCESS? |
|
Quantitative biologically-based models describing key events in the continuum from arsenic exposure to the development of adverse health effects provide a framework to integrate in...
|
|
|
HOW CHEMICALLY STABLE IS STABILIZED HAZARDOUS WASTE? |
|
Section 121 of CERCLA's 1986 amendments calls for hazardous waste site remediations to permanently and significantly reduce the volume, toxicity, and mobility of hazardous substanc...
|
|
|
HOW FAR TO THE NEAREST ROAD? |
|
Increases in impervious surface area lead to declines in chemical and biological indicators of water quality .Roads are an important aspect of impervious surface, and distance to r...
|
|
|
HOW GOOD ARE AMBIENT AIR POLLUTION MEASUREMENTS |
|
In accordance with Federal regulations, state and local air pollution control agencies have, since January 1, 1981, been performing special checks of their ambient air measurement ...
|
|
|
HUMAN ACTIVITIES THAT MAY LEAD TO HIGH INHALED INTAKE DOSES IN CHILDREN AGED 6-13 |
|
The paper focuses on possible activities of children aged 6-13 that may make them susceptible to high hourly intake doses of ozone (O3) air pollution. Data from an O3 exposure m...
|
|
|
HUMAN HEALTH IMPACTS OF EXPOSURE TO POPS |
|
The Stockholm Convention on persistent organic pollutants (POPs) was adopted in 2001 to protect human health and the environment from chemicals that are highly toxic, persistent, b...
|
|
|
HUMAN SCALP HAIR: AN ENVIRONMENTAL EXPOSURE INDEX FOR TRACE ELEMENTS. I. FIFTEEN TRACE ELEMENTS IN NEW YORK, N.Y. (1971-72) |
|
Previous studies have revealed that hair trace element concentrations can reflect exposure in cases of frank poisoning and deficiency. Correlations have been found also in some pop...
|
|
|
HUMAN SCALP HAIR: AN ENVIRONMENTAL EXPOSURE INDEX FOR TRACE ELEMENTS. II. SEVENTEEN TRACE ELEMENTS IN FOUR NEW JERSEY COMMUNITIES (1972) |
|
Seventeen trace elements - arsenic (As), barium (Ba), boron (B), cadmium (Cd), chromium (Cr), copper (Cu), Iron (Fe), lead (Pb), lithium (Li), manganese (Mn), mercury (Hg), nickle ...
|
|
|
HUMAN SCALP HAIR: AN ENVIRONMENTAL EXPOSURE INDEX FOR TRACE ELEMENTS. III. SEVENTEEN TRACE ELEMENTS IN BIRMINGHAM, ALABAMA AND CHARLOTTE, NORTH CAROLINA (1972) |
|
Seventeen trace elements - arsenic (As), barium (Ba), boron, (B), cadmium, (Cd), chromium (Cr), copper (Cu), Iron (Fe), lead (Pb), lithium (Li), manganese (Mn), mercury (Hg), nicke...
|
|
|
HUMORAL AND CELL MEDIATED IMMUNE FUNCTION IN MICE EXPOSED TO PERFLUOROOCTANOIC ACID AS ADULTS |
|
Perfluorooctanoic acid (PFOA) is used in the manufacture of fluoropolymers, and may be formed by metabolism or degradation of other perfluoroalkyl acids and fluorotelomers. Safety...
|
|
|
HYDRAULIC REDISTRIBUTION OF SOIL WATER BY ROOTS IN FORESTS OF THE PACIFIC NORTHWEST |
|
One aspect of structural complexity of forest canopies is the root system structure belowground, which influences patterns of soil water utilization by trees. Deeply rooted trees ...
|
|
|
HYDROGENATION OF 4-OXOISOPHORONE IN SUPERCRITICAL CO2 MEDIUM OVER ALUMINA SUPPORTED PALLADIUM CATALYST |
|
Ketoisophorone or 4-oxoisophorone (2,6,6-trimethyl-cyclohex-2-ene-1,4-dione) is a cyclic enedione of tremendous industrial importance due to its use as a key intermediate in the sy...
|
|
|
HYDROLOGIC CONDITIONS AFFECTING THE TROPOSPHERIC FLUX OF VINCLOZOLIN AND ITS DEGRADATION PRODUCTS |
|
A laboratory chamber was used to determine hydrologic conditions that lead to the tropospheric flux of a suspected anti-androgenic dicarboximide fungicide, vinclozolin (3-(3,5-di...
|
|
|
HYGIENE AND FOOD RELATED BEHAVIORS ASSOCIATED WITH BLOOD LEAD LEVELS OF YOUNG CHILDREN FROM LEAD CONTAMINATED HOMES. |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
HYGIENE-AND FOOD-RELATED BEHAVIORS ASSOCIATED WITH BLOOD LEAD LEVELS OF YOUNG CHILDREN FROM LEAD-CONTAMINATED HOMES |
|
Exposures associated with blood lead levels greater than 40 ug/dl in young children who live in lead-contaminated homes have been well documented. As the action level for lead is r...
|
|
|
HYPOTHESIS TESTING WITH THE SIMILARITY INDEX |
|
Mulltilocus DNA fingerprinting methods have been used extensively to address genetic issues in wildlife populations. Hypotheses concerning population subdivision and differing leve...
|
|
|
IDENTIFICATION AND DISTRIBUTION OF INORGANIC COMPONENTS IN WATER: WHAT TO MEASURE |
|
The chemical forms of inorganic components in water are widely varied and range from simple aquo complexes in solution to complicated silicate minerals in suspension. A variety of ...
|
|
|
IDENTIFICATION AND RESPONSES TO POTENTIAL EFFECTS OF SCR AND WET SCRUBBERS ON SUBMICRON PARTICULATE EMISSIONS AND PLUME CHARACTERISTICS |
|
Applications of selective catalytic reduction (SCR) systems and wet flue gas desulfurization (FGD) scrubbers on coal-fired boilers have led to substantial reductions in emissions o...
|
|
|
IDENTIFICATION OF EARLY MOLECULAR EVENTS AFTER PEROXISOME PROLIFERATOR EXPOSURE IN THE RODENT LIVER |
|
Peroxisome proliferators (PP) are a large class of structurally diverse chemicals that mediate their effects in the liver mainly through the PP-activated receptor α(PPARα). De...
|
|
|
IDENTIFYING THE CAUSE OF HIGH CONCENTRATIONS OF TBA IN GROUNDWATER AT GASOLINE SPIILL SITES IN ORANGE COUNTY, CALIFORNIA |
|
Monitoring at gasoline spills in Orange County, California has revealed that TBA (tertiary butyl alcohol) is often present at high concentrations in ground water. To manage the ha...
|
|
|
IMMUNE STATUS IN NEWBORNS AND THEIR VULNERABILITY |
|
The most profound toxic effects of many physical and chemical agents are observed when exposure occurs during mammalian development. The development of immunocompetence in mammals ...
|
|
|
IMMUNE SYSTEM MATURITY AND SENSITIVITY TO CHEMICAL EXPOSURE |
|
It is well established that human diseases associated with abnormal immune function, including some common infectious diseases and asthma, are considerably more prevalent at younge...
|
|
|
IMMUNOTOXICOGENOMICS: THE POTENTIAL OF GENOMICS TECHNOLOGY IN THE IMMUNOTOXICITY RISK ASSESSMENT PROCESS |
|
Evaluation of xenobiotic-induced changes in gene expression as a method to identify and classify potential toxicants is being pursued by industry and regulatory agencies worldwide....
|
|
|
IMPACT OF LEAD ACID BATTERIES AND CADMIUM STABILIZERS ON INCINERATOR EMISSIONS |
|
The Waste Analysis Sampling, Testing and Evaluation (WASTE) Program is a multi-year, multi-disciplinary program designed to elicit the source and fate of environmentally significan...
|
|
|
IMPACT OF LEAD AND OTHER METALLIC SOLDERS ON WATER QUALITY |
|
A study of the relationship between water quality at the consumer's taps and the corrosion of lead solder was conducted under actual field conditions in 90 homes supplied by public...
|
|
|
IMPACT OF NEARSTREAM VEGETATION AND STREAM MORPHOLOGY ON WATER QUALITY AND STREAM BIOTA |
|
As man modifies watersheds by removal of natural vegetation and stream channelization, disequilibria in both the terrestrial and aquatic environments result. These disequilibria ar...
|
|
|
IMPACT OF PH AND LEAD COMPOSITION ON METAL LEACHED FROM BRASS COUPONS |
|
Water sampling and monitoring requirements under the Lead and Copper Rule specify one liter samples taken at the consumers tap following at least 6 hours of stagnation. robable dir...
|
|
|
IMPACT OF STAGNATION TIME ON METAL DISSOLUTION FROM PLUMBING MATERIALS IN DRINKING WATER |
|
Studies were conducted to evaluate the impact of stagnation period on the metal dissolution from plumbing materials including lead, copper and brass. Experimental data showed that ...
|
|
|
IMPACT OF SUBMERSIBLE PUMPS ON PB CONSTITUENTS IN RESIDENTIAL WELLS |
|
Dissolved lead in 51 domestic wells screened from 18 m to 48 m in glacial tills and outwash deposits were examined, from archived samples collected during 2001-2004, in conjunction...
|
|
|
IMPACT OF THE FEDERAL TAX CODE ON RESOURCE RECOVERY |
|
The study assessed the extent to which a variety of federal tax subsidies to extractive industries effect the flow of materials to competing secondary materials industries. The imp...
|
|
|
IMPACT OF THE FEDERAL TAX CODE ON RESOURCE RECOVERY. A CONDENSATION |
|
The report assesses the extent to which a variety of federal tax subsidies to extractive industries affect the flow of materials from competing secondary materials industries. The ...
|
|
|
IMPAIRMENT OF SYNAPTIC FUNCTION BY EXPOSURE TO LEAD. |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
IMPLEMENTATION OF QUALITY ASSURANCE OF MULTILABORATORY STUDIES WITHIN THE US EPA |
|
Implementation of Quality Assurance on Multilaboratory Studies Within the U. S. EPA
Thomas J. Hughes1, Brenda Culpepper1, Nancy Adams2, and John Martinson3, 1National Health an...
|
|
|
IMPORTANCE OF PHYSICAL SCALING FACTORS TO BENTHIC MARINE INVERTEBRATE RECOLONIZATION OF LABORATORY MICROCOSMS |
|
Five laboratory studies of benthic macroinvertebrate recolonization were conducted for 6-wk periods to evaluate the effects of physical factors (i.e., microcosm size, seawater flow...
|
|
|
IMPROVED POLLUTANT MANAGEMENT IN URBAN STORMWATER BMPS |
|
Increased urbanization has resulted in a larger percentage of impervious areas that produce large quantities of stormwater runoff and contribute significant amounts of debris and p...
|
|
|
IMPROVING WATERBORNE DISEASE OUTBREAK INVESTIGATIONS |
|
This article summarizes the discussions and conclusions of a workshop held December 7-8, 1998, to consider the inherent limitations and weaknesses of waterborne outbreak investigat...
|
|
|
IN SITU BIO TRANSFORMATION OF MERCURY-CONTAMINATED GROUNDWATER IN KAZAKHSTAN UTILIZING NATIVE BACTERIA |
|
Several regions in the Republic of Kazakhstan and throughout the former USSR are contaminated with mercury resulting from industrial releases. Our studies conducted under the ISTC ...
|
|
|
IN LCA INTERNATIONAL CONFERENCE & EXHIBITION ON LIFE-CYCLE ASSESSMENT: TOOLS FOR SUSTAINABILITY |
|
LCA is being developed and applied internationally by corporations, governments, and environmental groups to incorporate environmental concerns into the decision-making process. I...
|
|
|
IN SITU ANALYSIS OF CORROSIVE AND PASSIVE SURFACES BY LASER-EXCITED RAMAN SPECTROSCOPY |
|
From both laboratory and field investigations it has been found that protective films can be formed or deposited on lead and asbestos-cement pipes. The purpose of the present proje...
|
|
|
IN SITU LEAD IMMOBILIZATION BY APATITE |
|
Lead contamination is of environmental concern due to its effect on human health. he purpose of this study was to develop a technology to immobilize Pb in situ in contaminated soil...
|
|
|
IN SITU LEAD IMMOBILIZATION BY APATITE |
|
Lead contamination is of environmental concern due to its effect on human health. The purpose of this study was to develop a technology to immobilize Pb in situ in contami...
|
|
|
IN SITU SOIL TREATMENTS TO REDUCE THE PHYTO- AND BIOAVAILABILITY OF LEAD, ZINC, AND CADMIUM |
|
A study was established in Joplin, MO near a former Pb smelter to test a range of treatments to reduce the avialability of Pb, Zn, and Cd in situ. Soil from the field was incubate...
|
|
|
IN VITRO DERMAL ABSORPTION OF PYRETHROID PESTICIDES IN RAT AND HUMAN SKIN |
|
Pyrethriods are a class of neurotoxic pesticides and their use may lead to dermal exposure. This study examined the in vitro dermal absorption of pyrethroids in rat and human skin...
|
|
|
INCINERATION DATA ON ARSENIC AND LEAD EMISSIONS |
|
Since 1988, nine test programs have been conducted at the Environmental Protection Agency Incineration Research Facility aimed at evaluating the fate of trace metals in the rotary ...
|
|
|
INCINERATION TREATMENT OF ARSENIC-CONTAMINATED SOIL |
|
An incineration test program was conducted at the US Environmental Protection Agency's Incineration Research Facility to evaluate the potential of incineration as a treatment optio...
|
|
|
INCORPORATING CONCENTRATION DEPENDENCE IN STABLE ISOTOPE MIXING MODELS |
|
Stable isotopes are frequently used to quantify the contributions of multiple sources to a mixture; e.g., C and N isotopic signatures can be used to determine the fraction of three...
|
|
|
INCORPORATION OF MOLECULAR ENDPOINTS INTO QUANTITATIVE RISK ASSESSMENT |
|
The U.S. Environmental Protection Agency has recently released its Guidelines for Carcinogen Risk Assessment. These new guidelines benefit from the significant progress that has be...
|
|
|
INCREASED AIRWAYS INFLAMMATION AND MODIFIED BAL CELL SURFACE PHENOTYPES IN ASTHMATICS EXPOSED TO COARSE SIZE (PM2.5-10) CONCENTRATED AMBIENT PARTICLES (CAPS) |
|
Although associations between inhalation of PM10 and disease morbidity and mortality appear stronger for fine (PM2.5) vs coarse (PM2.5-10) or ultrafine/UF (PM<0.1) PM. In vitro stu...
|
|
|
INDOOR AIR: REFERENCE BIBLIOGRAPHY |
|
The U.S. Environmental Protection Agency initially established the indoor air Reference Bibliography in 1987 as an appendix to the Indoor Air Quality Implementation Plan. That docu...
|
|
|
INDOOR AND OUTDOOR PM10 AND ASSOCIATED METALS AND PESTICIDES IN ARIZONA |
|
The National Human Exposure Assessment Survey study in Arizona (AZ NHEXAS) sampled trace metals in multimedia in and outside of 176 representative homes in Arizona. PM10 was col...
|
|
|
INDUCTION OF SKIN PAPILLOMAS IN THE SENCAR MOUSE AS A TIER 2 CARCINOGENESIS BIOASSAY |
|
The Toxic Substances Control Act mandates the testing of industrial chemicals for which insufficient evidence of safety exists. One of the more critical areas in chemical carcinoge...
|
|
|
INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRIC DETERMINATION OF LEAD ISOTOPES |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
INDUSTRIAL POLLUTION PREVENTION OPPORTUNITIES FOR THE 1990S |
|
A set of criteria was developed for the purpose of subjectively prioritizing industry segments for their pollution prevention potential and their opportunity for improvement. Using...
|
|
|
INDUSTRIAL POLLUTION PREVENTION OPPORTUNITIES FOR THE 1990S |
|
A set of criteria was developed for the purpose of subjectively prioritizing industry segments for their pollution prevention potential and their opportunity for improvement. sing ...
|
|
|
INDUSTRIAL PROCESS PROFILES FOR ENVIRONMENTAL USE: CHAPTER 27 PRIMARY LEAD INDUSTRY |
|
The primary lead industry as defined for this study consists of mining, beneficiation, smelting, and refining. A profile of the industry is given including plant locations, capacit...
|
|
|
INFERRING WILLINGNESS TO PAY FOR HOUSING AMENITIES FROM RESIDENTIAL PROPERTY VALUES |
|
The report describes a new model of consumers' choices in housing markets that incorporates three heretofore overlooked market considerations. The new model has been tested econome...
|
|
|
INFLUENCE OF AGING ON PYROMORPHITE FORMATION AND DISSOLUTION |
|
Published literature has clearly demonstrated that the reaction of a lead (Pb) source as either Pb-minerals (angelesite, cerrusite, or galena), goethite adsorbed lead, Pb-contamina...
|
|
|
INFLUENCE OF DIFFERENT WATER MASSES AND BIOLOGICAL ACTIVITY ON DIMETHYLSULPHIDE AND DIMETHYLSULPHONIOPROPIONATE IN THE SUBANTARCTIC ZONE OF THE SOUTHERN OCEAN DURING ACE-1 |
|
Measurements of salinity, temperature, phytoplankton biomass and speciation, dissolved nitrate, dimethylsulphide (DMS) in seawater and air, and dimethylsulphoniopropionate (DMSP), ...
|
|
|
INFLUENCE OF ENDOCRINE DISRUPTING COMPOUNDS (EDCS) ON MAMMARY GLAND DEVELOPMENT AND TUMOR SUSCEPTIBILITY |
|
Influence of Endocrine Disrupting Compounds (EDCs) on Mammary Gland Development and Tumor Susceptibility.
Suzanne E. Fenton1, and Jennifer Rayner1,2
1 Reproductive T...
|
|
|
INFLUENCE OF EXPOSURE PERIOD ON IN VIVO HIPPOCAMPAL GLUTAMATE AND GABA RELEASE IN RATS CHRONICALLY EXPOSED TO LEAD |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
INFLUENCE OF EXPOSURE PERIOD ON THE IN VIVO HIPPOCAMPAL GLUTAMATE AND GABA RELEASE IN RATS CHRONICALLY EXPOSED TO LEAD. |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
INFLUENCE OF LOWERED SALINITY AND ELEVATED CADMIUM ON THE SURVIVAL AND METAMORPHOSIS OF TROCHOPHORES IN CAPITELLA SP. I |
|
It is well known that the competent larvae of many marine invertebrate species can be stimulated to metamorphose by exposing them to elevated concentrations of certain ions, neuroa...
|
|
|
INFLUENCE OF SEDIMENT EXTRACT FRACTIONATION METHODS ON BIOASSAY RESULTS |
|
Four bioassays [Microtax(tm), Mutatox(tm), sister chromatid exchange (SCE), and metabolic cooperation] were used to analyze marine sediment extracts fractionated by two different m...
|
|
|
INFLUENCE OF THE TIME OF ACIDIFICATION AFTER SAMPLE COLLECTION ON THE PRESERVATION OF DRINKING WATER FOR LEAD DETERMINATION |
|
It has been suggested that to obtain accurate data for trace metal analysis of drinking water, immediate acidification at the time of collection is necessary. However, because of p...
|
|
|
INHIBITION OF BRAIN CHOLINESTERASE AND THE PHOTIC AFTER DISCHARGE OF FLASH EVOKED POTENTIALS PRODUCED BY CARBARYL IN LONG EVANS RATS. |
|
Carbaryl is a widely used N-methyl carbamate pesticide that acts by inhibiting cholinesterases (ChE), which may lead to cholinergic toxicity. Flash evoked potentials (FEPs) are a n...
|
|
|
INNOVATIVE ENVIRONMENTAL EDUCATION CONTRIBUTES TO IMPROVED MANAGEMENT PRACTICES IN THE MID-ATLANTIC |
|
EPA and other federal agencies have conducted considerable research in the Mid-Atlantic region. EPA's Science to Achieve Results (STAR) program funds academic scientists and engin...
|
|
|
INORGANIC SPECIES IN WATER: ECOLOGICAL SIGNIFICANCE AND ANALYTICAL NEEDS. A LITERATURE REVIEW |
|
Representative studies of the environmental significance of inorganic species (as opposed to total-element content) in water are reviewed. The effects of chemical forms on human he...
|
|
|
INSIDE IAQ (SPRING/SUMMER 2001) |
|
The newsletter discusses results of research on volatile organic compound (VOC) emissions from photocopier toners, hazardous air pollutants (HAPs) emitted by shower curtains, asthm...
|
|
|
INSIGHTS INTO THE CARCINOGENIC MODE OF ACTION OF ARSENIC |
|
That arsenic can induce cancer in humans has been known since the late 17th century, yet how arsenic induces cancer has been the subject of numerous scientific publications. Vario...
|
|
|
INSPECTION AND OPERATING AND MAINTENANCE GUIDELINES FOR SECONDARY LEAD SMELTER AIR POLLUTION CONTROL |
|
The prevention of emissions from secondary lead smelters depends upon the procedures implemented to achieve initial compliance and remain in a state of continuing compliance with a...
|
|
|
INTEGRATING QA PRINCIPLES WITH BASIC ELEMENTS OF A RESEARCH PROGRAM PROMOTES QUALITY SCIENCE IN A NON-GLP RESEARCH LABORATORY |
|
Much of the research conducted at the U.S. Environmental Protection Agency's (EPA's) Health Effects Research Laboratory (HERL) located in Research Triangle Park, NC, involves "pilo...
|
|
|
INTERACTION AND IMPACTS OF THE DETROIT RIVER ON LAKE ERIE |
|
This preliminary modeling effort synthesizes information collected by the US EPA Great Lakes National Program Office project and collaborators over the past 4 years and is pursuant...
|
|
|
INTERACTION OF METALS AND ORGAINIC CARBON COLLOIDS IN ANOXIC INTERSTITIAL WATERS OF MARINE SEDIMENTS |
|
Marine colloids are an important component of natural water geochemistry critical to the cycling, speciation and bioavailability of metals in marine sediments. In sediment, metals ...
|
|
|
INTERACTIONS BETWEEN NUTRIENTS,PHYTOPLANKTON GROWTH AND MICROZOOPLANKTON GRAZING RATES IN A GULF OF MEXICO ESTUARY |
|
Juhl, Andrew R. and Michael C. Murrell. Submitted. Phytoplankton Growth and Microzooplankton Grazing in a Gulf of Mexico Estuary. Aquat. Microb. Ecol. 38(1): 147-156, 2005.(ERL,GB ...
|
|
|
INTERACTIVE EFFECTS OF AROMATIC HYDROCARBONS, THEIR DERIVATIVES, AND HEAVY METALS IN MARINE FISH |
|
Marine organisms living in environments containing toxic chemicals are often exposed simultaneously to many different classes of compounds, which collectively pose a different thre...
|
|
|
INTERACTIVE REGULATION OF AH AND GLUCOCORTICOID RECEPTORS IN THE SYNERGISTIC INDUCTION OF CLEFT PALATE BY TCDD AND HYDROCORTISONE |
|
2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) is a widespread environmental contaminant that produces adverse biological effects including carcinogenesis, reproductive toxicity, immun...
|
|
|
INTERCOMPARISON OF SAMPLERS USED IN THE DETERMINATION OF AEROSOL COMPOSITION |
|
An intercomparison study was carried out to evaluate the performance of 11 different designs of aerosol samplers. The samplers were operated by participating scientific groups havi...
|
|
|
INTERIM RADON-RESISTANT CONSTRUCTION GUIDELINES FOR USE IN FLORIDA, 1989 |
|
The report gives results of a project to investigate, analyze, and develop radon-resistant construction guidelines that are consistent with other building codes and that could be a...
|
|
|
INTERLABORATORY COMPARISON OF MASS SPECTROMETRIC METHODS FOR LEAD ISOTOPES AND TRACE ELEMENTS IN NIST SRM 1400 BONE ASH |
|
The results of an interlaboratory comparison are reported for he lead isotope composition and for trace element concentrations in NIST SRM 1400 Bone Ash obtained using quadrupole a...
|
|
|
INTERNAL CORROSION AND DEPOSITION CONTROL |
|
Corrosion is one of the most important problems in the drinking water industry. It can affect public health, public acceptance of a water supply, and the cost of providing safe wa...
|
|
|
INTERNATIONAL APPROACHES TO DEVELOPING STANDARDS FOR NONCRITERIA POLLUTANTS |
|
Much of the initial interest in the control of pollutants, both in the United States and abroad, focused on such "traditional" pollutants as sulfur dioxide, particulate matter, Tot...
|
|
|
INTERNATIONAL STUDY OF 'ARTEMIA' VIII. COMPARISON OF THE CHLORINATED HYDROCARBONS AND HEAVY METALS IN FIVE DIFFERENT STRAINS OF NEWLY HATCHED 'ARTEMIA' AND A LABORATORY-REARED MARINE FISH |
|
Newly hatched nauplii of Artemia from Brazil, Australia, Italy, and the United States (Utah and San Pablo Bay, California) were analyzed for chlorinated hydrocarbons. The Brazil an...
|
|
|
INTERNATIONAL VALIDATION OF A NEUROBEHAVIORAL SCREENING BATTERY: THE IPCS/WHO COLLABORATIVE STUDY |
|
A neurobehavioral screening battery consisting of a functional observational battery (FOB) and an automated measure of motor activity is the subject of an international collaborati...
|
|
|
INTRODUCTION CONTROLS ON ARSENIC TRANSPORT IN NEAR-SURFACE AQUATIC SYSTEMS |
|
This special issue developed as a result of two concurrent topical sessions held at the annual meetings of the Geological Society of America and the Soil Science Society of America...
|
|
|
INVERTEBRATE AND PLANT ECO-SSLS DERIVED FROM PUBLISHED TOXICITY STUDIES |
|
The U.S. Environmental Protection Agency (USEPA), in collaboration with other federal, state, and industry groups has developed Ecological Soil Screening Levels (Eco-SSLs) for comm...
|
|
|
INVESTIGATING PREFERENTIAL DISSOLUTION OF LEAD FROM SOLDER PARTICULATES |
|
Water samples taken in a building corrosion control study having high lead levels often contained particulate material at the bottom of the acid-preserved sample bottles. canning e...
|
|
|
INVESTIGATING THE PREFERENTIAL DISSOLUTION OF LEAD FROM SOLDER PARTICULATES |
|
During a building corrosion control study, bottles containing acid-preserved water samples with high levels of lead often had particulate material on the bottom. Scanning electron ...
|
|
|
INVESTIGATION OF DNA REPAIR BY SISTER CHROMATID EXCHANGE (SCE) ANALYSIS AND THE ALKALINE SINGLE CELL GEL ASSAY (SCG) IN MAMMALIAN GO-LYMPHOCYTES AFTER IN VITRO EXPOSURE TO ETHYLENE OXIDE (EO) |
|
Investigation ofDNA Repair by Sister Chromatid Exchange (SCE) Analysis and the Alkaline Single Cell Gel Assay (SCG) in Mammalian Go-Lymphocytes after In Vitro Exposure to Ethylene ...
|
|
|
INVESTIGATION OF LEAD TEST KITS FOR ANALYSIS OF PAINT, DUST, AND SOIL |
|
A study of commercial lead test kits available as of fall, 1990, was performed. he intent was to perform an initial study of the general behavior and responsiveness of all kits to ...
|
|
|
INVESTIGATION OF MATRIX INTERFERENCES FOR AAS TRACE METAL ANALYSES OF SEDIMENTS |
|
The research was initiated with the overall objective of developing reliable, cost-effective methods utilizing flame atomic absorption spectrophotometry for the trace elemental ana...
|
|
|
INVESTIGATION OF THE PATHWAYS TO PCDDS/FS FROM AN ETHYLENE DIFFUSION FLAME: FORMATION FROM FLAME SOOT AND AROMATICS |
|
Polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans, PCDDs/Fs, occur in the combustion of a wide variety of fuels, and is related to poor combustion conditions. Th...
|
|
|
INVESTIGATIONS INTO THE MODE OF ACTION OF ARSENIC |
|
Arsenic is a ubiquitous metalloid to which there is significant human exposure through the air, water, and food. That arsenic can induce cancer in humans has been known since the l...
|
|
|
ION EXCHANGE SOFTENING: EFFECTS ON METAL CONCENTRATIONS |
|
A corrosion control pipe loop study to evaluate the effect of ion exchange water softening on metal leaching from household plumbing materials was conducted on two different water ...
|
|
|
IRIS TOXICOLOGICAL REVIEW AND SUMMARY DOCUMENTS FOR BUTYL BENZYL PHTHALATE |
|
Butyl benzyl phthalate (BBP), also referred to as 1,2 benzenedicarboxylic acid, butyl phenylmethyl ester, and benzyl n-butylphthalate, is a clear, oily liquid at room temperature. ...
|
|
|
IRON PRECIPITATION AND ARSENIC ATTENUATION - ASSESSMENT OF ARSENIC NATURAL ATTENUATION OF THE SUBSURFACE USING A GEOCHEMICAL MODEL (PHREEQC) |
|
Laboratory experiments show that amorphous and poorly crystallized ferric iron hydroxides have much greater capacity to attenuate arsenic compared to clays and other aluminosilicat...
|
|
|
IRON PRECIPITATION AND ARSENIC ATTENUATION - ASSESSMENT OF ARSENIC NATURAL ATTENUATION OF THE SUBSURFACE USING A GEOCHEMICAL MODEL (PHREEQC): ABSTRACT |
|
NRMRL-ADA-01310
Chen, J., Lin, Z, and Azadpour-Keeley**, A. "Iron Precipitation and Arsenic Attenuation - Assessment of Arsenic Natural At...
|
|
|
IRON RELEASE AND COLORED WATER FORMATION FROM IRON SCALES |
|
Iron corrosion in water distribution networks is of special concern in the drinking water industry because of the large amount of unlined iron pipe that is in use. Corrosion can d...
|
|
|
IRON RELEASE AND COLORED WATER FORMATION FROM IRON SCALES |
|
Iron corrosion in water distribution networks is of special concern in the drinking water industry because of the large amount of unlined iron pipe that is in use. Corrosion can d...
|
|
|
IRON TUBERCULATION: PHYSIO-CHEMICAL CHARACTERIZATION OF A SINGLE PIPE FROM A DRINKING WATER DISTRIBUTION SYSTEM |
|
The nature of iron tubercles inside unlined iron pipes of drinking water distribution systems are influenced by water quality and therefore susceptible to changes in water chemistr...
|
|
|
IRRITANT AGONISTS AND AIR POLLUTANTS: NEUROLOGICALLY MEDIATED RESPIRATORY AND CARDIOVASCULAR RESPONSES |
|
Situated within and just beneath the airway epithelium is a dense plexus of sensory nerves. These sensory (afferent) nerves serve as sentinels at the gateway between the organism a...
|
|
|
IS REMOVAL THE ONLY OPTION: IN SITU REMEDIATION OF METAL CONTAMINATED SOILS |
|
The In-place Inactivation and Natural Ecological Restoration Technologies (IINERT) Soil-Metals Action Team was established in 11/95 as one of several Action Teams under the USEPA R...
|
|
|
ISOTOPIC EVALUATION OF PB OCCURRENCES IN THE RIVERINE ECOSYSTEMS OF THE KANKAKEE WATERSHED, ILLINOIS-INDIANA. |
|
Environmental background levels of Pb were measured in ponds, river waters, sediments, suspended sediments, rocks, and air particulates within the Kankakee watershed during the per...
|
|
|
ISSUES IN THE MEASUREMENT AND ASSESSMENT OF ENVIRONMENTAL EXPOSURES FOR A LARGE PROSPECTIVE COHORT STUDY |
|
The National Children's Study (NCS) is a large-scale, multi-agency effort (lead by NIH, EPA, and CDC) to evaluate relationships among multiple exposures and changes in susceptibili...
|
|
|
Impacts of Noise Barriers on Near-Road Air Quality |
|
Numerous health studies show an increase in adverse health effects for populations near large roadways. A study was designed to assess traffic emission impacts on air quality near ...
|
|
|
Influence of Activity on Transfer of Pesticides from Treated Formica ® in Foods |
|
The children’s dietary intake model (CDIM) has been developed to predict total dietary intake of a child incorporating excess exposures due to handling of food prior to consumption...
|
|
|
Investigation of the Biotransformation of a DMA in Mouse Cecum Samples Using IC-ICP-MS and LC-ESI-MS/MS Detection |
|
Recent arsenic metabolism studies have begun to indicate the presence of sulfur analogs of the more common arsenic oxides in biological systems. An emerging area of research is ho...
|
|
|
KEYNOTE ADDRESS |
|
Over the past two decades an environmental conference series has emerged in Poland to become one of the premier forums on the chemical aspects of environmental protection. The foru...
|
|
|
KNOWING CHEMISTRY CAN HELP GET THE LEAD OUT |
|
Lead in tap water comes from the materials used in plumbing such as from leaded solder, lead pipe, and lead-containing brass found in fittings and faucets. Fortunately, the surface...
|
|
|
LABORATORY ANALYSIS FOR ARSENIC IN DRINKING WATER SAMPLES |
|
The U.S. Environmental Protection Agency (USEPA) has established maximum contaminant levels ( MCLs ), for many inorganic contaminants found in drinking water, to protect the health...
|
|
|
LABORATORY EVALUATION OF SIX NEW/MODIFIED PORTABLE X-RAY FLUORESCENCE SPECTROMETERS FOR THE MEASUREMENT OF LEAD IN CHARACTERIZED PAINT FILMS AND RESEARCH MATERIAL BOARDS (APPENDICES) |
|
A laboratory study was performed in 1994-1995 to identify and estimate the influence of key characteristics for evaluating the performance of portable X-ray fluorescence (XRF) sp...
|
|
|
LABORATORY EVALUATION OF SIX NEW/MODIFIED PORTABLE X-RAY FLUORESCENCE SPECTROMETERS FOR THE MEASUREMENT OF LEAD IN CHARACTERIZED PAINT FILMS AND RESEARCH MATERIAL BOARDS (TECHNICAL REPORT) |
|
A laboratory study was performed in 1994-1995 to identify and estimate the influence of key characteristics for evaluating the performance of portable X-ray fluorescence (XRF) sp...
|
|
|
LAND TREATMENT OF MILWAUKEE HARBOR SEDIMENTS CONTAMINATED WITH PAHS AND PCBS |
|
Sediments dredged in the maintenance of navigation channels often contain concentrations of PCBs and PAHs that necessitate placement in confined disposal facilities (CDFs). For the...
|
|
|
LANDSCAPE SCIENCES FOR ENVIRONMENTAL ASSESSMENT: A NATO FRAMEWORK FOR INTERNATIONAL COOPERATION |
|
An international pilot study has been developed to explore the possibility of quantifying and assessing environmental condition, processes of land degradation, and subsequent impac...
|
|
|
LEACHABILITY OF METALS FROM MINERAL PROCESSING WASTE |
|
This report was submitted by the University of Cincinnati (UC) in fulfillment of Contract No. 68-C7-0057 under the sponsorship of the United States Environmental Protection Agency...
|
|
|
LEACHING OF METALS FROM HOUSEHOLD PLUMBING MATERIALS: IMPACT OF HOME WATER SOFTENERS |
|
A pilot plant study was conducted to evaluate the effects of household ion exchange softening on the leaching of metals from home plumbing materials. The study was conducted in two...
|
|
|
LEAD (PB)-NMDA INTERACTIONS IN LONG-TERM POTENTIATION OF THE RAT DENTATE GYRUS |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
LEAD ABSORPTION AND PSYCHOLOGICAL FUNCTION IN ZAGREB (CROATIA) SCHOOL CHILDREN |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
LEAD ANALYSIS OF AMBIENT AIR PARTICULATES: INTERLABORATORY EVALUATION OF EPA LEAD REFERENCE METHOD |
|
The evaluation of the U.S. Environmental Protection Agency's 'Reference Method for the Determination of Lead in Suspended Particulate Matter Collected from Ambient Air' among four ...
|
|
|
LEAD AND COPPER CONTROL WITH NON-ZINC ORTHOPHOSPHATE |
|
Successful application of orthophosphate formulations not containing zinc for achieving control of copper and lead corrosion requires careful consideration of the background water ...
|
|
|
LEAD AND COPPER CONTROL: LESSONS LEARNED FROM THE US |
|
This presentation was invited for the “Inorganic Contaminant Issues in Canada–Research Needs” session, in order to provide an overview of how the assumptions and ...
|
|
|
LEAD AND COPPER RESEARCH UPDATE: RECENT AND FUTURE AREAS OF WORK |
|
Although the Lead and Copper Rule has been in place for over 10 years, many drinking water systems still have difficulty in meeting the lead and copper action levels. Some water q...
|
|
|
LEAD AND RESPIRATORY FUNCTION IN NHANES III |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
LEAD AND ZINC REMOVAL BY LABORATORY-SCALE CONSTRUCTED WETLANDS. (R828770) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
LEAD AND ZINC REMOVAL BY LABORATORY-SCALE CONSTRUCTED WETLANDS. (R828770C005) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
LEAD CORROSION SUPPORT FOR STATES AND REGIONS |
|
This poster provides a summary of some of the collaborative research and applications to solving treatment and regulatory compliance done by TTEB. The poster describes the analyti...
|
|
|
LEAD DISTRIBUTION AND ABATEMENT IN ROMANIA |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
LEAD EXPOSURE IN PHEOCHROMOCYTOMA (PC12) CELLS ALTERS NEURAL DIFFERENTIATION AND SP1 DNA-BINDING. |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
LEAD EXPOSURES IN THE HUMAN ENVIRONMENT |
|
Humans consume lead by inhaling air, drinking beverages, eating food and ingesting dust. The natural source of this lead is primarily soil. Anthropogenic sources are lead in gasoli...
|
|
|
LEAD IN CANDLE EMISSIONS |
|
The candle-using public should be made aware that the core of candle wicks may contain lead. Used as a stiffening agent to keep the wick out of the molten wax, lead can be emitted ...
|
|
|
LEAD INHIBITS THE RAT N-METHYL-D-ASPARTATE RECEPTOR CHANNEL BY BINDING TO A SITE DISTINCT FROM THE ZINC ALLOSTERIC SITE |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
LEAD ISOTOPES AND ADDITIONAL ANALYTES IN NIST BONE ASH |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
LEAD LEACHING FROM IN-LINE BRASS DEVICES: A CRITICAL EVALUATION OF THE EXISTING STANDARD |
|
The ANSI/NSF 61, Section 8 standard is intended to protect the public from in-line brass plumbing products that might leach excessive levels of lead to potable water. Experiments w...
|
|
|
LEAD PARTICLES IN THE GREAT SMOKY MOUNTAINS BIOSPHERE RESERVE |
|
Remote air monitoring using 0.45-micrometer Millipore filters at eight remote sites in the Great Smoky Mountains National Park has shown that lead particulates are contributing to ...
|
|
|
LEAD POISONING IN LAYSAN ALBATROSS (PHOESBASTRIA IMMUTABILIS) CHICKS: EVALUATION OF CONTAMINANT SOURCES ON MIDWAY ATOLL USING STABLE LEAD ISOTOPIC COMPOSITION. (U915730) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
LEAD SAFE YARDS: DEVELOPING AND IMPLEMENTING A MONITORING, ASSESSMENT, AND OUTREACH PROGRAM FOR YOUR COMMUNITY |
|
The USEPA has developed a technology transfer handbook on how to plan and implement a residential soil lead monitoring, assessment, mitigation and outreach program for residential ...
|
|
|
LEAD SORPTION ON RUTHENIUM OXIDE: A MACROSCOPIC AND SPECTROSCOPIC STUDY |
|
Metal oxide phases play an important role in governing the sorption and desorption mechanisms of metals in water, soils, and sediments. Many researchers have examined the efficien...
|
|
|
LEAD SORPTION ON RUTHENIUM OXIDE: A MACROSCOPIC AND SPECTROSCOPIC STUDY |
|
The sorption and desorption of Pb on RuO2 xH2O were examined kinetically and thermodynamically via spectroscopic and macroscopic investigations. X-ray absorption spectroscopy (XAS...
|
|
|
LEAD, COPPER, ZINC, AND CADMIUM IN LAKE MICHIGAN SURFICIAL SEDIMENTS |
|
Sediment samples were collected from Lake Michigan between 1994 and 1996. One purpose of the sampling was to define the horizontal distribution of trace metals in the sfurficial 1 ...
|
|
|
LEAD, COPPER, ZINC, AND CADMIUM IN LAKE MICHIGAN SURFICIAL SEDIMENTS: APPLICATION OF SEDIMENT QUALITY GUIDELINES |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
LEAD-FREE INTERCONNECT TECHNIQUE BY USING VARIABLE FREQUENCY MICROWAVE (VFM). (R831489) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
LEARNING AND MEMORY MEASURES |
|
Complaints suggestive of impaired cognitive function often number among the adverse effects associated with exposure to toxicants, such as methylmercury, lead, and polybrominated b...
|
|
|
LESSONS-LEARNED AND SUCCESS STORIES FROM EPA'S REAL-TIME ENVIRONMENTAL MONITORING, DATA DELIVERY, AND PUBLIC OUTREACH PROGRAM |
|
TTSD has completed a series of technology transfer and risk communication handbooks, case studies, and summary reports for community-based environmental monitoring projects under E...
|
|
|
LIFE CYCLE INITIATIVES IN US EPA |
|
There is a growing awareness that a single-issue approach to an environmental problem may not lead to an efective long-term strategy. Instead, governments and industries around the...
|
|
|
LIFE CYCLE INITIATIVES IN USEPA |
|
There is a growing awareness that a single-issue approach to an environmental problem may not lead to an efective long-term strategy. Instead, governments and industries around the...
|
|
|
LIFE CYCLE INITIATIVES IN USEPA: JOURNAL ARTICLE |
|
NRMRL-CIN-1501 Curran*, M.A. "Life Cycle Initiatives in USEPA." Paper published in: 1st International Conference on Life Cycle Management (LCM2001), Copenhagen, Denmark, 8/27-29/2...
|
|
|
LINER MATERIALS EXPOSED TO HAZARDOUS AND TOXIC SLUDGES |
|
The storage and disposal of hazardous liquids and solid wastes on the land are increasing the potential for pollution of surface and ground waters by these wastes or their leachate...
|
|
|
LINER MATERIALS EXPOSED TO HAZARDOUS AND TOXIC WASTES |
|
This exploratory experimental research project was conducted (1975-1983) to assess the relative effectiveness and durability of a wide variety of liner materials when exposed to ha...
|
|
|
LINKING ETIOLOGIES IN HUMANS AND ANIMAL MODELS: STUDIES OF AUTISM. (R824758) |
|
AbstractThalidomide has been shown to lead to a high rate of autism when exposure occurs during the 20th to 24th d of gestation. Both the critical period and the neurol...
|
|
|
LINKING SOLID PHASE SPECIATION OF PB SEQUESTERED TO BIRNESSITE TO ORAL PB BIOACCESSIBLITY: IMPLICATIONS FOR SOIL REMEDIATION |
|
Lead (Pb) sorption onto oxide surfaces in soils may strongly influence the risk posed from incidental ingestion of lead-contaminated soils. In this study, Pb was sorbed to a model...
|
|
|
LINKING WATERFOWL WITH CONTAMINANT SPECIATION IN RIPARIAN SOILS |
|
This report summarizes the results of Mine Waste Technology Program (MWTP) Activity III, Project 38, Linking Waterfowl with Contaminant Speciation in Riparian Soils, implemented an...
|
|
|
LIQUID CHROMATOGRAPHY DETERMINATION OF ANTI-ANDROGEN VINCLOZOLIN AND ITS METABOLITES IN RAT SERUM |
|
The objective of this study was to develop a chromatographic method for the analysis of the anti-androgen vinclozolin (V) and its butenoic acid (M1) and enanilide (M2) metabolites ...
|
|
|
LITERATURE REVIEW SUMMARY OF METALS EXTRACTION PROCESSES USED TO REMOVE LEAD FROM SOILS |
|
Numerous Superfund sites throughout the United States are contaminated with toxic metals. attery reclamation, lead smelting, and lead-based paint manufacturing are examples of proc...
|
|
|
LITERATURE REVIEW SUMMARY OF METALS EXTRACTION PROCESSES USED TO REMOVE LEAD FROM SOILS |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
LOBSTER BEHAVIOR AND CHEMORECEPTION: SUBLETHAL EFFECTS OF NUMBER 2 FUEL OIL |
|
This research has demonstrated behavioral abnormalities and inappropriate responses in lobsters exposed to levels of 0.1-1.0 parts per million (ppm) of oil in water. Such abnormali...
|
|
|
LONG-LEAD PREDICTION OF PACIFIC SSTS VIA BAYESIAN DYNAMIC MODELING. (R827257) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
LONG-TERM CHANGES IN WATERSHED RETENTION OF NITROGEN: ITS CAUSES AND AQUATIC CONSEQUENCES |
|
Nitrogen saturation is defined as a situation where the supply of nitrogenous compounds from the atmosphere exceeds the demand for these compounds on the part of watershed plants a...
|
|
|
LONG-TERM CONSEQUENCES OF DEVELOPMENTAL EXPOSURE TO LEAD OR POLYCHLORINATED BIPHENYLS: SYNAPTIC TRANSMISSION AND PLASTICITY IN THE RODENT. |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
LONG-TERM EFFECTS OF LEAD EXPOSURE ON THREE GENERATIONS OF BROOK TROUT ('SALVELINUS FONTINALIS') |
|
Exposure of three generations of brook trout (Salvelinus fontinalis) to mean total lead concentrations (0.9-474 microg/l) showed that all second-generation trout exposed to 235 and...
|
|
|
LONG-TERM IMPACTS OF ORTHOPHOSPHATE TREATMENT ON COPPER |
|
Laboratory, pilot, and field data collected support the theoretical "cupric hydroxide" copper solubility model. For the short time frames inherent in laboratory and pilot studies o...
|
|
|
LONG-TERM IMPACTS OF ORTHOPHOSPHATE TREATMENT ON COPPER LEVELS |
|
Laboratory, pilot, and field data collected support the theoretical “cupric hydroxide” copper solubility model. For the short time frames inherent in laboratory and pilot studies...
|
|
|
LONG-TERM IMPACTS OF ORTHOPHOSPHATE TREATMENT ON COPPER LEVELS - PRESENTATION |
|
Laboratory, pilot, and field data collected support the theoretical "cupric hydroxide" copper solubility model. For the short time frames inherent in laboratory and pilot studies o...
|
|
|
LONG-TERM RECOVERY OF PCB-CONTAMINATED SURFACE SEDIMENTS AT THE SANGAMO-WESTON/TWELVEMILE CREEK/LAKE HARTWELL SUPERFUND SITE |
|
Natural recovery of contaminated sediments relies on burial of contaminated sediments with increasingly clean sediments over time (i.e., natural capping). Natural capping reduces t...
|
|
|
LOW WASTEWATER POTATO STARCH/PROTEIN PRODUCTION |
|
While potato starch has been an item of commerce for many years, traditional processing methods have incurred large volumes of high BOD effluents. The research summarized by this r...
|
|
|
Lead Paint Poisonings: How Can Innovative Technology Make a Difference? |
|
Lead is a toxic metal that may cause a range of health effects, from behavioral problems and learning disabilities, to seizures and death. Children six years old and under are most...
|
|
|
Lead Scavengers in Old Product Samples: An EPA Evaluation |
|
Slide presentation presented at the 20th Annual Tanks Conference on lead scavengers in old product samples....
|
|
|
MACHINE COOLANT WASTE REDUCTION BY OPTIMIZING COOLANT LIFE |
|
Machine shops use coolants to improve the life and function of machine tools. hese coolants become contaminated with oils with use, and this contamination can lead to growth of ana...
|
|
|
MACHINE COOLANT WASTE REDUCTION BY OPTIMIZING COOLANT LIFE |
|
Machine shops use coolants to improve the life and function of machine tools. hese coolants become contaminated with oils with use, and this contamination can lead to growth of ana...
|
|
|
MACROPHAGE AGGREGATES AS INDICATORS OF ENVIRONMENTAL STRESS |
|
The growing awareness of adverse effects of environmental contamination has lead to scrutiny of various biomarkers as early indicators of these effects. he use of splenic macrophag...
|
|
|
MAGNETIC FIELD INFLUENCE ON NGF-STIMULATED NEURITE OUTGROWTH IN PC-12 CELLS: EFFECT OF PAINT FUMES |
|
MAGNETIC FIELD INFLUENCE ON NGF-STIMULATED NEURITE OUTGROWTH IN PC-12 CELLS: EFFECT OF PAINT FUMES. C. F. Blackman1, D. E. House2*, S. G. Benane3*, A. Ubeda4, M.A. TrilIo4. 1 Natio...
|
|
|
MANAGEMENT AND TREATMENT OF WATER FROM HARD-ROCK MINES {ENGINEERING ISSUE} |
|
This Engineering Issue document on treatment of mining waters is a practical guide to understanding and selecting technologies for the environmental management of waste materials a...
|
|
|
MANAGING COASTAL DATA |
|
To answer broad-scale questions on environmental conditions, the Environmental Monitoring and Assessment Program (EMAP) and its partners have collected estuarine and coastal data ...
|
|
|
MANAGING EXPOSURES TO NEUROTOXIC AIR POLLUTANTS. |
|
Researchers at EPA's National Health and Environmental Effects Research Laboratory are developing a biologically-based dose-response model to describe the neurotoxic effects of exp...
|
|
|
MANAGING TROUBLED DATA: COASTAL DATA PARTNERSHIPS SMOOTH DATA INTEGRATION |
|
Understanding the ecology, condition, and changes of coastal areas requires data from many sources. Broad-scale and long-term ecological questions, such as global climate change, b...
|
|
|
MANUAL: WASTEWATER TREATMENT DISPOSAL FOR SMALL COMMUNITIES |
|
Over the past decade, changes in federal policies have
forced states to play a larger role in financing and admin-
istering public works programs and compelled local
government...
|
|
|
MASS BALANCE DETERMINATIONS FOR POLLUTANTS IN URBAN REGIONS. METHODOLOGY WITH APPLICATIONS TO LEAD, ZINC, CADMIUM, AND ARSENIC |
|
A methodology is presented for constructing mass balances for pollutants which move interactively through the air, land and water of an urban-industrial region. Results are reporte...
|
|
|
MASS BALANCE MODELING OF HEAVY METALS IN SAGINAW BAY, LAKE HURON |
|
During the period 1976-1978, a study of hazardous materials in Saginaw Bay was conducted. This study included the fate and distribution of cadmium, copper, lead, and zinc in the ba...
|
|
|
MASS BALANCE MODELLING OF PCBS IN THE FOX RIVER/GREEN BAY COMPLEX |
|
The USEPA Office of Research and Development developed and applies a multimedia, mass balance modeling approach to the Fox River/Green Bay complex to aid managers with remedial dec...
|
|
|
MASSACHUSETTS ECOLOGICAL REGIONS PROJECT |
|
Ecoregion frameworks are available tools for inventorying and assessing environmental resources, for setting resource management goals, and for developing biological criteria and w...
|
|
|
MATERNAL EXPOSURE TO ATRAZINE DURING LACTATION SUPPRESSES SUCKLING-INDUCED PROLACTIN RELEASE AND RESULTS IN PROSTATITIS IN THE ADULT OFFSPRING |
|
The availability of prolactin (PRL) to the neonatal brain is known to affect the development of the tuberoinfundibular (TIDA) neurons and, as a consequence, lead to alterations in ...
|
|
|
MATERNAL HYPOTHYROXENEMIA LEADS TO PERSISTENT DEFICITS IN HIPPOCAMPAL SYNAPTIC TRANSMISSION AND LEARNING IN OFFSPRING. |
|
MATERNAL HYPOTHYROXINEMIA LEADS TO PERSISTENT DEFICITS IN HIPPOCAMPAL SYNAPTIC TRANSMISSION AND LEARNING IN RAT OFFSPRING. M.E. Gilbert1 and Li Sui2, Neurotoxicology Division, 1US...
|
|
|
MATERNAL-FETAL TISSUE LEVELS OF SIXTEEN TRACE ELEMENTS IN EIGHT COMMUNITIES |
|
The developing fetus probably represents one of the most vulnerable subgroups of the general population to the toxic effects of trace elements. There have been numerous reports of ...
|
|
|
MATHEMATICAL MODEL OF PLANT UPTAKE AND TRANSLOCATION OF ORGANIC CHEMICALS: DEVELOPMENT OF THE MODEL |
|
Uptake, transport, and accumulation of organic chemicals by plants are influenced by characteristics of the plant and properties of the chemical, soil, and environmental conditions...
|
|
|
MEASUREMENT AND PREDICTION OF SINGLE DROPLET TRAJECTORIES IN A SWIRLED COMBUSTION SYSTEM |
|
The paper gives results of an experimental determination of the penetration of individual fuel droplets injected into a swirling gas flame, as a function of the droplet injection p...
|
|
|
MEASUREMENT OF CADMIUM, LEAD, ZINC, AND CALCIUM IN SELECTED POPULATIONS IN THE UNITED STATES |
|
As part of a continuing national and international survey of cadmium ingestion, a study was performed to estimate the daily intake of cadmium and other metals in two low-income pop...
|
|
|
MEASUREMENT OF CONTAMINATION IN ENVIRONMENTAL SAMPLES |
|
Contamination of environmental samples and measurement system can be monitored through the systematic use of appropriate quality control (QC) blanks. uring the last decade, a proli...
|
|
|
MEASUREMENT OF DIBROMOACETIC ACID IN RAT BLOOD BY GC/ECD |
|
Measurement of Dibromoacetic Acid in Rat Blood by GC/ECD
M. Leonard Mole, MD 67, Reproductive Toxicology Division, National Health and Environmental Effects Research Laborat...
|
|
|
MEASUREMENT OF DRY DEPOSITION OF FOSSIL FUEL PLANT POLLUTANTS |
|
Dry removal of air pollutants from fossil fuel plants is considered from both a modeling and measurement viewpoint. Literature on dry deposition rates is summarized and the process...
|
|
|
MEASUREMENT OF MICROWAVE RADIATION ABSORBED BY BIOLOGICAL SYSTEMS, 2, ANALYSIS BY DEWAR-FLASK CALORIMETRY |
|
Free-field power density has long been used as an index of energy dosing in studies of biological effects of microwave radiation. However, this method of quantifying dose can lead ...
|
|
|
MEASUREMENT OF MUTAGENIC EMISSIONS FROM THE INCINERATION OF THE PESTICIDES DINOSEB DURING APPLICATION OF COMBUSTION MODIFICATIONS |
|
The incineration of the pesticide dinoseb with staged combustion and reburning reduced not only the NOx by 96% compared to the absence of these two control technologies, but also t...
|
|
|
MEASUREMENT OF PERCHLORATE IN WATER BY USE OF AN 18O-ENRICHED ISOTOPIC STANDARD AND ION CHROMATOGRAPHY WITH MASS SPECTROMETRIC DETECTION |
|
Perchlorate (ClO4-) is a drinking water contaminant originating from the dissolution of the salts of ammonium, potassium, magnesium, or sodium in water. It i...
|
|
|
MEASUREMENT OF PERCHLORATE IN WATER USING AN OXYGEN-18 ENRICHED ISOTOPE STANDARD AND ION CHROMATOGRAPHY MASS SPECTROMETRIC DETECTION |
|
Perchlorate (ClO4 -) is a drinking water contaminant originating from the dissolution of the salts of ammonium, potassium, magnesium, or sodium in water. It is used primarily as...
|
|
|
MEASURING DIETARY EXPOSURE OF YOUNG CHILDREN |
|
Young children do not consume foods in a structured manner. Their foods contact surfaces (hands, floors, eating surfaces, etc.) that may be contaminated while they are eating them...
|
|
|
MEASURING INORGANIC AND ALKYL LEAD EMISSIONS FROM STATIONARY SOURCES |
|
Described are the results from studies done to provide test methods for state and local air pollution control agencies to measure accurately the lead emissions from stationary sour...
|
|
|
MEASURING INVERTEBRATE GRAZING ON SEAGRASSES AND EPIPHYTES |
|
The chapter describes methods to assess grazing rates, grazer preferences, and grazer impacts, by mobile organisms living in the canopy or in the rhizome layer in any seagrass syst...
|
|
|
MECHANISM(S) OF UPTAKE AND SEQUESTRATION OF LEAD AND OTHER HEAVY METALS BY PSEUDOMONAS AERUGINOSA CHL-004 |
|
Heavy metals in soils and sediments of anthropogenic origin are a major environmental concern, due to the significant health risks they pose and due to the difficulties encountered...
|
|
|
MECHANISMS UNDERLYING SOMATOSENSORY CORTICAL DYNAMICS: I. IN-VIVO STUDIES |
|
S1 neurons undergo substantial and rapid response modifications (either increases or decreases) during repetitive tactile stimulation. ecovery occurs in a few minutes following ces...
|
|
|
MEIOTIC ORIGIN OF ANEUPLOIDY: AN OVERVIEW |
|
Aside from its adaptive potential, germ cell aneuploidy is usually considered a 'mistake' with dire clinical consequences. The prevalence of aneuploidy in spontaneous abortions and...
|
|
|
MERCURY SEQUESTRATION IN CHL004 AND BACTERIA FROM AROUND THE WORLD |
|
Mercury is a particularly toxic heavy metal which because of it's volatility easily impacts the globe and is partially responsible for loss of the ozone layer and thus global warmi...
|
|
|
MERCURY, LEAD, ARSENIC, AND CADMIUM IN BIOLOGICAL TISSUE. THE NEED FOR ADEQUATE STANDARD REFERENCE MATERIALS |
|
The present situation of standard reference materials consisting of plant and animal tissues is examined. A brief literature review presents a cross-section of published data on th...
|
|
|
METAL BEHAVIOR DURING MEDICAL WASTE INCINERATION |
|
Medical waste contains toxic metals such as lead, cadmium, and mercury. onsequently, the incineration of medical waste may result in the emissions of trace metals into the environm...
|
|
|
METAL BIOACCUMULATION IN FISHES AND AQUATIC INVERTEBRATES: A LITERATURE REVIEW |
|
Literature concerning the bioaccumulation of metals by freshwater and marine fishes and invertebrates has been reviewed; metal residue levels are also reported for a few mammals an...
|
|
|
METAL CAPTURE BY SORBENTS IN COMBUSTION PROCESSES |
|
The article gives results of an investigation of the use of sorbents to control trace metal emissions from combustion processes and an exploration of the underlying mechanisms. mph...
|
|
|
METAL COMPOSITION OF AMBIENT PM2.5 INFLUENCES SEVERITY OF ALLERGIC AIRWAYS DISEASE IN MICE |
|
ABSTRACT
Children living in Hettstedt in eastern Germany were reported to have a higher prevalence of sensitization to common aeroallergens than another cohort living ...
|
|
|
METAL CORROSION COUPON CONTAMINATION, CORROSION STUDY DESIGN, AND INTERPRETATION PROBLEMS |
|
As a result of the new Lead and Copper Rule, some water utilities in the United States have begun or will soon begin corrosion demonstration studies. emonstration studies may inclu...
|
|
|
METAL INTERACTIONS AT SULFIDE MINERAL SURFACES: PART 3, METAL AFFINITIES IN SINGLE AND MULTIPLE ION ADSORPTION REACTIONS |
|
Adsorption reactions of both single ions and multiple ion mixtures with sulfide minerals (chalcocite, galena, pyrite, and sphalerite) were investigated in the metal concentration r...
|
|
|
METAL PARTICULATE EMISSIONS FROM STATIONARY SOURCES. VOLUME 1. STANDARD SAMPLING AND ANALYSIS METHOD |
|
A program was undertaken to develop reliable methods for measuring trace elements in emission streams. This program concerns a sampling and analysis method for arsenic, cadmium, ch...
|
|
|
METAL RECOVERY/REMOVAL USING NON-ELECTROLYTIC METAL RECOVERY |
|
Radiator repair shops most commonly use hot caustic solutions to clean radiator sections prior to resoldering. he hot caustic, or "boil-out" solutions as they are cabled in the tra...
|
|
|
METAL RECOVERY/REMOVAL USING NON-ELECTROLYTIC METAL RECOVERY |
|
Radiator repair shops most commonly use hot caustic solutions to clean radiator sections prior to resoldering. he hot caustic, or "boil-out" solutions as they are cabled in the tra...
|
|
|
METAL SURVEY OF THE MARINE CLAM 'PITAR MORRHUANA' COLLECTED NEAR A RHODE ISLAND (USA) ELECTROPLATING PLANT |
|
Benthic fauna were collected from 17 stations in mid-Narragansett Bay, Rhode Island, during September 1973 from the vicinity of the recently-closed Quonset Point electroplating fac...
|
|
|
METAL-COLLOID PARTITIONING IN ARTIFICIAL INTERSTITIAL WATERS OF MARINE SEDIMENTS: INFLUENCES OF SALINITY, PH AND COLLOIDAL ORGANIC CARBON CONCENTRATION |
|
For decades, heavy metals have been deposited into marine sediments as a result of anthropogenic activities. Depending on their bioavailability, these metals may represent a risk t...
|
|
|
METAL-INDUCED ALTERATION OF THE CELL MEMBRANE/CYTOPLASM COMPLEX STUDIED BY FLOW CYTOMETRY AND DETERGENT LYSIS |
|
Flow cytometric analysis of the cell cycle is most effectively accomplished with membrane-/cytoplasm-free ("clean") nuclei. Non-ionic detergents (e.g. NP40 or Triton X-100) commonl...
|
|
|
METALLOTHIONEIN GENE TRANSCRIPTION AS AN INDICATOR OF METAL EXPOSURE IN FATHEAD MINNOWS |
|
Metallothionein is a cysteine rich, low molecular weight, metal binding protein. Basal levels of endogenous metallothioneins (MT) have been reported in all eucaryotes. MT has been...
|
|
|
METALS AND METALLOIDS IN TISSUES OF AMERICAN ALLIGATORS IN THREE FLORIDA LAKES |
|
Concentrations of metals and selenium were examined in tissues of American alligators (Alligator mississippiensis) from three lakes in central Florida, in one of which alligators h...
|
|
|
METALS DISTRIBUTION IN SOLIDIFIED/STABILIZED WASTE FORMS AFTER LEACHING |
|
A series of leach tests were conducted to study the metal distributions in cement based waste form before and after leaching in acetic acid solutions. he specimens were prepared in...
|
|
|
METALS MIMIC AIRWAY EPITHELIAL INJURY INDUCED BY IN VITRO EXPOSURE TO UTAH VALLEY AMBIENT PARTICULATE MATTER EXTRACTS |
|
Abstract
Epidemiologic studies have shown positive associationsbetween changes in ambient particulate matter (PM) levels in Utah Valley during 1986-1988, and the respiratory...
|
|
|
METALS TESTING REPORT: METAL CONTENT OF ENVIRONMENTAL SAMPLES FROM REGION 4 |
|
This report summarizes the procedures used to analyze selected aquatic and emergent plant, aquatic insect, and fish samples for specific metals; and presents the results of those a...
|
|
|
METHODOLOGIES FOR CALIBRATION AND PREDICTIVE ANALYSIS OF A WATERSHED MODEL |
|
The use of a fitted-parameter watershed model to address water quantity and quality management issues requires that it be calibrated under a wide range of hydrologic conditions. Ho...
|
|
|
METHODOLOGY FOR ASSESSING RESPIRATION AND CELLULAR INCORPORATION OF RADIOLABELED SUBSTRATES BY SOIL MICROBIAL COMMUNITIES (JOURNAL VERSION) |
|
A method is described for determining biodegradation kinetics of both naturally occurring and xenobiotic compounds in surface and subsurface soil samples. The method measures both ...
|
|
|
METHODS OF ANALYSIS FOR WASTE LOAD ALLOCATION |
|
This research has addressed several unresolved questions concerning the allocation of allowable waste loads among multiple wastewater dischargers within a water quality limited str...
|
|
|
MEXAMS (METALS EXPOSURE ANALYSIS MODELING SYSTEM) |
|
MEXAMS, the Metals Exposure Analysis Modeling System, provides an enhanced capability for assessing the impact of priority pollutant metals on aquatic systems. It allows the user t...
|
|
|
MEYERS PROCESS DEVELOPMENT FOR CHEMICAL DESULFURIZATION OF COAL. VOLUME I |
|
The report gives results of bench-scale development of the Meyers Process (for chemical removal of sulfur from coal) for desulfurization of both fine and coarse coal. More than 90%...
|
|
|
MICOBACTERIUM PARATUBERCULOSIS AND NONTUBERCULOUS MYCOBACTERIAL IN POTABLE WATER |
|
Nontuberculous mycobacteria (NTM) include Mycobacterium species that are not members of the Mycobacterium tuberculosis Complex. Members of the NTM group are important causes of dis...
|
|
|
MICROANALYSIS OF INDIVIDUAL LAYERED PARTICLES BY SECONDARY ION MASS SPECTROMETRY |
|
Secondary ion mass spectrometry is evaluated for application to the determination of the composition and structure of individual particles. Analyses of many elemental constituents ...
|
|
|
MICROBIAL SEQUESTRATION OF LEAD AND OTHER HEAVY METALS |
|
Human activity resulting in heavy metal contamination is a worldwide concern. Lead is a potent neurotoxin that can cause heart problems, kidney damage, and mental retardation. Merc...
|
|
|
MICROSCALE FLOW INJECTION AND MICROBORE HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY COUPLED WITH INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY VIA A HIGH-EFFICIENCY NEBULIZER |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
MICROSCALE FLOW INJECTION AND MICROBORE HIGH-PERFORMANCE LIQUID CHROMATORGRAPHY COUPLED WITH INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY VIA A HIGH-EFFICIENCY NEBULIZER |
|
A high-effeciency nebulizer has been used for coupling microscale flow injection and microbore high-performance liquid chromatography with inductively coupled plasma mass spectrome...
|
|
|
MICROWAVE PLASMA DETOXIFICATION PROCESS FOR HAZARDOUS WASTES. PHASE II. SYSTEMS APPLICATION EVALUATION |
|
This preliminary report has revealed new information on several highly toxic substances which exist within the continental U.S. for which there is no satisfactory means of disposal...
|
|
|
MINE WASTE TECHNOLOGY PROGRAM - UNDERGROUND MINE SOURCE CONTROL DEMONSTRATION PROJECT |
|
This report presents results of the Mine Waste Technology Program Activity III, Project 8, Underground Mine Source Control Demonstration Project implemented and funded by the U. S....
|
|
|
MINE WASTE TECHNOLOGY PROGRAM; PHOSPHATE STABILIZATION OF HEAVY METALS CONTAMINATED MINE WASTE YARD SOILS, JOPLIN, MISSOURI NPL SITE |
|
This document summarizes the results of Mine Waste Technology Project 22-Phosphate Stabilization of Heavy Metals-Contaminated Mine Waste Yard Soils. Mining, milling, and smelting ...
|
|
|
MINERALOGY AND CHARACTERIZATION OF ARSENIC, IRON, AND LEAD IN A MINE WASTE-DERIVED FERTILIZER |
|
The solid-state speciation of arsenic (As), iron (Fe), and lead (Pb) was studied in the mine waste-derived fertilizer Ironite using X-ray absorption spectroscopy, Mössbauer spectro...
|
|
|
MINIMIZATION OF INTERFERENCES IN INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY USING ON-LINE PRECONCENTRATION |
|
A semiautomated system is used to preconcentrate Ti, V, Mn, Fe, Co, Ni, Cu, Cd, and Pb, in order to remove high salt matrices. he reconcentration system accepts digests with acid c...
|
|
|
MINOR MALFORMATIONS AND PHYSICAL MEASURES IN AUTISM: DATA FROM NOVA SCOTIA. (R824758) |
|
In the context of an epidemiological study of autism in Nova Scotia, subjects were evaluated for minor physical anomalies and physical measurements. Normal control children, childr...
|
|
|
MNA of Inorganic Contaminants: Contrasting Behavior of Base Metals and Oxyanions |
|
EPA’s Office of Research and Development has recently prepared technical resource documents for the application of MNA to inorganic contaminants in groundwater. These documents pr...
|
|
|
MOBILIZATION AND DISTRIBUTION OF METALS FROM ESTUARINE SEDIMENTS DURING PERIODS OF SIMULATED RESUSPENSION |
|
For decades, heavy metals have been deposited into marine sediments as a result of anthropogenic activities. Depending on their bioavailability, they may represent a risk to aquati...
|
|
|
MODE OF ACTION OF CYCLODIENE INSECTICIDES: THE NERVOUS SYSTEM INFLUENCED BY TOXAPHENE |
|
A study was made concerning the mode of action, excretion, metabolism, and behavioral effects of toxaphene and combinations of toxaphene, methyl parathion, and/or chlordimeform in ...
|
|
|
MODE OF ACTION: INHIBITION OF ANDROGEN RECEPTOR FUNCTION--VINCLOZOLIN-INDUCED MALFORMATIONS IN REPRODUCTIVE DEVELOPMENT |
|
Vinclozolin is a fungicide that has been shown to cause Leydig cell tumors and atrophy of the accessory sex glands in adult rodents. In addition, exposure of rats during pregnancy ...
|
|
|
MODEL CALCULATIONS OF THE ANNUAL ATMOSPHERIC DEPOSITION OF TOXIC METALS TO LAKE MICHIGAN |
|
The 1990 Clean Air Act Amendments include specific provisions to study significant sources of atmospheric deposition of toxic substances and their impacts on the health and welfare...
|
|
|
MODEL FOR CHANGES IN SEDIMENT AND WATER-COLUMN BIOGEOCHEMISTRY IN RESPONSE TO SEASONALLY HYPOXIC/ANOXIC CONDITIONS BENEATH THE MISSISSIPPI RIVER PLUME |
|
Although the bottom waters of many freshwater and marine environments are either permanently oxic or anoxic, there is a growing appreciation that in many bodies of water near-botto...
|
|
|
MODEL HARMONIZATION POTENTIAL AND BENEFITS |
|
The IPCS Harmonization Project, which is currently ongoing under the auspices of the WHO, in the context of chemical risk assessment or exposure modeling, does not imply global sta...
|
|
|
MODEL OF THE RELATIVE CONTRIBUTION OF ATMOSPHERIC LEAD TO TOTAL HUMAN LEAD EXPOSURE IN THE U.S. |
|
This paper describes a systematic evaluation of the total lead exposure of humans from both natural and anthropogenic sources. The evaluation is a multi-media approach that establi...
|
|
|
MODELING APPROACHES FOR ESTIMATING THE DOSIMETRY OF INHALED TOXICANTS IN CHILDREN |
|
Risk assessment of inhaled toxicants has typically focused upon adults, with modeling used to extrapolate dosimetry and risks from laboratory animals to humans. However, behaviora...
|
|
|
MODELING CONSISTENCY, MODEL QUALITY, AND FOSTERING CONTINUED IMPROVEMENT |
|
We believe that most contributors to and participants of the International Conference, Marine Waste Water Discharges 2000, "MWWD 2000," could agree that the overarching dream of th...
|
|
|
MODELING CONTAMINANT PROPAGATION IN DISTRIBUTION SYSTEMS: ITS REGULATORY IMPLICATIONS |
|
The Safe Drinking Water Act and its Amendments (SDWAA) will pose a massive challenge for the drinking water industry in the United States. s SDWAA regulations are implemented more ...
|
|
|
MODELING IN CSO MANAGEMENT |
|
Combined sewer overflows (CSOs) contain not only stormwater but also untreated human and industrial waste, toxic materials, and debris. Since the 1960's, CSOs have been recognized ...
|
|
|
MODELING PLUMES IN SMALL STREAMS |
|
Pesticides accumulate on land surfaces from agricultural, commercial, and domestic application, and wash into streams and rivers during dry and wet weather. Flood water retention b...
|
|
|
MODELING PROCESSES CONTROLLING MERCURY FATE IN WATERSHEDS RECEIVING ATMOSPHERIC DEPOSITION - COMPARISON OF FIELD SCALE GLEAMS AND WATERSHED SCALE WCS-GBMM |
|
Long-term simulations of mercury fate in watersheds are needed to support regulations such as TMDLs and to predict the effectiveness of regulatory proposals, such as the Clean Air ...
|
|
|
MODELING REGIONAL-SCALE ATMOSPHERIC MERCURY USING RELMAP |
|
The Regional Lagrangian Model of Air Pollution (RELMAP) is used to simulate the emission, transport and diffusion, chemical transformation, and wet and dry deposition of elemental ...
|
|
|
MODELING THE ATMOSPHERE FORMATION OF REACTIVE MERCURY IN FLORIDA AND THE GREAT LAKES |
|
Reactive mercury in the troposphere is affected by a complex mix of local emissions, global-scale transport, and gas and aqueous-phase chemistry. Here, we describe a modified versi...
|
|
|
MODELLING RECEPTOR-MEDIATED PROCESSES WITH DIOXIN: IMPLICATIONS FOR PHARMACOKINETICS AND RISK ASSESSMENT |
|
Dioxin (2,3,7,8-tetrachlorodibenzo-p-dioxin; TCDD), a widespread polychlorinated aromatic hydrocarbon, caused tumors in the liver and other sites when administered chronically to r...
|
|
|
MODELS OF THE INTERACTION OF MORTALITY AND THE EVOLUTION OF RISK FACTOR DISTRIBUTION: A GENERAL STOCHASTIC PROCESS FORMULATION (JOURNAL VERSION) |
|
Generally, analyses of longitudinal studies of chronic disease risks do not directly model the change with time of risk factor values and the interactions of those changes with ris...
|
|
|
MODES OF ACTION FOR THE CARCINOGENICITY AND TOXICITY OF ARSENIC - MOVING TOWARDS A MORE QUANTITATIVE RISK ASSESSMENT |
|
Arsenic exposures can lead to human tumors in skin, lung, urinary bladder, kidney and liver. Three likely initial stages of arsenical¬macromolecular interaction are (1) binding of ...
|
|
|
MODULATION OF EICOSANOID PRODUCTION BY HUMAN ALVEOLAR MACROPHAGES EXPOSED TO SILICA IN VITRO |
|
Repeated inhalation of silica dust can lead to inflammation and fibrosis in human lung and in experimental animal models. he alveolar macrophage is believed to play a pivotal role ...
|
|
|
MOLECULAR BONDING SYSTEM - INNOVATIVE TECHNOLOGY EVALUATION REPORT |
|
This document presents an evaluation of the Molecular Bonding System (MBS) and its ability to chemically stabilize three metals-contaminated wstes/soils during a SITe demo. The MBS...
|
|
|
MOLECULAR DYNAMICS STUDY OF PARTICLE JOINT FOR POTENTIAL LEAD FREE ANISOTROPIC CONDUCTIVE ADHESIVE APPLICATIONS. (R831489) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
MOLECULAR DYNAMICS STUDY OF SILVER PARTICLES FOR LOW TEMPERATURE LEAD FREE INTERCONNECT APPLICATIONS. (R831489) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
MOLECULAR STUDIES OF PSEUDOMONAS AERUGINOSA CHL-004'S INTERACTION WITH HEAVY METALS |
|
Heavy metal contamination of soils and sediments as the result of human activity is of worldwide concern. In particular lead, which has been used in the production of batteries, ga...
|
|
|
MONITORED NATURAL ATTENUATION FOR INORGANIC CONTAMINANT REMEDIATION IN GROUNDWATER |
|
Monitored natural attenuation (MNA) has been applied as a knowledge-based remediation technology for organic contaminants in ground water. Development of a site-specific assessmen...
|
|
|
MONOCHLORAMINE MICROELECTRODE FOR IN SITU APPLICATION WITHIN THE BIOFILM OF CHLORAMINATED DRINKING WATER DISTRIBUTION SYSTEMS- Abstract |
|
Many utilities in the United States are using monochloramine as a secondary disinfectant as a result of the implementation of the Stage 1 and Stage 2 Disinfectants and Disinfection...
|
|
|
MORPHOLOGY OF LEAD(II) AND CHROMIUM(III) REACTION PRODUCTS ON PHYLLOSILICATE SURFACES AS DETERMINED BY ATOMIC FORCE MICROSCOPY |
|
NO ABSTRACT PROVIDED...
|
|
|
MORPHOMETRIC ANALYSIS OF ALGAL RESPONSE TO LOW DOSE, SHORT-TERM HEAVY METAL EXPOSURE (JOURNAL VERSION) |
|
Three algae, Melosira granulata, Fragilaria capucina, and Anacystis cyanea, collected as part of a natural phytoplankton assemblage were found to differ in their cytological respon...
|
|
|
MOVEMENT OF HAZARDOUS SUBSTANCES IN SOIL: A BIBLIOGRAPHY. VOLUME 1. SELECTED METALS |
|
This bibliography is intended for use by personnel concerned, either via research or management, with the disposal of hazardous wastes, other than sewage sludge, on land. It is the...
|
|
|
MOVEMENT OF HAZARDOUS SUBSTANCES IN SOIL: A BIBLIOGRAPHY. VOLUME 2. PESTICIDES |
|
This bibliography is intended for use by personnel concerned, either via research or management, with the disposal of hazardous wastes, other than sewage sludge, on land. It is the...
|
|
|
MOVEMENT OF SELECTED METALS, ASBESTOS, AND CYANIDE IN SOIL: APPLICATIONS TO WASTE DISPOSAL PROBLEMS |
|
This report presents information on movement of selected hazardous substances in soil which can be applied to problems of selecting and operating land disposal sites for wastes con...
|
|
|
MTBE DEGRADATION USING FENTON REAGENT: THE EFFECT OF FERROUS AND FERRIC IRON MIXTURES ON THE EFFICIENCY OF THE OVERALL REACTION |
|
The gasoline additive MTBE has been extensively used in the U.S. since the late 70's to increase the octane rating in reformulated gasoline, replacing toxic organo-lead compounds. ...
|
|
|
MTBE DEGRADATION USING FENTON'S REAGENT: THE EFFECT OF FERROUS AND FERRIC IRON MIXTURES ON THE EFFICIENCY OF THE OVERALL REACTION |
|
The gasoline additive MTBE has been extensively used in the U.S. since the late 70's to increase the octane rating in reformulated gasoline, replacing toxic organo-lead compounds. ...
|
|
|
MTBE IS A LITTLE BIT OK? |
|
Methyl tertiary butyl ether (MTBE) has been used as a gasoline additive to serve two major purposes. First, MTBE was used as an octane-enhancer to replace organic lead, beginning ...
|
|
|
MULTICOMPARTMENT KINETIC MODEL FOR LEAD. PART 3. LEAD IN BLOOD PLASMA AND ERYTHROCYTES |
|
Multicompartment models have been fitted to experimental data on plasma lead and blood lead concentrations of subjects studied by de Silva (1981, Brit. J. Industr. Med. 38, 209-217...
|
|
|
MULTICOMPARTMENT KINETIC MODELS FOR LEAD. 1. BONE DIFFUSION MODELS FOR LONG-TERM RETENTION |
|
The long-term retention of lead in bone poses a number of difficulties for the usual multicompartment models. The use of diffusion models based on exchange of lead between blood in...
|
|
|
MULTICOMPARTMENT KINETIC MODELS FOR LEAD. 2. LINEAR KINETICS AND VARIABLE ABSORPTION IN HUMANS WITHOUT EXCESSIVE LEAD EXPOSURES |
|
Multicompartment models with constant fractional transfer rates have been fitted to experimental data on lead metabolism in four subjects studied by M. B. Rabinowitz, G. W. Wetheri...
|
|
|
MULTICOMPONENT AEROSOL DYNAMICS OF THE PB-O2 SYSTEM IN A BENCH SCALE FLAME INCINERATOR |
|
The article gives results of a study to understand the formation and growth of lead particles in a flame incinerator. ench scale flame incinerator was used to perform controlled ex...
|
|
|
MULTIDISCIPLINARY MANAGEMENT OF STORMWATER RUNOFF - THE SHEPHERD CREEK WATERSHED PILOT STUDY |
|
Increased stormwater runoff from urbanized areas is a primary degrading influence on environmental quality. In addition to ecological, hydrological, and consideration of soils and ...
|
|
|
MULTIELEMENTAL ANALYTICAL TECHNIQUES FOR HAZARDOUS WASTE ANALYSIS: THE STATE-OF-THE-ART |
|
Based on a comprehensive review of the literature, the multielemental techniques of inductively coupled plasma optical emission spectroscopy (ICP), x-ray fluorescence (XRF) and ins...
|
|
|
MULTIMEDIA APPROACH TO RISK ASSESSMENT FOR CONTAMINATED SEDIMENTS IN A MARINE ENVIRONMENT |
|
Problems of contaminated sediments frequently occur in dealing with exposure evaluation for rivers, lakes, estuaries, and harbors. These sites represent a special type of Superfund...
|
|
|
MULTISPECIES REACTIVE TRACER TEST IN A SAND AND GRAVEL AQUIFER, CAPE COD, MASSACHUSETTS: PART 1: EXPERIMENTAL DESIGN AND TRANSPORT OF BROMIDE AND NICKEL-EDTA TRACERS |
|
In this report, we summarize a portion of the results of a large-scale tracer test conducted at the U. S. Geological Survey research site on Cape Cod, Massachusetts. The site is l...
|
|
|
MULTISPECIES REACTIVE TRACER TEST IN A SAND AND GRAVEL AQUIFER, CAPE COD, MASSACHUSETTS: PART 2: TRANSPORT OF CHROMIUM (VI) AND LEAD-, COPPER-, AND ZINC-EDTA TRACERS |
|
This report discusses the transport of a group of reactive tracers over the course of a large-scale, natural gradient tracer test conducted at the USGS Cape Cod Toxic Substances Hy...
|
|
|
MULTIVARIATE ANALYSIS ON LEVELS OF SELECTED METALS, PARTICULATE MATTER, VOC, AND HOUSEHOLD CHARACTERISTICS AND ACTIVITIES FROM THE MIDWESTERN STATES NHEXAS |
|
Microenvironmental and biological/personal monitoring information were collected during the National Human Exposure Assessment Survey (NHEXAS), conducted in the six states compri...
|
|
|
MUNICIPAL WASTE COMBUSTION MULTIPOLLUTANT STUDY EMISSION TEST REPORT, MAINE ENERGY RECOVERY COMPANY, RE- FUSE DERIVED FUEL FACILITY, BIDDEFORD, MAINE - VOLUME I: SUMMARY OF RESULTS |
|
The report gives results of an emission test of a new municipal solid waste combustor, in Biddeford, ME, that burns refuse-derived fuel and is equipped with a lime spray dryer fabr...
|
|
|
MUNICIPAL WASTE COMBUSTION, MULTIPOLLUTANT STUDY, EMISSION TEST REPORT, MAINE ENERGY RECOVERY COMPANY REFUSE DERIVED FUEL FACILITY, BIDDEFORD, MAINE - VOLUME I |
|
The report gives results of an emission test of a new municipal solid waste combustor, in Biddeford, ME, that burns refuse-derived fuel and is equipped with a lime spray dryer fabr...
|
|
|
MUNICIPAL WASTE COMBUSTION, MULTIPOLLUTANT STUDY, EMISSION TEST REPORT, MAINE ENERGY RECOVERY COMPANY REFUSE DERIVED FUEL FACILITY, BIDDEFORD, MAINE - VOLUME III: APENDICES G-N |
|
The report gives results of an emission test of a new municipal solid waste combustor, in Biddeford, ME, that burns refuse-derived fuel and is equipped with a lime spray dryer fabr...
|
|
|
MUNICIPAL WASTE COMSUTION, MULTIPOLLUTANT STUDY, EMISSION TEST REPORT, MAINE ENERGY RECOVERY COMPANY REFUSE DERIVED FUEL FACILITY, BIDDEFORD, MAINE - VOLUME II: APPENDICES A-F |
|
The report gives results of an emission test of a new municipal solid waste combustor, in Biddeford, ME, that burns refuse-derived fuel and is equipped with a lime spray dryer fabr...
|
|
|
MUTAGENICITY AND CLASTOGENICITY OF PROFLAVIN IN L5178Y/TK(+/-)-3.7.2.C CELLS |
|
The paper evaluated the ability of proflavin to induce specific-locus mutations at the heterozygous thymidine kinase (tk) locus of L5178Y/TK+/- -3.7.2.C mouse lymphoma cells, which...
|
|
|
Meeting in Atlanta: Lead Scavengers in Old Product Samples: An EPA Evaluation |
|
Slide presentation presented at the ASTWMO meeting on MTBE and other fuel additives on lead scavengers in old product samples. ...
|
|
|
Metal Immobilization Influence On Bioavailability And Remediation For Urban Environments |
|
Immobilization of soil contaminants, such as lead, via phosphate amendments to alter the chemical environment of metals into highly insoluble forms is a well established process. T...
|
|
|
Microwave-Assisted Rapid Access to Bio-active Heterocycles: Synthesis of 1,3,4-Oxadiazoles, 1,3,4-Thiadiazoles, 1,3-Dioxanes, Pyrazoles, Hydrazones and 3,4-Dihydropyrimidin-2(1H)-ones under Benign Conditions |
|
Green chemistry is a rapidly developing new field that provides us a proactive avenue for the sustainable development of future science and technologies.1 It emphasis the use of h...
|
|
|
Mine Waste Technology Program. In Situ Source Control Of Acid Generation Using Sulfate-Reducing Bacteria |
|
This report summarizes the results of the Mine Waste Technology Program (MWTP) Activity III, Project 3, In Situ Source Control of Acid Generation Using Sulfate-Reducing Bacteria, f...
|
|
|
Mine Waste Technology Program. Passive Treatment for Reducing Metal Loading |
|
This report summarizes the results of Mine Waste Technology Program (MWTP) Activity III, Project 48, Passive Treatment Technology Evaluation for Reducing Metal Loading, funded by t...
|
|
|
Monitored Attenuation of Inorganic Contaminants in Ground Water Volume 2 – Assessment for Non-Radionuclides Including Arsenic, Cadmium, Chromium, Copper, Lead, Nickel, Nitrate, Perchlorate, and Selenium |
|
This document represents the second volume of a set of three volumes that address the technical basis and requirements for assessing the potential applicability of MNA as part of a...
|
|
|
Multi-Chambered Treatment Train (MCTT) For Treating Stormwater Runoff From Highly Polluted Source Areas |
|
A full-scaled Multi-Chambered Treatment Train (MCTT) stormwater treatment system was tested in Taiwan during the spring and summer of 2007. The MCTT was installed in a parking lot ...
|
|
|
NATIONAL AIR SURVEILLANCE CASCADE IMPACTOR NETWORK. III. VARIATIONS IN SIZE OF AIRBORNE PARTICULATE MATTER OVER THREE-YEAR PERIOD |
|
A cascade impactor network operating from 1970 through 1972 at eight urban and two nonurban sites indicated that the median size of airborne particles on a mass basis appeared to i...
|
|
|
NATIONAL CRITICAL LOADS FRAMEWORK FOR ATMOSPHERIC DEPOSITION: III. DEPOSITION CHARACTERIZATION |
|
Methods are discussed for describing patterns of current wet and dry deposition under various scenarios. t is proposed that total deposition data across an area of interest are the...
|
|
|
NATIONAL HUMAN EXPOSURE ASSESSMENT SURVEY (NHEXAS): ANALYSIS OF EXPOSURE PATHWAYS AND ROUTES FOR ARSENIC AND LEAD IN EPA REGION 5 |
|
The National Human Exposure Assessment Survey (NHEXAS) Phase I field study conducted in EPA Region 5 (Great Lakes Area) provides extensive exposure data on a representative sampl...
|
|
|
NATIONAL HUMAN EXPOSURE ASSESSMENT SURVEY (NHEXAS): DISTRIBUTIONS AND ASSOCIATIONS OF LEAD, ARSENIC AND VOLATILE ORGANIC COMPOUNDS IN EPA REGION 5 |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
NATIONAL PERFORMANCE AUDIT PROGRAM AMBIENT AIR AUDITS OF ANALYTICAL PROFEICIENCY--1988 |
|
This report presents the results of the U.S Environmental Protection Agencys 1988 National Ambient Air Performance Audit Program, Semiannual audits were conducted for lead, nitrate...
|
|
|
NATIONAL PERFORMANCE AUDIT PROGRAM: 1979 PROFICIENCY SURVEYS FOR SULFUR DIOXIDE, NITROGEN DIOXIDE, CARBON MONOXIDE, SULFATE, NITRATE, LEAD AND HIGH VOLUME FLOW |
|
The Quality Assurance Division of the Environmental Monitoring Systems Laboratory, Research Triangle Park, North Carolina, administers semiannual Surveys of Analytical Proficiency ...
|
|
|
NATIONAL PERFORMANCE AUDIT PROGRAM: 1980 PROFICIENCY SURVEY FOR SULFUR DIOXIDE, NITROGEN DIOXIDE, CARBON MONOXIDE, SULFATE, NITRATE, LEAD AND HIGH VOLUME FLOW |
|
Based on authority granted by provisions of the Clean Air Act (42 U.S.C 7410, et seq.), the Quality Assurance Division of the Environmental Monitoring Systems Laboratory, Research ...
|
|
|
NATIONAL PERFORMANCE AUDIT PROGRAM: AMBIENT AIR AUDITS OF ANALYTICAL PROFICIENCY - 1982 |
|
The report summarizes results of the Ambient Air Audits of Analytical Proficiency for the calendar year 1982. Audits were conducted for SO2, NO2, sulfate, nitrate, lead, carbon mon...
|
|
|
NATIONAL REPORT ON HUMAN EXPOSURE TO ENVIRONMENTAL CHEMICALS |
|
The National Report on Human Exposure to Environmental Chemicals is a new publication that will provide an ongoing assessment of the U.S. population's exposure to environmental che...
|
|
|
NATIONAL SURVEYS OF MULTIPLE ENVIRONMENTAL HAZARDS TO YOUNG CHILDREN IN HOMES AND CHILD CARE CENTERS |
|
The Department of Housing and Urban Development (HUD) has teamed with other federal agencies to characterize exposure of multiple environmental hazards to young children in two m...
|
|
|
NATO/CCMS PILOT STUDY - EVALUATION OF DEMONSTRATED AND EMERGING TECHNOLOGIES FOR THE TREATMENT OF CONTAMINATED LAND AND GROUNDWATER (PHASE III) |
|
The Council of the North Atlantic Treaty Organization (NATO) established the Committee on the Challenges of Modern Society (CCMS) in 1969. CCMS was charged with developing meaningf...
|
|
|
NATURE OF CUMULATIVE IMPACTS ON BIOTIC DIVERSITY OF WETLAND VERTEBRATES |
|
There is no longer any doubt that cumulative impacts have important effects on wetland vertebrates. he interactions of species diversity and community structure produce a complex p...
|
|
|
NEARBY LAKE SEDIMENT QUALITY AND SEEDLING TREE SURVIVAL ON ERODED OILY WASTE/BRINE CONTAMINATED SOIL |
|
An ecosystem restoration study is being conducted at an old oil production area in Northeast Oklahoma. Surface soil samples from areas impacted by discarded crude oil and brine was...
|
|
|
NERL'S QUEST TO REDUCE UNCERTAINTIES IN CHILDREN'S HEALTH AND RISK ASSESSMENTS |
|
Data on children's exposure to chemical contaminants and their activities are very limited. Quantitative assessments rely heavily on major default assumptions as substitutes for...
|
|
|
NEUROBEHAVIORAL CONSEQUENCES OF LOW LEAD EXPOSURE IN CHILDHOOD |
|
Children attending non-remedial first and second grades were classified according to the concentration of lead in their shed deciduous teeth. Children in the lowest and highest ten...
|
|
|
NEURODEVELOPMENTAL EFFECTS OF ENVIRONMENTAL EXPOSURES |
|
Neurodevelopmental Effects of Environmental Exposures
Sherry G. Selevan, Pauline Mendola, Deborah C. Rice (US EPA, Washington,
DC)
The nervous system starts developm...
|
|
|
NEUROELECTRICAL CORRELATES OF CATEGORICAL PERCEPTION FOR PLACE OF ARTICULATION IN NORMAL AND LEAD-TREATED RHESUS MONKEYS |
|
Categorical perception of place of articulation contrasts was evaluated in rhesus monkeys. The monkeys had been chronically exposed to subclinical levels of lead, either from conce...
|
|
|
NEUROENDOCRINE AND REPRODUCTIVE EFFECTS OF PESTICIDES |
|
Neuroendocrine and Reproductive Effects of Pesticides
1Stoker, TE, Goldman 2, JM and Cooper 2, RL.
1Gamete and Early Embryogenesis Biology Branch and 2 Endocrinology ...
|
|
|
NEUROTOXIC EFFECTS OF ENVIRONMENTAL AGENTS: DATA GAPS THAT CHALLENGE DOSE-RESPONSE ESTIMATION |
|
Neurotoxic effects of environmental agents: Data gaps that challenge dose-response estimation
S Gutter*, P Mendola+, SG Selevan**, D Rice** (*UNC Chapel Hill; +US EPA, NHEERL; ...
|
|
|
NEW 3D TECHNIQUES FOR RANKING AND PRIORITIZATION OF CHEMICAL INVENTORIES |
|
New three-dimensional quantitative structure activity (3-D QSAR) techniques for prioritizing chemical inventories for endocrine activity will be presented. The Common Reactivity Pa...
|
|
|
NEW DEVELOPMENTS IN A HAZARD IDENTIFICATION ALGORITHM FOR HORMONE RECEPTOR LIGANDS |
|
Notable attributes of the COREPA-C algorithm include flexibility in establishing stereoelectronic descriptor criteria for identifying active and non-active compounds and the abilit...
|
|
|
NEW DEVELOPMENTS IN A HAZARD IDENTIFICATION ALGORITHM FOR HORMONE RECEPTOR LIGANDS |
|
Recently we described the COmmon REactivity PAttern (COREPA) techniques to screen data sets of diverse structures for their ability to serve as ligands for steroid hormone receptor...
|
|
|
NEW DIRECTIONS FOR RESEARCH IN EPA |
|
The Environmental Protection Agency's (EPA) Office of Research and Development (ORD) carries out research programs, many of which help EPA fulfill its environmental protection prog...
|
|
|
NEW DIRECTIONS: VOCS AND BIOSPHERE-ATMOSPHERE FEEDBACKS |
|
Shallcross and Monks [New Directions: a Role For Isoprene in Biosphere-Climate-Chemistry Feedbacks, Atmospheric Environment, Vol. 34 (2000) pp. 1659-1660] recently summarized the...
|
|
|
NEW FRONTIER IN UNDERSTANDING THE MECHANISMS OF DEVELOPMENTAL ABNORMALITIES |
|
Recent advancements in molecular developmental biology afford an opportunity to apply newly developed tools for understanding the mechanisms of both normal and abnormal development...
|
|
|
NEW INSIGHTS INTO LEAD AND COPPER CORROSION CONTROL AND TREATMENT CHANGE IMPACTS |
|
This presentation summarizes recent research into the chemistry of lead corrosion control, and focus on different areas that could impact the prediction of whether or not particula...
|
|
|
NEW INSIGHTS INTO LEAD CORROSION CONTROL AND TREATMENT CHANGE IMPACTS |
|
This presentation will summarize recent research into the chemistry of lead corrosion control, and focus on five different areas that could impact the prediction of whether or not ...
|
|
|
NEWS - SUSTAINABILITY SCIENCE |
|
A series of papers contributed by a diversified collection of researchers endeavor to depict sustainability science as an incomplete but necessary global endeavor. Their concern ...
|
|
|
NHEXAS PHASE I ARIZONA STUDY--STANDARD OPERATING PROCEDURE FOR VERIFICATION AND TRANSFER OF DATA TO UA (BCO-G-3.1) |
|
The purpose of this SOP is to describe the process of entering analytical results into the NHEXAS analytical results database. The NHEXAS database consists of separate modules for...
|
|
|
NHEXAS PHASE I REGION 5 STUDY--QUALITY SYSTEMS AND IMPLEMENTATION PLAN FOR HUMAN EXPOSURE ASSESSMENT STUDY (RTI/5740/02-02QSIP) |
|
The RTI/EOHSI Consortium scoping studies were designed to be part of the total NHEXAS framework that was developed as a result of a series scientific discussions and workshops cond...
|
|
|
NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF DUPLICATE DIET FOOD AND BEVERAGE SAMPLES (RTI/ACS-AP-209-030) |
|
This protocol describes the procedure for measuring dietary intake of the primary elemental analytes lead and arsenic, as well as several secondary analytes. The procedures describ...
|
|
|
NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF FLUSH AND DRINKING WATER OR DRINKING WATER SAMPLES FOR METALS AND ARSENIC BY EPA METHOD 200.8 (RTI/ |
|
This protocol describes the procedures for the collection, storage, and shipping of flush and drinking water samples to be analyzed by EPA Method 200.8 (version 5.4). Samples of fl...
|
|
|
NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF HAIR SAMPLES FOR TRACE METALS AND ARSENIC (RTI/ACS-209-046) |
|
This protocol describes the procedures for the collection, storage, and shipping of human scalp hair samples for trace metals and arsenic or potential adduct analysis. Scalp hair s...
|
|
|
NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE FOR COLLECTION, STORAGE, AND SHIPMENT OF STANDING TAP WATER SAMPLES FOR METALS AND ARSENIC BY EPA METHOD 200.8 (RTI/ACS-AP-209-001) |
|
This protocol describes the procedures for the collection, storage, and shipping of standing tap water samples to be analyzed by EPA Method 200.8 (version 4.4). Standing tap water ...
|
|
|
NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE--ANALYSIS OF DUST AND SOIL FOR LEAD, CADMIUM, AND CHROMIUM (RTI/ACS-AP-209-120) |
|
This protocol describes methodology and quality control measures used in the analysis of dust wipes, wet wipes, soil, and the rug/mat for metals. The samples were extracted with a ...
|
|
|
NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE--ANALYSIS OF TEFLON FILTERS USED IN PERSONAL AIR MONITORING SAMPLERS FOR LEAD, ARSENIC, CADMIUM, AND CHROMIUM (RTI/ACS-AP-209-111) |
|
This protocol provides guidelines for the analysis of Teflon filter samples for toxic metals, either by graphite furnace atomic absorption spectrometry (GFAAS) or by hydride genera...
|
|
|
NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE--DUST SAMPLING WORKPLAN (RTI/ACS-AP-209-020) |
|
This procedure describes the work plan for collecting house dust samples. Wipe samples were collected to determine the concentrations (ug/g) and loadings (ug/cm2) of trace metals i...
|
|
|
NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE--HUMAN BIOLOGICAL MARKERS:BLOOD AND URINE SAMPLE COLLECTION AND ANALYSES (EOHSI-AP-209-040) |
|
This procedure describes the process for collecting and analyzing blood and urine samples. The presence of chemical contaminants in biological specimens such as blood, urine, and h...
|
|
|
NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE--PERSONAL, INDOOR AND OUTDOOR AIR SAMPLING PROCEDURES FOR TOTAL INSPIRABLE AND PM10 AEROSOLS (RTI/ACS-AP-209-010) |
|
This protocol describes the procedures for field application of personal, indoor, and outdoor air sampling systems to collect integrated aerosol samples using a battery operated pe...
|
|
|
NITRIFICATION, AND IRON AND ARSENIC REMOVAL IN BIOLOGICALLY ACTIVE FILTERS: A CASE STUDY |
|
The effectiveness of arsenic removal from water is largely dependent on the oxidation state of the arsenic. As (III) is much more difficult to remove relative to the oxidized As(V...
|
|
|
NITROGEN SATURATION IN NORTHERN FOREST ECOSYSTEMS |
|
In this article we provide a formal definition of nitrogen saturation and set forth a series of testable hypotheses regarding the states of forest ecosystem response to chronic nit...
|
|
|
NON-AUTONOMOUS LOGISTIC EQUATIONS AS MODELS OF POPULATIONS IN A DETERIORATING ENVIRONMENT |
|
The non-autonomous logistic equation is studied under conditions that include an environment which is completely deteriorating. A re-interpretation of the parameters of the logisti...
|
|
|
NONFERROUS INDUSTRY PARTICULATE EMISSIONS: SOURCE CATEGORY REPORT |
|
The report gives results of the development of particulate emission factors based on cutoff size for inhalable particles for the nonferrous industry. After a review of available in...
|
|
|
NONPOINT SOURCE POLLUTION AND WETLAND MITIGATION |
|
Nonpoint source pollution (NPS) is the major cause of impairment of U.S. surface waters. rosion from croplands has been declining but is not yet reflected in decreased sediment yie...
|
|
|
NONWOVEN FABRIC FILTERS FOR PARTICULATE REMOVAL IN RESPIRABLE DUST RANGE |
|
The report gives results of an extension of studies of the influences of fiber geometric properties on the ability of nonwoven fabrics to filter particles from gas streams to a wid...
|
|
|
NORMATIVE SCIENCE |
|
Effectively resolving the typical fisheries policy issue requires providing an array of scientific information to decision-makers. In my experience, the ability of scientists (and...
|
|
|
NORMATIVE SCIENCE: A CORRUPTING INFLUENCE IN ECOLOGICAL AND NATURAL RESOURCE POLICY |
|
Effectively resolving the typical ecological or natural resource policy issue requires providing an array of scientific information to decision-makers. The ability of scientists...
|
|
|
NORMATIVE SCIENCE: A CORRUPTING INFLUENCE IN ECOLOGICAL POLICY |
|
Effectively resolving the typical ecological policy issue requires providing an array of scientific information to decision-makers. In my experience, the ability of scientists (an...
|
|
|
NORMATIVE SCIENCE: SUBVERTING DEVELOPMENT OF SOUND FISHERIES POLICY |
|
Effectively resolving the typical fisheries policy issue requires an array of scientific information as part of the input provided to decision-makers. In my experience, the abilit...
|
|
|
NORTH AMERICA'S SOUND MANAGEMENT OF CHEMICALS INITIATIVE: APPLICATION OF SELECTION CRITERIA TO DIOXINS/FURANS, HEXACHLOROBENZENE, AND HEXACHLOROCYCLOHEXANES |
|
In October 1997, the North American Commission for Environmental Cooperation finalized its process for identifying candidate substances for regional action under the Sound Manage...
|
|
|
NORTHEAST LOON STUDY WORKING GROUP PARTNERSHIP TO ASSESS ENVIRONMENTAL RISK |
|
The Northeast Loon Study Working Group (NELSWG) was formed in 1994 to proactively identify threats to one of the Northeast's most popular waterbirds, the common loon, Gavia immer. ...
|
|
|
NUTRIENTS FOR BACTERIAL GROWTH IN DRINKING WATER: BIOASSAY EVALUATION |
|
The regrowth of bacteria in drinking water distribution systems can lead to the deterioration of water quality. Pathogenic bacteria are heterotrophs, and heterotrophs are probably ...
|
|
|
OASIS: PARAMETER ESTIMATION SYSTEM FOR AQUIFER RESTORATION MODELS, USER'S MANUAL VERSION 2.0 |
|
OASIS, a decision support system for ground water contaminant modeling, has been developed for the CPA by Rice University, through the National Center for Ground Water Research. As...
|
|
|
OCCURRENCE AND SIGNIFICANCE OF TETRAVALENT LEAD IN NEW ENGLAND |
|
USEPA analyses of lead service line specimens throughout the United States have found evidence of substantial tetravalent lead (Pb+4 in the form of PbO2 solids) in one or more samp...
|
|
|
ON ENERGY AND SUSTAINABILITY (PERSONAL COLUMN) |
|
The use of energy is a major and desirable feature of modern human existence, but it has significant impact on the planetary environment. It is, therefore, an important issue in t...
|
|
|
ON TRIMODAL PARTICLE SIZE DISTRIBUTIONS IN FLY ASH FROM PULVERIZED COAL COMBUSTION |
|
Combustion generated fine particles, defined as those with aerodynamic diameters less than 2.5 micrometers, have come under increased regulatory scrutiny because of suspected links...
|
|
|
ONSITE ENGINEERING REPORT FOR SOLIDIFICATION/ STABILIZATION TREATMENT TESTING OF CONTAMINATED SOILS |
|
The EPA's Office of Solid Waste and Emergency Response (OSWER) is currently developing land disposal restrictions (LDRs) for contaminated soil and debris (CS&D). The Office of Rese...
|
|
|
ONSITE ENGINEERING REPORT FOR SOLIDIFICATION/STABILIZATION TREATMENT TESTING OF CONTAMINATED SOILS |
|
A pilot-scale test of the S/S technology was conducted in Cincinnati, Ohio in coordination with IT Corporation and the University of Cincinnati. hree different hinders (portland ce...
|
|
|
OPTIMAL SCHEDULING OF BOOSTER DISINFECTION IN WATER DISTRIBUTION SYSTEMS |
|
Booster disinfection is the addition of disinfectant at locations distributed throughout a water distribution system. Such a strategy can reduce the mass of disinfectant required ...
|
|
|
OPTIMIZATION OF STATE WATER QUALITY MONITORING SYSTEMS |
|
The water quality monitoring activities required of the States under the Federal Water Pollution Control Act Amendments (PL92-500) will require resources well beyond what is likely...
|
|
|
ORD GROUND WATER RESEARCH PLAN: STRATEGY FOR FY 1991 AND BEYOND |
|
This document describes a ground water research plan for EPA's Office of Research and Development (ORD). The ground water research program is carried out by ORD's Office of Environ...
|
|
|
ORD Technical Outreach and Support Activities on Sustainable Mining Applications |
|
Hardrock mining has played a significant role in the development of economies, consumer products and defense in the United States from the start of industrialization. Currently, t...
|
|
|
ORGANOCHLORINE, ORGANOBROMINE, METAL, AND SELENIUM RESIDUES IN BOTTLENOSE DOLPHINS (TURSIOPS TRUNCATUS) COLLECTED DURING AN UNUSUAL MORTALITY EVENT IN THE GULF OF MEXICO, 1990 |
|
Polychlorinated biphenyls (PCBs), cis-chlordane, oxychlordane, heptachlor epoxide, mirex, hexachlorobenzene HCB), lindane, octachlorostyrene (OCS),p,p'-DDE,p,p'-DDT, dieldrin, trip...
|
|
|
ORIGIN OF CARBONACEOUS PARTICLES IN AMERICAN CITIES: RESULTS OF RADIOCARBON 'DATING' AND CHEMICAL CHARACTERIZATION |
|
During the past three years radiocarbon assay has emerged as a primary tool in the quantitative assignment of sources of urban and rural particulate pollution. Its use in several m...
|
|
|
ORIGINS AND TEMPORAL SCALES OF HYPOXIA ON THE LOUISIANA SHELF: IMPORTANCE OF BENTHIC AND SUB-PYCNOCLINE WATER METABOLISM |
|
Hypoxic-to-anoxic conditions (2–0 mg O2 l− 1) occur in the bottom waters of the northern Gulf of Mexico on the Louisiana shelf west of the Mississippi river delta during late sprin...
|
|
|
OUTBREAKS ASSOCIATED WITH RECREATIONAL WATER IN THE UNITED STATES |
|
In this article, we review the causes of outbreaks associated with recreational water during 1971-2000. A bacterial or protozoan etiology was identified in three-quarters of the ou...
|
|
|
OUTREACH TO MANUFACTURERS OF LEAD TEST KITS |
|
Lead test kits offer a potentially rapid, inexpensive, and simple to use technique for the analysis of low levels of lead in paint, soil, and house dust. n order to assess the feas...
|
|
|
OVERVIEW OF CONTAMINANT INTERACTIONS WITH SURFACE FILMS, ZOOPLANKTON, AND FISH |
|
Surface films contain organic matter, rich in lipids which serves to trap contaminants from the atmosphere. At specific times of the day, surface films may also entrap significant ...
|
|
|
OVERVIEW OF THE PRINCIPALS OF CORROSION IN DRINKING WATER SYSTEMS AND COMMON STRATEGIES INVOLVED IN CENTRAL WATER TREATMENT TO REDUCE CORROSION |
|
The newly promulgated Lead and Copper Rule is going to force substantial changes in the way water utilities of all sizes treat their water and control corrosion. orrosion is fascin...
|
|
|
OXIDANT/DISINFECTANT CHEMISTRY AND IMPACTS ON LEAD CORROSION |
|
In response to continued elevated lead levels throughout the District of Columbia's distribution system, a collaboration was begun with the District of Columbia's Water & Sewer Aut...
|
|
|
OXIDANT/DISINFECTANT CHEMISTRY AND IMPACTS ON LEAD CORROSION |
|
In response to continued elevated lead levels throughout the District of Columbia's distribution system, a collaboration was begun with the District of Columbia's Water & Sewer Aut...
|
|
|
OZONE MULTI-YEAR PLAN |
|
The tropospheric ozone research program addresses not only ozone, but other criteria pollutants such as SO2, nitrogen dioxide, carbon monoxide, and lead. It focuses on developing t...
|
|
|
Organic Carbon as Inhibitor to SVOC and Metal Migration |
|
The Safe Drinking Water Act (SDWA) authorizes the Underground Injection Control (UIC) program to protect underground drinking water (USDW) sources from contamination caused by unde...
|
|
|
Organic Carbon as Inhibitor to SVOC and Metal Migration in Stormwater Drywells Discharging to the Subsurface-SLIDES |
|
The Safe Drinking Water Act (SDWA) authorizes the Underground Injection Control (UIC) program to protect underground drinking water (USDW) sources from contamination caused by unde...
|
|
|
Overview of ToxCast |
|
In 2007, EPA launched ToxCast™ in order to develop a cost-effective approach for prioritizing the toxicity testing of large numbers of chemicals in a short period of time. Using da...
|
|
|
PALEOLIMNOLOGICAL RECONSTRUCTION OF HISTORICAL ATMOSPHERIC LEAD AND MERCURY DEPOSITION AT LAKE TAHOE, CALIFORNIA-NEVADA. (R826282) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
PAPERS ADDRESSING SCIENTIFIC ISSUES IN THE RISK ASSESSMENT OF METALS |
|
EPA has recognized the need for consistent application of methods and data to metals risk assessment in consideration of the unique properties of metals. To inform the consideratio...
|
|
|
PAPERS ADDRESSING SCIENTIFIC ISSUES IN THE RISK ASSESSMENT OF METALS (EXTERNAL REVIEW DRAFT) |
|
These papers have been developed in support of an ongoing effort within the U.S. Environmental Protection Agency (EPA) to develop an integrated framework for metals risk assess...
|
|
|
PARAMETRIC STUDIES DELINEATING THE OCCURRENCE OF TRANSIENT PUFFS IN A ROTARY KILN SIMULATOR |
|
The paper gives results of an experimental investigation into the waste properties and kiln parameters that determine both the instantaneous intensity and total magnitude of transi...
|
|
|
PARTIAL LEAST SQUARES (PLS) REGRESSION FOR SMALL SAMPLE WITH COLLINEAR PREDICTORS IN LANDSCAPE ECOLOGY |
|
The model results may help landscape ecologists produce indicators of surface water condition, such that unique combinations of these indicators can be used to infer the potential ...
|
|
|
PARTICLE DEPOSITION IN SPONTANEOUSLY HYPERTENSIVE (SH) RATS EXPOSED VIA WHOLE-BODY INHALATION: MEASURED VS. ESTIMATED DOSE. |
|
It has been well documented by epidemiological studies that exposure to elevated levels of ambient particulate matter (PM) can lead to adverse health outcomes, including cardiopulm...
|
|
|
PARTICLE DEPOSITION IN SPONTANEOUSLY HYPERTENSIVE RATS EXPOSED VIA WHOLE-BODY INHALATION: MEASURED AND ESTIMATED DOSE |
|
A plethora of epidemiological studies have shown that exposure to elevated levels of ambient particulate matter (PM) can lead to adverse health outcomes, including cardiopulmonary-...
|
|
|
PARTICLE GROWTH IN HIGH-SPEED PARTICLE BEAM INLETS. (R823980) |
|
Physical and chemical characterization of airborne particles is essential for determining their role in air pollution. Characterization instruments typically employ the use of s...
|
|
|
PARTITIONING OF CADMIUM, COPPER, LEAD AND ZINC AMONG PARTICULATE FRACTIONS AND WATER IN SAGINAW BAY (LAKE HURON) |
|
An intensive study of toxic metals in Saginaw Bay (Lake Huron) during 1976-1979 has resulted in a large data base on the temporal and spatial variability of Cd, Cu, Pb and Zn conce...
|
|
|
PARTITIONING OF METALS IN ROTARY KILN INCINERATION |
|
This research project investigated the fate of trace metals in rotary kiln incineration with venturi- and packed tower-scrubber particulate- and acid gas-control. est plan was deve...
|
|
|
PARTITIONING OF TOXIC TRACE METALS BETWEEN SOLID AND LIQUID PHASES IN THE GREAT LAKES |
|
The interaction between particulate matter and trace metal species in the water column plays an important role in metals transport and fate throughout the Great Lakes environment. ...
|
|
|
PARTNERING TO IMPROVE HUMAN EXPOSURE METHODS |
|
Methods development research is an application-driven scientific area that addresses programmatic needs. The goals are to reduce measurement uncertainties, address data gaps, and i...
|
|
|
PATTERNS OF SOIL ORGANIC MATTER STABILIZATION IN A TRANSECT OF MATURE FORESTS IN THE PACIFIC NORTHWEST USA |
|
Ecosystem soils influence the cycling of nutrients, movement and storage of water, and serve as an important global reservoir of carbon (C). The accumulation and storage of C in s...
|
|
|
PB: IN SEARCH OF THE FACTS |
|
The overview addresses the biological impact of lead -- its environmental transport to man and its effect on man -- and serves as a guide to the best sources of information current...
|
|
|
PEPTIDE BINDING AS A MODE OF ACTION FOR THE CARCINOGENICITY AND TOXICITY OF ARSENIC |
|
Arsenic exposure leads to tumors in human skin, lung, urinary bladder, kidney and liver. Three likely initial stages of arsenical-macromolecular interaction are (1) binding of triv...
|
|
|
PERCHLORATE LEVELS IN SAMPLES OF SODIUM NITRATE FERTILIZER DERIVED FROM CHILEAN CALICHE |
|
Paleogeochemical deposits in northern Chile are a rich source of naturally occurring sodium nitrate. These caliche ores are mined and processed to isolate NaNO3 (16-0-0) for use i...
|
|
|
PERFORMANCE OF POLYVINYL ALCOHOL GEL COLUMNS ON THE ION CHROMATOGRAPHIC DETERMINATION OF PERCHLORATE IN FERTILIZERS |
|
Interest in possible sources of perchlorate (ClO4-) that could lead to environmental release has been heightened since the EPA placed this anion on its Contaminant Candidate List (...
|
|
|
PERFORMANCE TESTING OF METHOD 1312-QA SUPPORT FOR RCRA TESTING |
|
The question of how to access the risks associated with ground water contamination from soils containing toxic substances is a critical issue for the Agency. A major limitation of ...
|
|
|
PERFORMANCE VERIFICATION TEST FOR FIELD-PORTABLE MEASUREMENTS OF LEAD IN DUST |
|
The US Environmental Protection Agency (EPA) Environmental Technology Verification (ETV) program (www.epa.jzov/etv) conducts performance verification tests of technologies used for...
|
|
|
PERMEABLE TREATMENT WALL EFFECTIVENESS MONITORING PROJECT, NEVADA STEWART MINE |
|
This report summarizes the results of Mine Waste Technology Program (MWTP) Activity III, Project 39, Permeable Treatment Wall Effectiveness Monitoring Project, implemented and fund...
|
|
|
PERSISTENT CONTAMINANTS: NEW PRIORITIES, NEW CONCERNS |
|
The Stockholm Convention on persistent organic pollutants (POPs) was adopted in 2001 to protect human health and the environment from chemicals that are highly toxic, persiste...
|
|
|
PERSISTENT, BIOACCUMULATIVE, AND TOXIC POLLUTANTS (PBTS) |
|
Article describes the class of compounds known as persistent, bioaccumulative, and toxic pollutants (known as PBTs), including the mechanisms responsible for ability to build up th...
|
|
|
PERSPECTIVES ON LARGE-SCALE NATURAL RESOURCES SURVEYS WHEN CAUSE-EFFECT IS A POTENTIAL ISSUE |
|
Our objective is to present a perspective on large-scale natural resource monitoring when cause-effect is a potential issue. We believe that the approach of designing a survey to m...
|
|
|
PESTICIDE EXPOSURE AND CHIRAL CHEMISTRY: THE PYRETHROID FAMILY |
|
Advances in chiral chromatography significantly advanced
the ability to analyze individual enantiomers of chiral
compounds. These techniques are being employed at the
U.S. EPA f...
|
|
|
PESTICIDE MEASUREMENT RESULTS FROM THE FIRST NATIONAL ENVIRONMENTAL SURVEY OF CHILD CARE CENTERS |
|
Approximately 13 million children are placed in non-parental child care during the work day; however, children's exposures to chemicals in child care centers have not been characte...
|
|
|
PESTICIDE MEASUREMENTS FROM THE FIRST NATIONAL ENVIRONMENTAL HEALTH SURVEY OF CHILD CARE CENTERS USING A MULTI-RESIDUE GC/MS ANALYSIS METHOD |
|
The US Department of Housing and Urban Development, in collaboration with the US Consumer Product Safety Commission and the US Environmental Protection Agency, characterized the en...
|
|
|
PESTICIDE RESULTS FROM AN INTERAGENCY EFFORT TO CHARACTERIZE CONTAMINANTS IN CHILD CARE CENTERS |
|
Approximately 13 million children are placed in non-parental child care during the work day; but, children's exposures to chemicals in child care centers have not been characteri...
|
|
|
PHARMACEUTICALS AND PERSONAL CARE PRODUCTS (PPCP'S) AS ENVIRONMENTAL POLLUTANTS: POLLUTION FROM PERSONAL ACTIONS |
|
The occurrence of pharmaceuticals and personal care products (PPCPs) as trace environmental pollutants is a multifaceted issue whose scope of concerns continues to expand. PPCPs c...
|
|
|
PHARMACEUTICALS AND PERSONAL CARE PRODUCTS (PPCPS) AS ENVIRONMENTAL POLLUTANTS |
|
The occurrence of pharmaceuticals and personal care products (PPCPs) as trace environmental pollutants is a multifaceted issue whose scope of concerns continues to expand. PPCPs c...
|
|
|
PHARMACEUTICALS AND PERSONAL CARE PRODUCTS (PPCPS) AS ENVIRONMENTAL POLLUTANTS: POLLUTION FROM PERSONAL ACTIONS |
|
The occurrence of pharmaceuticals and personal care products (PPCPs) as trace environmental pollutants is a multifaceted issue whose scope of concerns continues to expand. PPCPs co...
|
|
|
PHARMACEUTICALS AND PERSONAL CARE PRODUCTS: DIVERSE GALAXY OF ENVIRONMENTAL POLLUTANTS |
|
The occurrence of pharmaceuticals and personal care products (PPCPs) as trace environmental pollutants is a multifaceted issue whose scope of concerns continues to expand. PPCPs c...
|
|
|
PHARMACEUTICALS AND UBIQUITOUS POLLUTANTS: SIGNIFICANCE, CONCERNS, SOLUTIONS |
|
The occurrence of pharmaceuticals and personal care products (PPCPs) as trace environmental pollutants is a multifaceted issue whose scope of concerns continues to expand. PPCPs co...
|
|
|
PHILADELPHIA ROADWAY STUDY |
|
The Philadelphia Roadway Study was conducted to determine the horizontal and vertical extinction profiles of particles generated by vehicles, including fine (0-2.5 micrometers), co...
|
|
|
PHOSPHATE CHEMICALS FOR BUILDING POTABLE WATER TREATMENT |
|
Buildings can contribute significant quantities of trace metal contamination to drinking water, particularly lead, copper and zinc. Discolored water may also result in corroded gal...
|
|
|
PHOSPHORUS SOURCE AND RATE EFFECTS ON CADMIUM, LEAD, AND ZINC BIOAVAILABILITY IN A METAL-CONTAMINATED SOIL. (R825549C047) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
PHYSICAL FACTORS AFFECTING LUNG DEPOSITION OF CIGARETTE SMOKE (WITH SYNCARCINOGENIC RADON PROGENY EFFECTS), AND MINERAL FIBER PARTICULATE MATTER |
|
Unusual dynamic factors affecting the behavior and fate of inhaled cigarette-smoke particles and mineral fibers within the human lung are addressed. The actions of interception, fo...
|
|
|
PILOT PROJECT CLOSE UP: ORD RESEARCH INVENTORY |
|
Harvey, Jim and Elin Ulrich. 2004. Pilot Project Close Up: ORD Research Inventory. Changing Times. Pp. 1. (ERL,GB R1022).
At the January 2003 summit, many people were drawn...
|
|
|
PILOT STUDIES OF IN-SITU BIO-TRANSFORMATION OF MERCURY-CONTAMINATED GROUNDWATER IN KAZAKHSTAN UTILIZING NATIVE BACTERIA |
|
Several regions in the Republic of Kazakhstan and throughout the former USSR are contaminated with mercury resulting from industrial releases. Our studies directed towards determin...
|
|
|
PILOT STUDY PROTOCOL: APPLICATION OF MEASURES OF SPONTANEOUS MOTOR ACTIVITY FOR BEHAVORIAL ASSESSMENT IN HUMAN INFANTS |
|
As a participant in planning the National Childrens Study (NCS), EPA is interested in the investigation of key developmental disorders that may be associated with environmental exp...
|
|
|
PILOT-SCALE INCINERABILITY EVALUATION OF ARSENIC- AND LEAD-CONTAMINATED SOILS FROM TWO SUPERFUND SITES |
|
Two incineration test programs were conducted at EPA's Incineration Research Facility to evaluate the suitability of incineration as an option to treat-contaminated Superfund site ...
|
|
|
PILOT-SCALE INCINERATION OF CONTAMINATED SLUDGES FROM THE BOFORS-NOBEL SUPERFUND SITE |
|
A detailed test program was performed at the U.S. Environmental Protection Agency’s (EPA’s) Incineration Research Facility (IRF) to help determine the effectiveness of ...
|
|
|
PILOT-SCALE INCINERATION OF CONTAMINATED SLUDGES FROM THE BOFORS-NOBEL SUPERFUND SITE |
|
A detailed test program was performed at the U.S. EPA Incineration Research Facility to help determine the effectiveness of incineration in treating two contaminated lagoon sludges...
|
|
|
PILOT-SCALE INCINERATION OF CONTAMINATED SOIL FROM THE PURITY OIL SALES AND MCCOLL SUPERFUND SITES |
|
An incineration test program was conducted at the U.S. Environmental Protection Agency's Incineration Research Facility to evaluate the potential of incineration as an option to tr...
|
|
|
PILOT-SCALE INCINERATION OF PCB-CONTAMINATED SEDIMENTS FROM THE HOT SPOT OF THE NEW BEDFORD HARBOR SUPERFUND SITE |
|
Testing was performed at the EPA's Incineration Research Facility (IRF) to determine the incinerability of contaminated marine sediment from the Hot Spot in the New Bedford Harbor ...
|
|
|
PILOT-SCALE INCINERATION OF PCB-CONTAMINATED SEDIMENTS FROM THE NEW BEDFORD HARBOR HOT SPOT SUPERFUND SITE |
|
Testing was performed at the EPA's Incineration Research Facility (IRF) to determine the incinerability of contaminated marine sediment from the Hot Spot in the New Bedford Harbor ...
|
|
|
PILOT-SCALE INCINERATION TESTING OF FLUFF AND SOIL FROM THE M.W. MANUFACTURING SUPERFUND SITE |
|
A series of six tests was performed on wastes (fluff and contaminated soil) from the M.W. Manufacturing Superfund Site to determine the efficacy of incineration as the proposed rem...
|
|
|
PILOT-SCALE STUDIES ON THE INCINERATION OF ELECTRONICS INDUSTRY WASTE |
|
The paper describes experiments performed on a pilot-scale rotary kiln incinerator to investigate the emissions and operational behavior during the incineration of consumer electro...
|
|
|
PLANT RESPONSE TO AIR POLLUTION |
|
Air pollutants have a negative impact on plant growth, primarily through interfering with resource accumulation. ince leaves are in close contact with the atmosphere, many air poll...
|
|
|
PLASMID DNA DAMAGE CAUSED BY STIBINE AND TRIMETHYLSTIBINE |
|
The in vitro genotoxicity of stibine and trimethylstibine
Abstract
Antimony is classified as `possibly carcinogenic to humans' and there is also sufficient evidence for a...
|
|
|
PLUMBOSOLVENCY REDUCTION BY HIGH PH AND LOW CARBONATE-SOLUBILITY RELATIONSHIPS |
|
Experiments were conducted to study the effect of a pH > or = 9.0 and a low total inorganic carbonate (TIC) concentration of 10 to 80 mg as CaCO3/L on lead solubility. The results ...
|
|
|
POHC (PRINCIPAL ORGANIC HAZARDOUS CONSTITUENT) ANALYSIS METHODS FOR HAZARDOUS WASTE INCINERATION. VOLUME 2 |
|
The report gives preliminary data on methodology for two groups of compounds: organometallics and other organic compounds difficult to measure by the generalized methods. Previous ...
|
|
|
POLLUTANT DYNAMICS AS INFLUENCED BY SEAGRASS BEDS: EXPERIMENTS WITH TRIBUTYLTIN IN THALASSIA MICROCOSMS |
|
A partitioning, degradation, and bioaccumulation of the potent biocide tributyltin (TBT) was measured in marine microcosms that included sediment cores from a subtropical seagrass ...
|
|
|
POLLUTANTS FROM SYNTHETIC FUELS PRODUCTION: SAMPLING AND ANALYSIS METHODS FOR COAL GASIFICATION |
|
The report describes sampling and analysis methods involving a laboratory-scale coal gasification facility used to study the generation, sampling, chemical analysis, process evalua...
|
|
|
POLLUTION FROM PERSONAL ACTIONS AND ACTIVITIES - PHARMACEUTICALS AND PERSONAL CARE PRODUCTS (PPCPS) |
|
The occurrence of pharmaceuticals and personal care products (PPCPs) as trace environmental pollutants is a multifaceted issue whose scope of concerns continues to expand. PPCPs c...
|
|
|
POLLUTION PREVENTION OPPORTUNITY ASSESSMENT - U.S. POSTAL INSPECTION SERVICE FORENSIC & TECHNICAL SERVICES DIVISION - NATIONAL FORENSIC LABORATORY, DULLES, VIRGINIA |
|
The United States Postal Service (USPS) in cooperation with EPA's National Risk Management Research Laboratory (NRMRL) is engaged in an effort to integrate waste prevention and rec...
|
|
|
POLLUTION PREVENTION OPPORTUNITY ASSESSMENT - U.S. POSTAL SERVICE BULK MAIL CENTER, DALLAS, TEXAS |
|
The United States Postal Service (USPS) in cooperation with EPA’s National Risk Management Research Laboratory (NRMRL) is engaged in an effort to integrate waste prevention a...
|
|
|
POLLUTION PREVENTION OPPORTUNITY ASSESSMENT - U.S. POSTAL SERVICE MATERIALS DISTRIBUTION CENTER, TOPEKA, KANSAS |
|
The United States Postal Service (USPS) in cooperation with EPA's National Risk Management Research Laboratory (NRMRL) is engaged in an effort to integrate Waste prevention and rec...
|
|
|
POLLUTION PREVENTION OPPORTUNITY ASSESSMENT - U.S. POSTAL SERVICE OPERATIONS, MERRIFIELD, VIRGINIA |
|
The United States Postal Service (USPS) in cooperation with EPA’s National Risk Management Research Laboratory (NRMRL) is engaged in an effort to integrate waste prevention a...
|
|
|
POLLUTION PREVENTION OPPORTUNITY ASSESSMENT - U.S. POSTAL SERVICE POST OFFICES, PITTSBURGH, PA AREA |
|
The United States Postal Service (USPS) in cooperation with EPA’s National Risk Management Research Laboratory (NRMRL) is engaged in an effort to integrate waste prevention a...
|
|
|
POLLUTION PREVENTION OPPORTUNITY ASSESSMENT - U.S. POSTAL SERVICE STAMP DISTRIBUTION NETWORK, KANSAS CITY, MISSOURI |
|
The United States Postal Service (USPS) in cooperation with EPA's National Risk Management Research Laboratory (NRMRL) is engaged in an effort to integrate Waste prevention and rec...
|
|
|
PORTABLE TECHNOLOGIES FOR MEASURING LEADING IN DUST |
|
The U.S. Environmental Protection Agency (EPA) Environmental Technology Verification (ETV) program evaluates the performance of innovative air, water, pollution prevention and moni...
|
|
|
POSSIBLE RELATIONSHIP OF SUDDEN INFANT DEATH SYNDROME TO INDOOR AIR QUALITY |
|
Sudden Infant Death Syndrome (SIDS) has been associated with higher rates of maternal smoking and higher body lead content of SIDS victims compared to control infants, matched for ...
|
|
|
POSSIBLE USE OF 'ALCALIGENES PARADOXUS' AS A BIOLOGICAL MONITOR |
|
A tritium (3H2)-oxidizing soil isolate was identified as Alcaligenes paradoxus, a gram-negative, rod-shaped bacterium. This organism belongs to a group of facultative autotrophs re...
|
|
|
POTENTIAL ECOLOGICAL AND NONTARGET EFFECTS OF TRANSGENIC PLANT GENE PRODUCTS ON AGRICULTURE, SILVICULTURE, AND NATURAL ECOSYSTEMS: GENERAL INTRODUCTION |
|
A symposium was held at the University of Maryland Nov. 30 - Dec. 2, 1992, to discuss transgenic plant risk assessment issues for measurement and identification of potential ecolog...
|
|
|
POTENTIAL EFFECTS OF POLYPHOSPHATE PRODUCTS ON LEAD SOLUBILITY IN PLUMBING SYSTEMS |
|
Lead concentrations in drinking water can be minimized by.adjusting the pk and alkalinity. uch lead solubility controls, however, may be offset by other water treatment measures th...
|
|
|
POWERFUL NEW TOOLS FOR ANALYZING ENVIRONMENTAL CONTAMINATION: MASS PEAK PROFILING FROM SELECTED-ION RECORDING DATA AND A PROFILE GENERATION MODEL |
|
Capillary gas chromatography with mass spectrometric detection is the most commonly used technique for analyzing samples from Superfund sites. While the U.S. EPA has developed tar...
|
|
|
PRACTICAL TOOLS FOR ASSESSING CORROSION CONTROL |
|
Lead and copper problems continue to exist for many system
changing water qualities, treatment strategies, nonregulatory
related problems
• Experimental approaches to understa...
|
|
|
PRE-CONCENTRATION METHOD FOR INDUCTIVELY COUPLED PLASMA-MASS SPECTROMETRY |
|
A semi-automated system is used to pre-concentrate Ti, V, Mn, Fe, Co, Ni, Cu, Cd, and Pb. he pre-concentration system accepts digests with acid concentrations equivalent to 0.8% - ...
|
|
|
PRE-RESTORATION GEOMORPHIC AND SEDIMENT CONDITIONS OF MINEBANK RUN, BALTIMORE COUNTY, MARYLAND |
|
Urban streams frequently undergo severe incision and erosion due to flashy streamflows caused by impervious surfaces in the watershed. Such streamflows can lead to unstable sedime...
|
|
|
PRE-RESTORATION GEOMORPHIC AND SEDIMENT CONDITIONS OF MINEBANK RUN, BALTIMORE COUNTY, MARYLAND |
|
Urban streams frequently undergo severe incision and erosion due to flashy streamflows caused by impervious surfaces in the watershed. Such streamflows can lead to unstable sedime...
|
|
|
PRECIPITATION OF METAL-HUMATE COMPLEXES (JOURNAL VERSION) |
|
Concentrations of magnesium found in sea water are capable of precipitating cadmium humate from water solution. Speciation calculations and kinetic considerations indicate that dis...
|
|
|
PREDICTING BACTERIAL CONCENTRATION ON THE NATION'S BEACHES |
|
A classical example of the failure of institutions and environmental technology to protect the nation's aesthetic, recreational, and public health values is represented by the July...
|
|
|
PREDICTING DIVING PLUME BEHAVIOR |
|
The United States Environmental Protection Agency has responded to a number of multi media environmental issues surrounding the use of methyl tertiary butyl ether (MTBE) and other ...
|
|
|
PREDICTING ESTUARINE SEDIMENT METAL CONCENTRATIONS AND INFERRED ECOLOGICAL CONDITIONS: AN INFORMATION THEORETIC APPROACH |
|
Empirically derived values associating sediment metal concentrations with degraded ecological conditions provide important information to assess estuarine condition. However, reso...
|
|
|
PREDICTING LEAD DISSOLUTION IN DRINKING WATER DISTRIBUTION SYSTEMS: EFFECT OF FLUORIDE ADDITIVES ON LEAD SOLUBILITY AND CORROSION |
|
Many water systems have encountered difficulties in meeting the action levels established by the Lead and Copper Rule. Several chemical parameters contribute to the corrosion of l...
|
|
|
PREDICTING LEVELS OF STRESS FROM BIOLOGICAL ASSESSMENT DATA: EMPIRICAL MODELS FROM THE EASTERN CORN BELT PLAINS, OHIO, USA |
|
Interest is increasing in using biological community data to provide information on the specific types of anthropogenic influences impacting streams. We built empirical models tha...
|
|
|
PREDICTING SEDIMENT METAL TOXICITY USING A SEDIMENT BIOTIC LIGAND MODEL: METHODOLOGY AND INITIAL APPLICATION |
|
An extension of the simultaneously extracted metals/acid-volatile sulfide (SEM/AVS) procedure is presented that predicts the acute and chronic sediment metals effects concentration...
|
|
|
PREDICTION OF BIOACCUMULATION OF METALS FROM CONTAMINATED SEDIMENTS BY THE OLIGOCHAETE, LUMBRICULUS VARIEGATUS |
|
Short-term tests with benthic species have shown that certain cationic metals (cadmium, nickel, lead, zinc, copper) in sediments are not bioavailable when acid volatile sulfide (AV...
|
|
|
PREDICTION OF PHOSPHATE MOVEMENT THROUGH SOME SELECTED SOILS |
|
The P sorption capacity of soils must be evaluated at land application wastewater sites when water quality criteria control the design of the treatment system. The soil's capacity ...
|
|
|
PRELIMINARY ASSESSMENT OF WORKER AND AMBIENT AIR EXPOSURES DURING SOIL REMEDIATION TECHNOLOGY DEMONSTRATIONS |
|
Hazardous waste site remediation workers or neighboring residents may be exposed to particulates during the remediation of lead contaminated soil sites. An industrial hygiene surve...
|
|
|
PRELIMINARY ASSESSMENTS OF SPATIAL INFLUENCES IN THE AMBOS NOGALES REGION OF THE US-MEXICAN BORDER |
|
Ambient air measurements collected from 1994 to 1995 were used in a preliminary assessment of potential source and spatial influences in the Ambos Nogales border region (Nogales,...
|
|
|
PRELIMINARY EVALUATION OF THE SCITEC MAP-3, WARRINGTON MICROLEAD I, AND PRINCETON GAMMA-TECH XK-3 PORTABLE X-RAY FLUORESCENCE SPECTROMETERS |
|
A preliminary laboratory evaluation of commercially available portable XRFs from three (3) manufacturers was performed. he purpose of the evaluation was to compare one instrument f...
|
|
|
PRELIMINARY REPORT ON NATIONWIDE STUDY OF DRINKING WATER AND CARDIOVASCULAR DISEASES |
|
This study was designed to further investigate the association(s) of cardiovascular diseases and drinking water constituents. A sample of 4200 adults were randomly selected from 35...
|
|
|
PREPARATION AIDS FOR THE DEVELOPMENT OF CATEGORY III QUALITY ASSURANCE PROJECT PLANS |
|
Data collection activities performed for the Risk Reduction Engineering Laboratory (RREL) of the U.S. Environmental Protection Agency are divided into four categories, depending on...
|
|
|
PREPARATION OF LEAD-CONTAINING PAINT AND DUST METHOD EVALUATION MATERIALS AND VERIFICATION OF THE PREPARATION PROTOCOL BY ROUND-ROBIN ANALYSIS |
|
Protocols for preparing method evaluation materials from real-world lead-containing paints and dusts were developed. he materials were evaluated in a round-robin using five combina...
|
|
|
PRESENCE OF DICHLOROMETHANE ON CLEANED XAD-2 RESIN: A POTENTIAL PROBLEM AND SOLUTIONS |
|
Preparation of XAD-2 resin for indoor air sampling with commonly used cleaning methods, such as Soxhlet extraction with dichloromethane (DCM) followed by vacuum drying and nitrogen...
|
|
|
PRESENTED AT: TURNOVO, BULGARIA: LANDSCAPE SCIENCES FOR ENVIRONMENTAL ASSESSMENT: A NATO FRAMEWORK FOR INTERNATIONAL COOPERATION |
|
An international pilot study has been developed to explore the possibility of quantifying and assessing environmental condition, processes of land degradation, and subsequent impac...
|
|
|
PRESSURE DROP REDUCTION BY ELECTRICAL ENHANCEMENT OF FABRIC FILTRATION |
|
The paper discusses economic studies of electrostatic augmentation of fabric filtration (ESFF) that indicate that the reduced rate of pressure drop rise can lead to lower capital a...
|
|
|
PRIMARY CILIARY DYSKINESIA: DIAGNOSTIC AND PHENOTYPIC FEATURES |
|
Primary ciliary dyskinesia (PCD) is a genetic disease characterized by abnormalities in ciliary structure/function. We hypothesized that the major clinical and biologic phenotypic ...
|
|
|
PRINCIPLES OF IDENTIFYING AND CHARACTERIZING NEUROTOXICITY |
|
There is currently considerable interest in the neurotoxic effects of environmental pollutants. ome of this interest is due to epidemiological, clinical and laboratory studies show...
|
|
|
PRINCIPLES OF SYNCHROTRON TECHNIQUES, POTENTIAL AND LIMITATIONS |
|
Once environmental contaminants, such as arsenic, chromium, cadmium and lead, are detected, the problem becomes how to deal with them. For the past decade, researchers at the US EP...
|
|
|
PRIORITIES FOR ECOLOGICAL PROTECTION: AN INITIAL LIST AND DISCUSSION DOCUMENT FOR U.S. EPA |
|
EPA's mission is to "protect human health and the environment." Although there is general consensus on the human health endpoints of concern, there is far less agreement on the cor...
|
|
|
PRIORITY POLLUTANT REMOVAL FROM MINE DRAINAGE |
|
A study of the removal of selected priority pollutants from acid mine drainage was conducted at EPA's Crown, West Virginia, site. The pollutants studied were the volatiles benzene,...
|
|
|
PROBABILISTIC AQUATIC EXPOSURE ASSESSMENT FOR PESTICIDES 1: FOUNDATIONS |
|
Models that capture underlying mechanisms and processes are necessary for reliable extrapolation of laboratory chemical data to field conditions. For validation, these models requi...
|
|
|
PROBING THE ENANTIOSELECTIVITY OF CHIRAL PESTICIDES |
|
Up to 25% of all pesticides are chiral; that is, they exist as two mirror image isomers called enantiomers. It is known that enantiomers usually differ in their biological propert...
|
|
|
PROCEDURE FOR SOLUBILIZATION OF LEAD ON DUST WIPES BY HOTPLATE ACID DIGESTION |
|
NO ABSTRACT PROVIDED...
|
|
|
PROCEDURES FOR DERIVING EQUILIBRIUM PARTITIONING SEDIMENT BENCHMARKS (ESBS) FOR THE PROTECTION OF BENTHIC ORGANISMS: METALS MIXTURES (CADMIUM, COPPER, LEAD, NICKEL, SILVER, AND ZINC) |
|
This equilibrium partitioning sediment benchmark (ESB) document describes procedures to derive concentrations of metal mixtures in sediment which are protective of the presence of ...
|
|
|
PROCEEDINGS OF "THE LEAD REMEDIATION EFFECTIVENESS SYMPOSIUM" |
|
A Symposium on Lead Remediation Effectiveness, sponsored by the US Environmental Protection Agency, was held at Coeur d'Alene, Idaho, USA from 22-25 May, 2000. International partic...
|
|
|
PROCEEDINGS OF INTERNATIONAL SYMPOSIUM ON RECENT ADVANCES IN THE ASSESSMENT OF THE HEALTH EFFECTS OF ENVIRONMENTAL POLLUTION, HELD AT PARIS (FRANCE) ON 24-28 JUNE 1974. VOLUME II |
|
;Partial contents: Relation between aircraft noise exposure and human reactions--A biological model; Impact of environmental noise on sleep electrophysiology as measured in the hom...
|
|
|
PROCEEDINGS OF INTERNATIONAL SYMPOSIUM ON RECENT ADVANCES IN THE ASSESSMENT OF THE HEALTH EFFECTS OF ENVIRONMENTAL POLLUTION, HELD AT PARIS (FRANCE) ON 24-28 JUNE 1974. VOLUME III |
|
;Partial contents: The incidence of elevated blood lead values in an asymptomatic pediatric population residing in a major American industrial state; Method for the identification ...
|
|
|
PROCEEDINGS OF INTERNATIONAL SYMPOSIUM ON RECENT ADVANCES IN THE ASSESSMENT OF THE HEALTH EFFECTS OF ENVIRONMENTAL POLLUTION, HELD AT PARIS (FRANCE) ON 24-28 JUNE 1974. VOLUME IV |
|
;Partial contents: The state of the art regarding the experimental investigations of the effects of pollutants; The assessment of environmental carcinogen risks in terms of life sh...
|
|
|
PROCEEDINGS OF THE WORKSHOP ON AUTOMATED IN SITU WATER QUALITY SENSOR HELD IN LAS VEGAS, NEVADA ON FEBRUARY 14-16, 1978 |
|
A Federal agency workshop to discuss a common interagency need for development of automated in situ water quality sensors was held in February 1978. The meeting was organized to fo...
|
|
|
PROCEEDINGS: ADVANCES IN PARTICLE SAMPLING AND MEASUREMENT (ASHEVILLE, NC, MAY 1978) |
|
The proceedings consist of 17 papers on improved instruments and techniques for sampling and measuring particulate emissions and aerosols; e.g., cascade impactors, cyclone collecto...
|
|
|
PROCEEDINGS: SEVENTH SYMPOSIUM ON THE TRANSFER AND UTILIZATION OF PARTICULATE CONTROL TECHNOLOGY. VOLUME 1 |
|
The proceedings document presentations from the seventh symposium on the transfer and utilization of particulate control technology, March 22-25, 1988, in Nashville, TN. Objectives...
|
|
|
PROCEEDINGS: SEVENTH SYMPOSIUM ON THE TRANSFER AND UTILIZATION OF PARTICULATE CONTROL TECHNOLOGY. VOLUME 2 |
|
The proceedings document presentations from the seventh symposium on the transfer and utilization of particulate control technology, March 22-25, 1988, in Nashville, TN. Objectives...
|
|
|
PROCEEDINGS: THE 1991 INTERNATIONAL SYMPOSIUM ON RADON AND RADON REDUCTION TECHNOLOGY - VOLUME 1: SYMPOSIUM ORAL PAPERS: SESSIONS I THROUGH V |
|
The proceedings, in four volumes, document the 1991 International Symposium on Radon and Radon Reduction Technology, held in Philadelphia, PA, April 2-5, 1991. n all, 65 oral paper...
|
|
|
PROCEEDINGS: THE 1991 INTERNATIONAL SYMPOSIUM ON RADON AND RADON REDUCTION TECHNOLOGY - VOLUME 2: SYMPOSIUM ORAL PAPERS: SESSIONS VI THROUGH X |
|
The proceedings, in four volumes, document the 1991 International Symposium on Radon and Radon Reduction Technology, held in Philadelphia, PA, April 2-5, 1991. n all, 65 oral paper...
|
|
|
PROCEEDINGS: THE 1991 INTERNATIONAL SYMPOSIUM ON RADON AND RADON REDUCTION TECHNOLOGY - VOLUME 3: SYMPOSIUM PANEL/POSTER PAPERS: SESSIONS I THROUGH V |
|
The proceedings, in four volumes, document the 1991 International Symposium on Radon and Radon Reduction Technology, held in Philadelphia, PA, April 2-5, 1991. n all, 65 oral paper...
|
|
|
PROCEEDINGS: THE 1991 INTERNATIONAL SYMPOSIUM ON RADON AND RADON REDUCTION TECHNOLOGY - VOLUME 4: SYMPOSIUM POSTER PAPERS: SESSIONS VI THROUGH X |
|
The proceedings, in four volumes, document the 1991 International Symposium on Radon and Radon Reduction Technology, held in Philadelphia, PA, April 2-5, 1991. n all, 65 oral paper...
|
|
|
PROCEEDINGS: THE 1992 INTERNATIONAL SYMPOSIUM ON RADON AND RADON REDUCTION TECHNOLOGY: VOLUME 1. SYMPOSIUM ORAL PAPERS, OPENING SESSION AND TECHNICAL SESSIONS I THROUGH VI |
|
The three-volume proceedings document the 1992 International Symposium Radon and Radon Reduction Technology, held in Minneapolis, MN, September 22-25, 1992. he symposium was an int...
|
|
|
PROCEEDINGS: THE 1992 INTERNATIONAL SYMPOSIUM ON RADON AND RADON REDUCTION TECHNOLOGY: VOLUME 2. SYMPOSIUM ORAL PAPERS, TECHNICAL SESSIONS VII THROUGH XII |
|
The three-volume proceedings document the 1992 International Symposium Radon and Radon Reduction Technology, held in Minneapolis, MN, September 22-25, 1992. he symposium was an int...
|
|
|
PROCEEDINGS: THE 1992 INTERNATIONAL SYMPOSIUM ON RADON AND RADON REDUCTION TECHNOLOGY: VOLUME 3. SYMPOSIUM POSTER PAPERS, POSTER SESSIONS - ALL SESSIONS |
|
The three-volume proceedings document the 1992 International Symposium Radon and Radon Reduction Technology, held in Minneapolis, MN, September 22-25, 1992. he symposium was an int...
|
|
|
PROCESS DESIGN MANUAL: LAND APPLICATION OF SEWAGE SLUDGE AND DOMESTIC SEPTAGE |
|
Land application of sewage sludge generated by domestic
sewage treatment is performed in an environmentally safe and cost–effective manner in many communities. Land application in...
|
|
|
PROCESS INTENSIFIED GREEN REACTION CHEMISTRIES PERFORMED IN THE SPINNING TUBE-IN-TUBE (STT®) REACTOR |
|
The U. S. Environmental Protection Agency (USEPA) and Kreido Laboratories have established a Cooperative Research and Development Agreement (CRADA) collaboration, to develop and co...
|
|
|
PROCESSES AFFECTING SUBSURFACE TRANSPORT OF LEAKING UNDERGROUND STORAGE TANK FLUIDS |
|
The document focuses solely on the process affecting migration of fluids from a leaking tank and their effects on monitoring methodologies. Based upon the reviews presented, soil h...
|
|
|
PRODUCTION CYCLES IN AQUATIC MICROCOSMS |
|
Four 700-liter cylindrical containers were filled with demineralized water, enriched with nutrients, and inoculated with 3.5-liter lakewater samples. The microcosms were maintained...
|
|
|
PROGRAM REVIEW PROCEEDINGS OF: ENVIRONMENTAL EFFECTS OF ENERGY RELATED ACTIVITIES ON MARINE/ESTUARINE ECOSYSTEMS |
|
Fiscal year 1975 was the beginning of the Environmental Protection Agency's lead responsibility for the planning, coordination, and implementation of the Federal Interagency Energy...
|
|
|
PROJECT PLAN FOR AIR QUALITY CRITERIA FOR LEAD |
|
Section 108 (a) of the Clean Air Act directs the Administrator to identify certain pollutants which "may reasonably be anticipated to endanger public health and welfare" and to iss...
|
|
|
PROJECT SUMMARY -CANDLES AND INCENSE AS POTENTIAL SOURCES OF INDOOR AIR POLLUTION: MARKET ANALYSIS AND LITERATURE REVIEW (EPA/600/SR-01/001) |
|
The report summarizes available information on candles and incense as potential sources of
indoor air pollution. It covers (1) market information and (2) a scientific literature re...
|
|
|
PROJECTING POPULATION-LEVEL RESPONSE OF PURPLE SEA URCHINS TO LEAD CONTAMINATION FOR AN ESTUARINE ECOLOGICAL RISK ASSESSMENT |
|
As part of an ecological risk assessment case study at the Portsmouth naval Shipyard (PNS), Kittery, Maine, USA, the population level effects of lead exposure to purple sea urchin,...
|
|
|
PROJECTION OF RESPONSE OF TREES AND FORESTS TO ACIDIC DEPOSITION AND ASSOCIATED POLLUTANTS |
|
In 1986 the National, Acid Precipitation Assessment Program (NAPAP) established the Forest Response Program (FRP) to assess the effects of acidic deposition and associated pollutan...
|
|
|
PROLONGED EXPOSURE OF HUMANS TO AMBIENT LEVELS OF OZONE CAUSES CELLULAR AND BIOCHEMICAL CHANGES IN THE LUNG |
|
An acute (2h) exposure of humans to 0.4 ppm ozone initiates biochemical changes in the lung resulting in the production of components which mediate inflammation and acute lung dama...
|
|
|
PROLONGED FLOODING DECREASED STEM DENSITY, TREE SIZE AND SHIFTED COMPOSITION TOWARDS CLONAL SPECIES IN A CENTRAL FLORIDA HARDWOOD SWAMP |
|
Human modifications of the landscape often cause changes in regional hydrology that, in turn, can result in the alteration of wetland hydrology. Altering hydrology can lead to hyd...
|
|
|
PROTECTING OUR CHILDREN FROM HARM: MEASURING ENVIRONMENTAL RISKS TO CHILDREN REQUIRES UNDERSTANDING THEIR UNIQUE MEANS OF EXPOSURE |
|
Children's exposures to consumer products and environmental contaminants are expected to be different and, in some cases, much higher than adult's exposures. The objectives of o...
|
|
|
PROTECTION, CLEANUP AND RESTORATION OF SALT MARSHES ENDANGERED BY OIL SPILLS. A PROCEDURAL MANUAL |
|
This manual addresses the response of the protection, cleanup, and restoration phases of spilled oil endangering or contaminating tidal marshlands. The manual follows a step by ste...
|
|
|
PROTEOMIC ANALYSIS OF ALLERGENS FROM METARHIZIUM ANISOPLIEA |
|
The goal of this project is the identification and characterization of allergens from the fungus M. Anisopliae, using mass spectrometry (MS). The US EPA, under the "Children at Ri...
|
|
|
PROVIDING SOLUTIONS FOR A BETTER TOMORROW: REDUCING THE RISKS ASSOCIATED WITH LEAD IN SOIL; URL: |
|
This brief publication describes, in general language, the health risks associated with exposure to soil and dust contaminated with lead as well as an innovative method to immobili...
|
|
|
PROVISIONAL ASSESSMENT OF RECENT STUDIES ON PARTICULATE MATTER |
|
A review of the national ambient air quality standards (NAAQS) for particulate matter (PM) is currently underway. The Criteria Document was completed in October 2004, and a propos...
|
|
|
PULMONARY GENE EXPRESSION PROFILES OF SPONTANEOUSLY HYPERTENSIVE RATS EXPOSED TO ENVIRONMENTAL TOBACCO SMOKE (ETS) |
|
Global gene expression profile analysis can be utilized to derive molecular footprints to understand biochemical
pathways implicated in the origin and progression of diseas...
|
|
|
PULSED AIR SPARGING IN AQUIFERS CONTAMINATED WITH DENSE NONAQUEOUS PHASE LIQUIDS |
|
Air sparging was evaluated for remediation of tetrachloroethylene (PCE) present as dense nonaqueous phase liquid (DNAPL) in aquifers. A two-dimensional laboratory tank with a trans...
|
|
|
PULSED FLUORESCENCE MONITOR FOR MEASURING AMBIENT NITROGEN DIOXIDE. DEVELOPMENT OF A LABORATORY PROTOTYPE |
|
A prototype pulsed flashlamp monitor for measuring ambient NO2 has been developed, constructed and tested. The basic principles are similar to a laser fluorescence NO2 monitor deve...
|
|
|
Past, Present & Future of the US EPA: Protecting Human Health & the Natural Environment |
|
The time line of events that lead to the creation of the US EPA are marked by grassroots efforts by average citizens voicing concerns to politicians in Washington. Visionary leader...
|
|
|
Pilot Scale In Situ BioTransformation Of Mercury-Contaminated Groundwater In Kazakhstan Utilizing Native Bacteria |
|
The Northern outskirts of Pavlodar were contaminated with mercury as a result of activity at the former PO "Khimprom" chemical plant. The plant produced chlorine and alkali from t...
|
|
|
Pilot-Scale Tests and Systems Evaluation for the Containment, Treatment, and Decontamination of Selected Materials from T&E Building Pipe Loop Equipment |
|
This summary report has been prepared for the U.S. Environmental Protection Agency (EPA) National Risk Management Research Laboratory (NRMRL) to fulfill the requirement for a summa...
|
|
|
Pitting Corrosion of Copper in Waters with High pH and Low Alkalinity |
|
Localized or pitting corrosion of copper pipes used in household drinking-water plumbing is a problem for many water utilities and their customers. Extreme attack can lead to pinho...
|
|
|
QUALIFYING VARIATION IN RISKS ACROSS SPACE AND TIME TO POPULATIONS OF THE COMMON LOON |
|
As part of a larger project to evaluate methods for assessing risks to wildlife populations we are investigating patterns of mortality in populations of the common loon (Gavia imme...
|
|
|
QUALITY ASSURANCE AND QUALITY CONTROL DATA VALIDATION PROCEDURES USED FOR THE LOVE CANAL AND DALLAS LEAD SOIL MONITORING PROGRAMS |
|
Public awareness of soils contamination has increased in recent years due in part to the notoriety associated with the indiscriminate release, packaging, transporting and disposal ...
|
|
|
QUALITY MANAGEMENT PLAN FOR THE NATIONAL CHILDREN'S STUDY |
|
EPA has taken the lead, in consort with NIH, in developing the Quality Management Plan (QMP) for the National Children's Study (NCS); the QMP will delineate a systematic planning p...
|
|
|
QUANTIFICATION AND MOLECULAR CHARACTERIZATION OF HRPT MUTANTS OF HUMAN T-LYMPHOCYTES |
|
Somatic mutations have been implicated as critical early events in carcinogenesis. oint mutations, deletion and translocation events have been shown to activate oncogenes or inacti...
|
|
|
RADIATION BIOLOGY: CONCEPTS FOR RADIATION PROTECTION |
|
ABSTRACT
The opportunity to write a historical review of the field of radiation biology allows for the viewing of the development and maturity of a field of study, thereby b...
|
|
|
RAT HIPPOCAMPAS GLUTAMATE AND GABA RELEASE EXHIBIT BIPHASIC EFFECTS AS A FUNCTION OF CHRONIC LEAD EXPOSURE LEVEL. |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
RATE CONSTANTS FOR THE REACTION OF OH RADICALS WITH A SERIES OF ALKENES AND DIALKENES AT 295 + OR - 1 K |
|
Using a relative rate technique, rate constants for the gas phase reactions of the OH radical with n-butane, n-hexane and a series of alkenes and dialkenes, relative to that for pr...
|
|
|
REASONS FOR CORROSION CONTROL OTHER THAN THE LEAD AND COPPER RULE |
|
A corrosion control program designed to accommodate all distribution system materials, as well as lead and copper, will produce significant benefits that are not always related to ...
|
|
|
RECA EXPRESSION IN RESPONSE TO SOLAR UVR IN THE MARINE BACTERIUM VIBRIO NATRIEGENS. |
|
Medicinal plants may carry residuals of environmentally persistent pesticides or assimilate heavy metals in varying degrees. Several factors may influence contaminant accumulation,...
|
|
|
RECEPTOR MODELING RESULTS FROM THE INTEGRATED AIR CANCER PROJECT |
|
EPA's Integrated Air Cancer Project has produced comprehensive winter time ambient air data bases from three widely separated airsheds (Albuquerque, NM, Raleigh, NC, Boise, ID), wh...
|
|
|
RECOVERY OF METALS FROM ACID MINE DRAINAGE: JOURNAL ARTICLE |
|
NRMRL-CIN-1349A Scharp*, R.A., Kawahara*, F.K., Burckle, J.O., Allen J., and Govind, R. "Recovery of Metals from Acid Mine Drainage." In: Bioremediation of Inorganic Compounds, In...
|
|
|
REDUCING CHILDREN'S RISK FROM LEAD IN SOIL |
|
Traditional methods for reducing risk from elevated levels of soil Pb involves removal, covering, or dilution by mixing with uncontaminated soil. Believing that in situ remediation...
|
|
|
REDUCING CHILDREN'S RISK TO SOIL LEAD: SUMMARY OF A FIELD EXPERIMENT TO REDUCE SOIL LEAD BIOAVAILABILITY |
|
Reducing risks associated with Pb in soil has typically been accomplished by soil removal, covering, or dilution by mixing with uncontaminated soil. EPA's National Risk Management...
|
|
|
REDUCING CHILDREN'S RISK TO SOIL LEAD: SUMMARY OF A FIELD EXPERIMENT TO REDUCE SOIL LEAD BIOAVAILABILITY (ABSTRACT) |
|
Reducing risks associated with Pb in soil has typically been accomplished by soil removal, covering, or dilution by mixing with uncontaminated soil. EPA's National Risk Management...
|
|
|
REDUCING RISK FROM SOIL METALS: SUMMARY OF A FIELD EXPERIMENT |
|
Lead (Pb) poisoning is the most common and most serious environmental disease affecting young children, according to the Centers for Disease Control and Prevention (CDC). During th...
|
|
|
REDUCTION OF COAL-BASED METAL EMISSIONS BY FURNACE SORBENT INJECTION |
|
The ability of sorbent injection technology to reduce the potential for trace metal emissions from coal combustion was researched. Pilot scale tests of high-temperature furnace sor...
|
|
|
REDUCTION OF COAL-BASED METAL EMISSIONS BY FURNACE SORBENT INJECTION |
|
The paper gives results of research of the ability of sorbent injection technology to reduce the potential for trace metal emissions from coal combustion. ilot-scale tests of high-...
|
|
|
REGIONAL AIR POLLUTION STUDY, NON-CRITERIA POLLUTANT INVENTORY |
|
In conjunction with the Regional Air Pollution Study (RAPS) being conducted in the St. Louis Air Quality Control Region (AQCR), an inventory of non-criteria pollutants was assemble...
|
|
|
REGIONAL SCALE EVIDENCE FOR IMPROVEMENTS IN SURFACE WATER CHEMISTRY 1990 TO 2001 |
|
The main aim of the international UNECE monitoring program ICP Waters under the Convention of Long-range Transboundary Air Pollution (CLRTAP) is to assess, on a regional basis, the...
|
|
|
REGIONAL TRANSPORT AND TRANSFORMATION OF SULFUR DIOXIDE TO SULFATES IN THE UNITED STATES |
|
Trends in and relationships between ambient air SO2 and sulfate concentrations at 48 urban and 27 nonurban sites throughout the United States between 1963 and 1974 have been analyz...
|
|
|
REGULATED CONTAMINANTS IN DRINKING WATER |
|
Safe drinking water is critical to protecting human health. More than 260 million Americans rely on the safety of tap water provided by water systems that comply with national dri...
|
|
|
RELATION OF LEAD AND SOCIAL FACTORS TO IQ OF LOW-SES CHILDREN: A PARTIAL REPLICATION |
|
An independent replication of a previous study (Schroeder et al., 1985) of the effects of interactive social environmental factors on the relationship of lead and Stanford-Binet IQ...
|
|
|
RELATIONSHIP BETWEEN FINE AND ULTRAFINE PARTICLE NUMBER AND VOC SPECIES IN EL PASO, TEXAS |
|
Children's exposures to consumer products and environmental contaminants are expected to be different and, in some cases, much higher than adult's exposures. The objectives of o...
|
|
|
RELATIONSHIP OF EVENT-RELATED BRAIN POTENTIALS AND LEAD ABSORPTION: A REVIEW OF CURRENT EVIDENCE |
|
The results of human and animal studies of the effects of lead absorption on sensory evoked and slow brain potentials are reviewed. These studies of flash evoked potentials in rats...
|
|
|
RELATIONSHIP OF LATE POSITIVE ERPS (EVENT-RELATED POTENTIALS), AGE, INTELLIGENCE AND LEAD ABSORPTION IN SOCIOECONOMICALLY DISADVANTAGED CHILDREN |
|
Children from socioeconomically disadvantaged families are at risk for malnutrition, learning disabilities, and many other problems associated with poverty. Increasing application ...
|
|
|
RELATIONSHIPS BETWEEN EXCEEDENCES OF METALS CRITERIA AND COMMUNITY METRICS IN MINING IMPACTED STREAMS |
|
To use bioassessments to diagnose specific environmental stressor gradients in streams, a better understanding is needed of the relationships between community metrics and ambient ...
|
|
|
RELATIONSHIPS BETWEEN WATER QUALITY AND CORROSION OF PLUMBING MATERIALS IN BUILDINGS. VOLUME 1. GALVANIZED STEEL AND COPPER PLUMBING SYSTEMS |
|
A study was conducted on the interrelationships of corrosion rates, metal concentrations, and water quality occurring within galvanized steel and copper plumbing systems. A compreh...
|
|
|
RELATIONSHIPS OF METALS IN FLOOR DUST AND ON THE HANDS OF TODDLERS |
|
Toddlers are characterized by their frequent hand-to-mouth activity and exploratory behavior. This puts them at risk for exposure to environmental contaminants. Wipe samples are tr...
|
|
|
RELATIVE CONGENER SCALING OF POLYCHLORINATED DIBENZO-P-DIOXINS AND DIBENZOFURANS TO ESTIMATE BUILDING FIRE CONTRIBUTIONS IN AIR, SURFACE WIPES, AND DUST SAMPLES |
|
EPA collected ambient air samples in lower Manhattan for about nine months following the September 11, 2001 (9/11) World Trade Center (WTC) attacks. Measurements were made of a ho...
|
|
|
RELATIVE CONTRIBUTION OF LEAD FROM ANTHROPOGENIC SOURCES TO THE TOTAL HUMAN LEAD EXPOSURE IN THE U.S. |
|
The paper evaluates human exposure to lead at a baseline level for persons living in non-urban communities away from stationary or mobile sources of lead, eating typical diets, and...
|
|
|
RELATIVE POTENCIES OF MINERAL FIBERS IN VIVO: FERROACTINOLITE FROM TACONITE |
|
In the early 1970s EPA provided the scientific basis for the Federal Government's lead in the Reserve Mining Case. This historic case resulted in cessation of the discharge of taco...
|
|
|
RELEVANCE OF VISUAL EFFECTS OF VOLATILE ORGANIC COMPOUNDS TO HUMAN HEALTH RISK ASSESSMENT |
|
Traditional measures of neurotoxicity have included assessment of sensory, cognitive, and motor function. Visual system function and the neurobiological substrates are well charac...
|
|
|
REMOTE SENSING FOR DETECTING SWINE ANIMAL FEEDING OPERATIONS |
|
Surface runoff from animal feeding operations (AFO's) and its infiltration into ground water can
pose a number of risks to water quality mainly because of the amount of animal ...
|
|
|
REMOVAL AND CONTAINMENT OF LEAD-BASED PAINT VIA NEEDLE SCALERS |
|
This report describes a comparative technical and economic evaluation of using a dustless needlegun system versus a conventional abrasive grit blasting system in the removal of lea...
|
|
|
REMOVAL AND CONTAINMENT OF LEAD-BASED PAINT VIA NEEDLE SCALERS |
|
This report describes a comparative technical and economic evaluation of using a dustless needlegun system versus a conventional abrasive grit blasting system in the removal of lea...
|
|
|
REMOVAL OF AZO DYES BY THE ACTIVATED SLUDGE PROCESS |
|
The Water Engineering Research Laboratory, Office of Research & Development, U.S. Environmental Protection Agency (EPA) is conducting research designed to develop techniques for pr...
|
|
|
REMOVAL OF DISSOLVED POLLUTANTS FROM URBAN STORMWATER RUNOFF |
|
Stormwater runoff, because of its heavy metals and poly aromatic hydrocarbons (PAHs) content, may be considered toxic for discharge to receiving surface waters without further trea...
|
|
|
REMOVAL OF HEAVY METALS AND SUSPENDED SOLIDS FROM BATTERY WASTEWATERS: APPLICATION OF HYDROPERM CROSS-FLOW MICROFILTRATION |
|
This project was undertaken to evaluate the capability of crossflow microfiltration to remove suspended toxic metal and metal hydroxides from battery manufacturing wastewaters. The...
|
|
|
REMOVAL OF HEAVY METALS FROM INDUSTRIAL WASTEWATERS USING INSOLUBLE STARCH XANTHATE |
|
The Northern Regional Research Center developed an effective process to remove heavy metals from wastewaters of two nonferrous metal industries and insoluble starch xanthate (ISX)....
|
|
|
REMOVAL OF HEAVY METALS USING ALUMINUM SALTS FOR PHOSPHORUS REMOVAL |
|
The use of aluminum salts to remove phosphorus is common practice. It has been shown that aluminum salts are also capable of removing heavy metals, but the dosages were much greate...
|
|
|
REMOVAL OF METALS IN COMBINED TREATMENT SYSTEMS |
|
This project assessed the variables influencing the removal of eight metals through combined industrial-municipal treatment plants. The eight metals investigated were: aluminum, ca...
|
|
|
REMOVAL OF ORGANIC CCL CONTAMINANTS FROM DRINKING WATERS BY ENHANCED COAGULATION, POWDERED ACTIVATED CARBON, CHEMICAL SOFTENING, AND OXIDATION |
|
The 1996 amendments to the Safe Drinking Water Act (SWDA) require the US Environmental Protection Agency (USEPA) to establish a list of unregulated microbiological and chemical con...
|
|
|
REMOVAL OF ORGANIC CCL CONTAMINANTS FROM DRINKING WATERS BY GAC, AIR STRIPPING, AND MEMBRANE PROCESSES |
|
The 1996 amendments to the Safe Drinking Water Act (SWDA) require the US Environmental Protection Agency (USEPA) to establish a list of unregulated microbiological and chemical con...
|
|
|
REMOVAL OF SELECTED POLLUTANTS FROM AQUEOUS MEDIA BY HARDWOOD MULCH |
|
Generic hardwood mulch, usually used for landscaping, was utilized to remove several selected pollutants (heavy metals and toxic organic compounds) typically found in urban stormwa...
|
|
|
REMOVING ORGANIC CONTAMINANTS OF REGULATORY INTEREST WITH MEMBRANE PROCESSES: USEPA'S SCREENING STUDIES |
|
The 1996 amendments to the Safe Drinking Water Act require the US Environmental Protection Agency (USEPA) to establish a list of unregulated microbiological and chemical contaminan...
|
|
|
REPEATED INHALATION OF TOLUENE BY RATS PERFORMING A SIGNAL DETECTION TASK LEADS TO BEHVIORAL TOLERANCE ON SOME PERFORMANCE MEASURES. |
|
Previous work showed that trichloroethylene (TCE) impairs sustained attention as evidenced by a reduction in accuracy and elevation of response latencies in rats trained to perform...
|
|
|
REPRESENTATIVE SAMPLING AND ANALYSIS OF HETEROGENEOUS SOILS |
|
Standard sampling and analysis methods for hazardous substances in contaminated soils currently are available and routinely employed. Standard methods inherently assume a homogene...
|
|
|
REPRESENTATIVE SAMPLING AND ANALYSIS OF HETEROGENEOUS SOILS |
|
Standard sampling and analysis methods for hazardous substances in contaminated soils currently are available and routinely employed. Standard methods inherently assume a homogene...
|
|
|
REPRESENTATIVE SAMPLING AND ANALYSIS OF HETEROGENEOUS SOILS |
|
Standard sampling and analysis methods for hazardous substances in contaminated soils currently are available and routinely employed. Standard methods inherently assume a homogene...
|
|
|
REPRODUCTIVE AND DEVELOPMENTAL EFFECTS OF CONTAMINANTS IN OVIPAROUS VEREBRATES: WORKSHOP INTRODUCTION |
|
The purpose of this book is to disseminate the critical discussions on reproductive and developmental effects in oviparous vertebrates that occurred during the SETAC Pellston Works...
|
|
|
RESEARCH ACTIVITY DESCRIPTORS FY 88: OCTOBER 1987-SEPTEMBER 1988 |
|
The document has been prepared to provide scientists and administrators, both within and outside the U.S. Environmental Protection Agency, the most current information on the resea...
|
|
|
RESEARCH IN WASTE MINIMIZATION: EPA'S PERSPECTIVE |
|
Reducing the generation of industrial and other wastes can be achieved in many ways. rocess chemistry can be changed, potential waste streams can be recycled within a manufacturing...
|
|
|
RESEARCH ISSUES IDENTIFIED THROUGH THE USE OF MATHEMATICAL DOSIMETRY MODELS: OZONE |
|
Knowledge of dose is a fundamental starting point in the evaluation of the toxicity of chemicals, not only for interspecies comparisons but also for designing experiments that eluc...
|
|
|
RESEARCH ON CONTROL TECHNOLOGY FOR ICE FOG FROM MOBILE SOURCES |
|
Automotive generated ice fog is a form of air pollution that results when exhaust water vapor freezes into minute particles which form a dense fog. The major control technique eval...
|
|
|
RESEARCH STUDIES AT THE GILT EDGE MINE SUPERFUND SITE |
|
A collaborative effort is being implemented at the Gilt Edge Mine Superfund site near Lead, SD. The partnerships involves the Mine Waste Technology Program (MWTP) with the USEPA's ...
|
|
|
RESPONSE OF LEAD SOLUBILITY TO DISSOLVED CARBONATE IN DRINKING WATER |
|
A model is presented showing the detailed response of the theoretical solubility curves for lead to changes in dissolved inorganic carbonate concentration (TIC) and pH at 25 C. Aqu...
|
|
|
RESTORING HAZARDOUS SPILL-DAMAGED AREAS: TECHNIQUE IDENTIFICATION/ASSESSMENT |
|
The goal of this study was to identify and assess methods that could be used to accelerate the restoration of lands damaged by spills of hazardous materials. The literature was rev...
|
|
|
REVIEW IV: SCIENCE LINKING ENVIRONMENTAL CONTAMINANT EXPOSURES WITH FERTILITY AND REPRODUCTIVE HEALTH IMPACTS IN THE ADULT FEMALE |
|
Design: Reviewed articles indexed in PubMed from 1999-2007 addressing environment and puberty, menstrual and ovarian function, fertility, and menopause.
Results: The strongest e...
|
|
|
REVIEW OF INTERACTIONS BETWEEN LEAD AND ESSENTIAL ELEMENTS |
|
Recent clinical evidence indicates that in humans subchronic exposure to Pb during development can result in decreased developmental scores and behavioral alterations in the absenc...
|
|
|
REVIEW OF THE SALMONELLA TYPHIMURIUM MUTAGENICITY OF BENZIDINE, BENZIDINE ANALOGUES, AND BENZIDINE-BASED DYES |
|
The mutagenicity of benzidine analogues (including benzidine-based dyes) was reviewed with a primary emphasis on evaluating results of the Salmonella/microsome mutagenicity assay. ...
|
|
|
REVIEWS OF THE ENVIRONMENTAL EFFECTS OF POLLUTANTS: VII. LEAD |
|
The document is a review of the scientific literature on the biological and environmental effects of lead. Included in the review are a general summary and a comprehensive discussi...
|
|
|
REWARMING MICE FROM HYPOTHERMIA BY EXPOSURE TO 2450-MHZ MICROWAVE RADIATION |
|
Radiofrequency (RF) radiation between frequencies of 1 MHz and 100 GHz is, to varying degrees, readily transmitted and absorbed in biological tissues. Because of its internal absor...
|
|
|
RISK AND RISK ASSESSMENT IN WATER-BASED RECREATION |
|
The great number of individuals using recreational water resources presents a challenge with regard to protecting the health of these recreationists. Risk assessment provides a fr...
|
|
|
RISK ASSESSMENT AND REMEDIATION OF SOILS CONTAMINATED BY MINING AND SMELTING OF LEAD, ZINC AND CADMIUM |
|
Mining nd smelting of Pb, Zn and Cd ores have caused widespread soil contamination in many countries. In locations with severe soil contamination, and strongly acidic soil or mine ...
|
|
|
RISK ASSESSMENT OF THYROID HORMONE DISRUPTION AND MIXTURES IN MARINE BIOTA |
|
Varieties of chemicals alter thyroid hormones (THs) in vertabrates. The importance of THs during neurodevelopment, suggest that these chemicals would likely be developmental neuro...
|
|
|
RODENT LEYDIG CELL TUMORIGENESIS: A REVIEW OF THE PHYSIOLOGY, PATHOLOGY, MECHANISMS, AND RELEVANCE TO HUMANS |
|
Leydig cells (LCs) are the cells of the testis that have as their primary function the production of testosterone. LCs are a common target of compounds tested in rodent carcinogeni...
|
|
|
ROLE OF FUNGAL LIGNINOLYTIC ENZYMES IN POLLUTANT DEGRADATION |
|
Lignin-degrading fungi have potential applications in programs for organopollutant biotreatment. he metabolic pathways that they employ for ligninolysis appear to have unusual xeno...
|
|
|
Recent Findings in EPA’s Lead Scavengers Evaluation |
|
In response to continued concerns about the concentrations of 1,2-dibromoethane (EDB) in ground water from spills of leaded gasoline, OUST formed a Lead Scavengers Team with assist...
|
|
|
Release Mechanisms, Control Strategies, and Implementation Challenges of Controlling Lead in Drinking Water |
|
Even minimally or moderately corrosive water can cause unacceptable and dangerous lead contamination to be released from common plumbing materials and devices into drinking water. ...
|
|
|
Revisiting the pH Effect on Orthophosphate Control of Plumbosolvency |
|
Although solubility models for Pb(II) have largely been successful for giving corrosion control treatment guidance for over 2 decades, very little systematic research has been done...
|
|
|
SAMPLING AIR FOR GASEOUS ORGANIC CHEMICALS USING SOLID ADSORBENTS APPLICATIONS TO TENAX |
|
A simple input-output model for a two phase flow system with fixed bed was applied to Tenax adsorption of atmospheric contaminants. The model fit laboratory data acceptably and rel...
|
|
|
SAMPLING AND ANALYSIS OF WASTES GENERATED BY GRAY IRON FOUNDRIES |
|
Thirty (30) wastes generated by 21 gray iron foundries in Pennsylvania and Michigan were sampled and analyzed. The samples were collected by Northrop Services, Inc., in accordance ...
|
|
|
SAMPLING AND ANALYSIS RESEARCH PROGRAM AT THE PARAHO SHALE OIL DEMONSTRATION PLANT |
|
A sampling and analysis research program was conducted at the Paraho oil shale retorting demonstration site at Anvil Points, Colorado. The overall objective of the test program was...
|
|
|
SAMPLING DURATION DEPENDENCE OF SEMI-CONTINUOUS ORGANIC CARBON MEASUREMENTS ON STEADY STATE SECONDARY ORGANIC AEROSOLS |
|
Semi-continuous organic carbon concentrations were measured through several experiments of statically generated secondary organic aerosol formed by hydrocarbon + NOx irradiations. ...
|
|
|
SATELLITE REMOTE SENSING AND GROUND-BASED ESTIMATES OF FOREST BIOMASS AND CANOPY STRUCTURE |
|
MODIS (Moderate Resolution Imaging Spectroradiometer) launched in 1999 is the first satellite sensor to provide the kind of data necessary to intensively probe the global landscape...
|
|
|
SCANNING ELECTRON MICROSCOPY/X-RAY FLUORESCENCE CHARACTERIZATION OF POST-ABATEMENT DUST |
|
Scanning electron microscopy (SEM) and laboratory X-ray fluorescence (XRF) were used to characterize post-abatement dust collected with a HEPA filtered vacuum. hree size fractions ...
|
|
|
SCIENCE, SCIENTISTS, AND POLICY ADVOCACY |
|
Effectively resolving the typical ecological policy issue requires providing an array of scientific information to decision-makers. In my experience, the ability of scientists (and...
|
|
|
SEASONAL VARIABILTIY LIPIDS, LIPID CLASSES AND PCBS IN INDIGENOUS POPULATIONS OF RIBBED MUSSELS, MODIOLUS DEMISSUS |
|
Two indigenous ribbed mussel (Modiolus demissus) populations were sampled approximately every four weeks during 1997 to investigate the seasonal variability of total lipids, lipid ...
|
|
|
SEATTLE DISTRIBUTION SYSTEM CORROSION CONTROL STUDY. VOLUME 4. ON-SITE EVALUATION OF CORROSION TREATMENT |
|
For 8 months, the Seattle Water Department conducted a corrosion treatment pilot plant study, obtaining data on the treatment of Tolt River water with lime and sodium carbonate. Pi...
|
|
|
SEATTLE DISTRIBUTION SYSTEM CORROSION CONTROL STUDY. VOLUME III: POTENTIAL FOR DRINKING WATER CONTAMINATION FROM TIN/ANTIMONY SOLDER |
|
This study was conducted to evaluate the potential for leaching of metals into drinking water from tin/antimony solder. The study consisted of five research phases: (1) A theoretic...
|
|
|
SELECTION OF CONTROL TECHNOLOGIES FOR REMEDIATION OF LEAD BATTERY RECYCLING SITES - INTERIM REPORT |
|
The objective of this report is to provide federal Remedial Project Managers (RPMs) and their supporting contractors with information to facilitate the selection of treatment alter...
|
|
|
SEMINAR PUBLICATION: CONTROL OF LEAD AND COPPER IN DRINKING WATER |
|
This publication presents subjects relating to the control of lead and copper in drinking water systems. t is of interest to system owners, operators, managers, and local decision ...
|
|
|
SENSITIVITY OF NORMAL THEORY METHODS TO MODEL MISSPECIFICATION IN THE CALCULATION OF UPPER CONFIDENCE LIMITS ON THE RISK FUNCTION FOR CONTINUOUS RESPONSES. (R825385) |
|
Normal theory procedures for calculating upper confidence limits (UCL) on the risk function for continuous responses work well when the data come from a normal distribution. Howeve...
|
|
|
SENSITIVITY OF SERTOLI AND LEYDIG CELLS TO XENOBIOTICS IN IN VITRO MODELS |
|
Today we realize that by elucidating the underlying toxicological mechanisms of toxicant action, we can greatly improve our ability to accurately assess human risk. fter adequate d...
|
|
|
SEPARATED FLOW CONDITIONS AT PIPE WALLS OF WATER DISTRIBUTION MAINS |
|
The objectives of this research project were to develop and evaluate a method for determining residence times for separated recirculation cavity flow conditions, and to determine t...
|
|
|
SEPARATED FLOW CONDITIONS AT PIPE WALLS OF WATER DISTRIBUTION MAINS - Project Summary |
|
The objectives of this research project were to develop and evaluate a method for determining residence times for separated recirculation cavity flow conditions, and to determine ...
|
|
|
SEPARATING THE EFFECTS OF LEAD AND SOCIAL FACTORS ON IQ |
|
Initial evaluations of 104 low-socioeconomic status black children screened by the local community health departments in North Carolina showed significant effects of lead in the ra...
|
|
|
SEPARATIONS RESEARCH AT THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY - TOWARDS RECOVERY OF VOCS AND METALS USING MEMBRANES AND ADSORPTION PROCESSES |
|
The USEPA's National Risk Management Research Laboratory is investigating new separations materials and processes for removal and recovery of volatile organic compounds (VOCs) and ...
|
|
|
SHIRCO PILOT-SCALE INFRARED INCINERATION SYSTEM AT THE ROSE TOWNSHIP DEMODE ROAD SUPERFUND SITE |
|
Under the Superfund Innovative Technology Evaluation or SITE Program, an evaluation was made of the Shirco Pilot-Scale Infrared Incineration System during 17 separate test runs un...
|
|
|
SHORT-TERM TEMPORAL VARIATION IN PM2.5 MASS AND CHEMICAL COMPOSITION DURING THE ATLANTA SUPERSITE EXPERIMENT, 1999 |
|
Measurements in urban Atlanta of transient aerosol events in which PM2.5 mass concentrations rapidly rise and fall over a period of 3-6 hr are reported. The data are based on ne...
|
|
|
SILICATES FOR CORROSION CONTROL IN BUILDING POTABLE WATER SYSTEMS |
|
Silicates have been used to control the corrosion of drinking water distribution system materials. Previous work has shown that they are particularly useful in reducing the release...
|
|
|
SIMPLE WAYS TO IMPROVE PH AND ALKALINITY MEASUREMENTS FOR WATER UTILITIES AND LABORATORIES |
|
Both pH and total alkalinity determinations are critical in characterizing chemical properties of water, being important to implementing good process control, determining corrosiv...
|
|
|
SIMPLEX OPTIMIZATION OF MULTIELEMENT ULTRASONIC EXTRACTION OF ATMOSPHERIC PARTICULATES |
|
A Simplex search was used to locate an optimum for an ultrasonic extraction of trace elements from atmospheric particulates collected on glass fiber high-volume sampler filters. Th...
|
|
|
SIMULATION COASTAL PLAIN STREAM FISH COMMUNITY RESPONSE TO NONPOINT SOURCE POLLUTION USING LINKED HYDROLOGIC-ECOLOGICAL MODELS |
|
Nonpoint source pollution is the primary stress in many streams. Characteristic declines in stream fish communities are recognized in streams influenced by nonpoint source polluti...
|
|
|
SIMULATION MODEL FOR WATERSHED MANAGEMENT PLANNING. VOLUME 2. MODEL USER MANUAL |
|
This report provides a user manual for the hydrologic, nonpoint source pollution simulation of the generalized planning model for evaluating forest and farming management alternati...
|
|
|
SIMULATION OF SOLUTE TRANSPORT IN AGGREGATED MEDIA |
|
The model presented in this study describes colute transport in soil columns by considering aggregate size distribution. n iterative numerical scheme is introduced to implement the...
|
|
|
SIMULTANEOUS DESTRUCTION OF ORGANICS AND STABILIZATION OF METALS IN SOILS |
|
The Sulchem Process reacts the material being treated with elemental sulfur at elevated temperatures in an inert reactor system. Organic hydrocarbons react with the sulfur to form ...
|
|
|
SITE (SUPERFUND INNOVATIVE TECHNOLOGY EVALUATION) DEMONSTRATION OF THE SHIRCO INFRARED INCINERATOR |
|
A Shirco Infrared System used for a removal action at a PCB-containing oil refining waste site in Brandon, Florida (a suburb of Tampa) was evaluated. The evaluation included a dete...
|
|
|
SITE EMERGING TECHNOLOGIES PROJECT: BABCOCK & WILCOX CYCLONE VITRIFICATION |
|
The Babcock & Wilcox 6 million Btu/hr pilot cyclone furnace was successfully used in a 2-year SITE Emerging Technology project to melt and vitrify an EPA Synthetic Soil Matrix (SSM...
|
|
|
SITE EVALUATION OF SOIL AMENDMENT TECHNOLOGIES AT THE CROOKSVILLE/ROSEVILLE POTTERY AREA OF CONCERN - STAR ORGANICS SOIL RESCUE CAPSULE |
|
This report briefly summarizes Star Organics treatment technology demonstration of a soil amendment process for lead contaminated soil at Roseville, OH. The evaluation included le...
|
|
|
SITE EVALUATION OF SOIL AMENDMENT TECHNOLOGIES AT THE CROOKSVILLE/ROSEVILLE POTTERY AREA OF CONCERN - STAR ORGANICS SOIL RESCUE INNOVATIVE TECHNOLOGY EVALUATION REPORT (ITER) |
|
Star Organics, L.L.C., of Dallas, Texas (Star Organics) has developed Soil Rescue to treat soil contaminated with metals. Star Organics claims that Soil Rescue forms metal complex...
|
|
|
SITE TECHNOLOGY CAPSULE DEMONSTRATION OF ROCKY MOUNTAIN REMEDIATION SERVICES SOIL AMENDMENT PROCESS |
|
RMRS developed the Envirobond� process to treat heavy metals in soil.This phosphate-based technology consists of a proprietary powder and solution that binds with metals in contami...
|
|
|
SITE TECHNOLOGY CAPSULE: DYNAPHORE, INC., FORAGER SPONGE TECHNOLOGY |
|
The Forager Sponge is a volume reduction technology in which heavy metal contaminants from an aqueous medium are selectively concentrated into a smaller volume for facilitated disp...
|
|
|
SITE TECHNOLOGY CAPSULE: DYNAPHORE, INC., FORAGER SPONGE TECHNOLOGY |
|
The Forager Sponge is a volume reduction technology in which heavy metal contaminants from an aqueous medium are selectively concentrated into a smaller volume for facilitated dis...
|
|
|
SITE Technology Capsule. Demonstration of Rocky Mountain Remediation Services Soil Amendment |
|
This report briefly summarizes the Rocky Mountain Remediation Services treatment technology demonstration of a soil amendment process for lead contaminated soil at Roseville, OH. ...
|
|
|
SIZE DISTRIBUTIONS OF TRACE METALS IN FLUE GAS PARTICULATE FROM A PILOT-SCALE ROTARY KILN INCINERATOR |
|
The distributions of nine trace metals in flue gas particulate by particle size range were determined as part of a pilot-scale hazardous waste incineration test program. hese tests...
|
|
|
SMALL DRINKING WATER SYSTEMS RESEARCH |
|
There are 159,796 Community Water Systems (CWSs) in the United States. Ninety-three percent of CWSs are considered very small to medium-sized systems that serve roughly 19% of the ...
|
|
|
SOA FORMATION FROM THE IRRADIATION OF A-PINENE-NOX IN THE ABSENCE AND PRESENCE OF SULFUR DIOXIDE |
|
Sulfur dioxide (SO2) is an important constituent in the polluted atmosphere. It is emitted from combustion sources using fuels that contain sulfur. Emissions of SO2 in the Unit...
|
|
|
SOIL RESCUE REMEDIATION SOLUTION, STAR ORGANICS, L.L.C. |
|
The Star organics Soil Rescue process was evaluated under the USEPA's SITE program for the ability of the process to reduce leachable lead in contaminated soils. The Soil Rescue s...
|
|
|
SOIL RESCUE REMEDIATION SOLUTION, STAR ORGANICS, L.L.C.(EPA/540/MR-99/501) |
|
The Star organics Soil Rescue process was evaluated under the USEPA's SITE program for the ability of the process to reduce leachable lead in contaminated soils. The Soil Rescue so...
|
|
|
SOLID PHASE SPECIATION OF METAL AND METALLOID PARTITIONING TO IRON- AND SULFUR-RICH SEDIMENTS. |
|
Field- and laboratory-based studies have been conducted to evaluate the mechanisms that control arsenic, lead and zinc partitioning to iron- and sulfur-rich sediments. These sedim...
|
|
|
SOLVING A COPPER CORROSION PROBLEM WITH ORTHOPHOSPHATE: INDIAN HILL, OHIO CASE STUDY |
|
Many small and medium-sized water systems have troublt complying with the copper Action Level (of the Lead and Copper Rule), sometimes concurrently with meeting the lead Action lev...
|
|
|
SOLVING COPPER CORROSION PROBLEMS WHILE MAINTAINING LEAD CONTROL IN A HIGH ALKALINITY WATER USING ORTHOPHOSPHATE |
|
Lead and Copper Rule sampling in 1992 uncovered high copper levels in many homes in the Indian Hill Water Works, Ohio (IHWW) water system. The 90th percentile copper and lead level...
|
|
|
SOLVING COPPER CORROSION PROBLEMS WHILE MAINTAINING LEAD CONTROL IN A HIGH ALKALINITY WATER USING ORTHOPHOSPHATE |
|
Lead and Copper Rule sampling in 1992 uncovered high copper levels in many homes in the Indian Hill Water Works, Ohio (IHWW) water system. The 90th percentile copper and lead level...
|
|
|
SOMATOSENSORY EVOKED POTENTIALS |
|
Somatosensory evoked potentials (SEPs) have been used by neuroscientists for many years. The versatility of the method is attested to be the differing purposes to which it has been...
|
|
|
SOME CHEMICAL PROPERTIES UNDERLYING ARSENIC'S BIOLOGICAL ACTIVITY |
|
ABSTRACT
In this paper some of the chemical properties of arsenicals (atomic
and molecular orbitals, electronegativity, valence state, changes between
valenc...
|
|
|
SORBENT CAPTURE OF NICKEL, LEAD, AND CADMIUM IN A LABORATORY SWIRL FLAME INCINERATOR |
|
The paper gives results of an investigation of the in-situ capture of toxic metals by sorbents in a small semi-industrial scale 82 kill research combustor. he metals considered, ni...
|
|
|
SORBENT CAPTURE OF NICKEL, LEAD, AND CADMIUM IN A LABORATORY SWIRL FLAME INCINERATOR |
|
The paper gives results of an investigation of the in-situ capture of toxic metals by sorbents in a small semi-industrial scale 82 kW research combustor. The metals considered, nic...
|
|
|
SORPTION OF LEAD ON A HIGH AFFINITY OXIDE: MACROSCOPIC AND MICROSCOPIC STUDIES |
|
Sorption of lead (Pb) was investigated on an innovative metal oxide compound using macroscopic and microscopic techniques. The objective of this study was to elucidate the sorptio...
|
|
|
SORPTION OF LEAD ON A HIGH AFFINITY OXIDE: MACROSCOPIC AND MICROSCOPIC STUDIES (ABSTRACT) |
|
Sorption of lead (Pb) was investigated on an innovative metal oxide compound using macroscopic and microscopic techniques. The objective of this study was to elucidate the sorptio...
|
|
|
SORPTION OF LEAD ON A RUTHENIUM COMPOUND: A MACROSCOPIC AND MICROSCOPIC STUDY |
|
The objective of this study was to elucidate the sorption mechanism of Pb on the high-affinity ruthenium compound with time at pH 6 employing batch methods and X-ray absorption fin...
|
|
|
SORPTION, IMPORTANT IN STABILIZED/SOLIDIFIED WASTE FORMS |
|
Sorption is one of the important fixation mechanisms of metals in stabilized/solidified waste forms. n the present work, the sorption-desorption processes active in cement-based wa...
|
|
|
SOURCE ASSESSMENT: PRESSED AND BLOWN GLASS MANUFACTURING PLANTS |
|
This report summarizes the results of a study to gather and analyze background information and technical data related to air emissions from glass manufacturers producing pressed an...
|
|
|
SOURCE PARTITIONING USING STABLE ISOTOPES: COPING WITH TOO MANY SOURCES |
|
Stable isotopes are increasingly being used as tracers in environmental studies. One application is to use isotopic ratios to quantitatively determine the proportional contributio...
|
|
|
SOURCES AND PATHWAYS OF LEAD EXPOSURE |
|
Exposure is defined here as the amount of a substance that comes into contact with an absorbing surface during a specified period of time. The normal units of exposure are express...
|
|
|
SOURCES AND TRANSPORT OF TRACE METALS IN URBAN AEROSOLS |
|
A methodology was developed, tested, and applied to the identification of trace element aerosol sources and trace element aerosol transport phenomena. The method uses light weight ...
|
|
|
SOURCES OF COPPER AIR EMISSIONS |
|
The report gives results of a study to update estimates of atmospheric emissions of copper and copper compounds in the U.S. Source categories evaluated included: metallic minerals,...
|
|
|
SOURCES OF EXPOSURE ERROR IN PARTICULATE MATTER EPIDEMIOLOGY AND RISK ASSESSMENT |
|
Exposure is defined here as the amount of a substance that comes into contact with an absorbing surface during a specified period of time. The normal units of exposure are express...
|
|
|
SOURCES OF FINE PARTICLE ORGANIC MATTER IN BOISE |
|
Ambient concentrations of fine particle extracted organic matter (EOM) measured at the Elm Grove Park and Fire Station sites in Boise have been apportioned to their two principal s...
|
|
|
SOURCES OF VARIABILITY IN COLLECTION AND PREPARATION OF PAINT AND LEAD-COATING SAMPLES |
|
Chronic exposure of children to lead can result in permanent physiologic impairment. Since surfaces coated with lead-containing paints and varnishes are potential sources of expo...
|
|
|
SOURCES OF VARIABILITY IN SAMPLE COLLECTION AND PREPARATION FOR SURFACES WITH LEAD COATINGS |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
SOUTH SAN FRANCISCO BAY WATER QUALITY MODELING AND WASTE LOAD ALLOCATION STUDY |
|
A waste load allocation modeling study was conducted in South San Francisco Bay, California. elatively numerous reports on hydrodynamics and less complete data for water quality, e...
|
|
|
SPATIO-TEMPORAL MODELING OF FINE PARTICULATE MATTER |
|
Studies indicate that even short-term exposure to high concentrations of fine atmospheric particulate matter (PM2.5) can lead to long-term health effects. In this paper...
|
|
|
SPECIATION, PRECONCENTRATION AND DETERMINATION OF LEAD IN NATURAL WATERS USING CHELATING RESIN AND DIRECT GFAAS. (R825511C049) |
|
The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
|
|
|
SPECTROSCOPIC SPECIATION AND QUANTIFICATION OF LEAD IN PHOSPHATE AMENDED SOILS |
|
The immobilization of Pb in contaminated soils as pyromorphite [Pb5(PO4)3CI, OH, F] through the addition of various phosphate amendments has gained...
|
|
|
SPECTROSCOPIC SPECIATION AND QUANTIFICATION ON ALTERATIONS OF PB IN PHOSPHATE AMENDED SOILS |
|
Lead-bearing soils are a source of lead (Pb) contamination at a number of sites across the nation and pose a risk for our most sensitive population, children. The In-place Inactiv...
|
|
|
STABILIZATION OF LEAD-BASED PAINT WASTE |
|
This study evaluated the ability of a cementitious stabilizing agent to reduce leachable lead from lead-based paint waste removed from substrate via blasting, and to evaluate the m...
|
|
|
STAGNATION TIME, COMPOSITION, PH AND ORTHOPHOSPHATE EFFECTS ON METAL LEACHING FROM BRASS |
|
Plumbing products made of brass and similar alloys are the only lead containing materials still installed in drinking water systems and, by law, may contain up to 8 % lead. Brass r...
|
|
|
STAGNATION TIME, COMPOSITION, PH, AND ORTHOPHOSPHATE EFFECTS ON METAL LEACHING FROM |
|
Plumbing products made of brass and similar alloys are the only lead containing materials still installed in drinking water systems and, by law, may contain up to 8% lead. Brass ra...
|
|
|
STANDARD OPERATING PROCEDURE FOR PREPARATION OF METHOD EVALUATION MATERIALS FOR LEAD IN DUST |
|
The procedure used to prepare lead (Pb) in dust method evaluation materials from real-world dusts is described. aterials prepared using this procedure have been found suitable for ...
|
|
|
STANDARD OPERATING PROCEDURE FOR PREPARATION OF METHOD EVALUATION MATERIALS FOR LEAD IN PAINT |
|
A protocol for preparing method evaluation materials from real-world lead-containing paints is described. aterials prepared using this protocol have been found suitable for use as ...
|
|
|
STANDARD OPERATING PROCEDURE FOR SOLUBILIZATION OF LEAD ON DUST WIPES BY HOTPLATE ACID DIGESTION |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
STANDARD OPERATING PROCEDURE FOR THE FIELD ANALYSIS OF LEAD IN PAINT, BULK DUST, AND SOIL BY ULTRASONIC, ACID DIGESTION AND COLORIMETRIC MEASUREMENT |
|
A quantitative field method was developed for the analysis of lead (Pb) in paint, bulk dust, and soil. 5% (v/v) HNO3 ultrasonic digestion was followed by colorimetric measurement o...
|
|
|
STANDARD OPERATING PROCEDURES FOR LEAD IN PAINT BY HOTPLATE - OR MICROWAVE-BASED ACID DIGESTIONS AND ATOMIC ABSORPTION OR INDUCTIVELY COUPLED PLASMA EMISSION SPECTROMETRY |
|
Two extraction and two quantitation procedures are given for the quantative determination of lead in paints along with recommended QA/QC practices. he procedures were evaluated wit...
|
|
|
STANDARD OPERATING PROCEDURES FOR MEASUREMENT OF LEAD IN PAINT USING THE SCITEC MAP-3 X-RAY FLUORESCENCE SPECTROMETER |
|
A portable X-ray fluorescence (XRF) procedure for quantatively measuring lead in paint in situ is described along with recommended QA/QC practices. he procedure was evaluated using...
|
|
|
STATIONARY SOURCE COMBUSTION: AN R/D UPDATE |
|
The paper discusses EPA/IERL-RTP R&D, underway since 1967, to advance combustion technology and the abatement and control of nitrogen oxides (NOx) and other combustion-generated po...
|
|
|
STATISTICAL ANALYSIS OF GROUNDWATER GEOCHEMISTRY DATA FROM AREA 6, DOVER AIR FORCE BASE, DOVER, DELAWARE |
|
The work described in this report is part of a project undertaken by the Bioremediation of Chlorinated Solvents Action Team of the Remediation Technologies Development Forum, a joi...
|
|
|
STATISTICAL PROCEDURES FOR CORROSION STUDIES |
|
Many utilities will be conducting pipe loop and other experimental studies to optimize corrosion control under the Lead and Copper Rule. his paper presents a discussion of the back...
|
|
|
STATISTICAL RELATIONSHIPS BETWEEN EXPOSURE AND DOSE |
|
The health effects of pollutants are often modeled by a dose-response relationship where the dose may be the mass of the pollutant delivered to a target body compartment. Since the...
|
|
|
STATUS ASSESSMENT OF TOXIC CHEMICALS: LEAD |
|
The uses of lead and the sources of lead pollution (both natural and man-made) are identified. Long-range projections concerning the lead usage are made and proposed new emissions ...
|
|
|
STATUS OF THE SUPERFUND INNOVATIVE TECHNOLOGY EVALUATION (SITE) PROGRAM |
|
In 1986, the U.S. Environmental Protection Agency's (USEPA's) Offices of Solid Waste and Emergency Response, and Research and Development established a technology research, demonst...
|
|
|
STEAM INJECTION REMEDIATION IN FRACTURED BEDROCK AT LORING AIR FORCE BASE |
|
Contaminated groundwater occurs at many Superfund, RCRA, and Brownfields sites. Chlorinated solvents which can form a dense nonaqueous phase (DNAPL) when released to the subsurfac...
|
|
|
STEMFLOW CONTRIBUTIONS TO THE "FERTILE ISLAND" EFFECT IN CREOSOTEBUSH, LARREA TRIDENTATA |
|
The frequency of creosotebushes with inverted cone canopies is greatest in environments which are more water-limited. Hemispherical shaped creosotebushes are more abundant in less...
|
|
|
STORMWATER TREATMENT AT CRITICAL AREAS: THE MULTI-CHAMBERED TREATMENT TRAIN (MCTT) |
|
Past studies have identified urban runoff as a major contributor to the degradation of many urban streams and rivers. The objective of this research was to characterize typical to...
|
|
|
STRATEGY FOR RESEARCH ON ENVIRONMENTAL RISKS TO CHILDREN (EXTERNAL PEER REVIEW DRAFT) |
|
The Draft Strategy for Research on Environmental Risks to Children describes the research directions that EPA's Office of Research and Development (ORD) will follow over the next f...
|
|
|
STRATOSPHERIC OZONE DEPLETION: A FOCUS ON EPA'S RESEARCH (EPA/640/K-95/004) |
|
This brochure describes the mechanisms of and problems associated with stratospheric ozone depletion as well as some of the Office of
Research and Development's (ORD) associated re...
|
|
|
STRESSOR IDENTIFICATION: TECHNICAL GUIDANCE DOCUMENT |
|
Since the inception of the Clean Water Act (CWA) in 1972, the rivers, lakes, estuaries, and wetlands of the United States have indeed become cleaner. The standard for meassuring th...
|
|
|
STUDIES IN CHILDREN EXPOSED TO LOW LEVELS OF LEAD |
|
Two separate studies were conducted with the overall objective of examining the impact of lead at low dose on the neuropsychological function of children. In the first study, a sam...
|
|
|
STUDIES IN SUBCLINICAL LEAD EXPOSURE |
|
The study was initiated to examine the utility of neuropsychologic testing in identifying deficits in children with asymptomatic elevations in blood lead levels. From the files of ...
|
|
|
STUDIES ON ADSORPTION OF 2-CHLORO BIPHENYL ON SEDIMENTS AND SEDIMENT COMPONENTS |
|
Polychlorinated biphenyls, or PCBs, are a family of 209 structurally related chemical compounds (congeners), consisting of two benzene rings and 1 to 10 chlorine atoms. They range ...
|
|
|
STUDIES TO DETERMINE THE ABSORPTION AND EXCRETION DYNAMICS OF LEAD |
|
The studies were designed to provide a basis for developing a relatively rapid mammalian test system for lead, to provide information on intestinal absorption, routes of excretion,...
|
|
|
STUDY OF CHILDREN'S BLOOD-LEAD LEVELS WITHIN FAMILIES |
|
Comparative studies of the biological indices of elevated exposure to lead in children and adults were conducted with the intention of reaching a better understanding of lead absor...
|
|
|
STUNTED MOUSE MAMMARY GLAND DEVELOPMENT, IN THE ABSENCE OF BODY WEIGHT EFFECTS, FOLLOWING PRENATAL EXPOSURE TO PFOA |
|
Perfluorooctanoic acid (PFOA), a synthetic compound resistant to severe weather and heat, is ubiquitous in the environment and is detected in serum of the human population and seve...
|
|
|
SUB-PPB QUANTITATION AND CONFIRMATION OF PERCHLORATE IN DRINKING WATERS CONTAINING HIGH TOTAL DISSOLVED SOLIDS USING ION CHROMATOGRAPHY WITH MASS SPECTROMETRIC DETECTION |
|
Perchlorate (ClO4 -) is a drinking water contaminant originating from the dissolution of the salts of ammonium, potassium, magnesium, or sodium in water. It is used primarily as...
|
|
|
SUBLETHAL EFFECTS OF CHRONIC OIL EXPOSURE ON THE INTERTIDAL CLAM 'MACOMA BALTHICA' |
|
When exposed to Prudhoe Bay crude oil in flowing seawater for 180 days, the small intertidal clam Macoma balthica showed behavioral, physical, physiological and biochemical changes...
|
|
|
SUMMARY OF AUDIT PERFORMANCE: MEASUREMENT OF SO2, NO2, CO, SULFATE, NITRATE, LEAD, HI-VOL FLOW RATE |
|
The report summarizes the results of the quality assurance audits for the period from October 1976 through December 1977. Pollutants for which audits were conducted and results rep...
|
|
|
SUMMARY OF AUDIT PERFORMANCE: MEASUREMENT OF SO2, NO2, SULFATE, NITRATE, LEAD, HI-VOL FLOW RATE, 1978 |
|
The report summarizes the results of the quality assurance audits for the period from January, 1978 through December, 1978. Pollutants for which audits were conducted and results r...
|
|
|
SUMMARY OF DISCUSSION SESSIONS: SYMPOSIUM ON LEAD-BLOOD PRESSURE RELATIONSHIPS |
|
The International Symposium on Lead-Blood Pressure Relationships was held in Chapel Hill, NC, April 27-29, 1987. The program was structured so as to first present an overview of th...
|
|
|
SUPERFUND ENGINEERING ISSUE: TREATMENT OF LEAD-CONTAMINATED SOILS |
|
This document summarizes the contents of a seminar on treatment of lead-contaminated soils presented on August 28, 1990, to Region V Superfund and RCRA personnel by members of EPA'...
|
|
|
SUPERFUND INNOVATIVE TECHNOLOGY EVALUATION PROGRAM Evaluation of Soil Amendment Technologies at the Crooksville/RosevillePottery Area of Concern Rocky Mountain Remediation ServicesEnvirobond™ Process |
|
RMRS developed the Envirobond™ process to treat heavy metals in soil.This phosphate-based technology consists of a proprietary powder and solution that binds with metals in contam...
|
|
|
SUPERFUND STATE-LEAD REMEDIAL PROJECT MANAGEMENT HANDBOOK |
|
The handbook defines the roles and responsibilities of the Remedial Project Officer (RPM) with regard to State-lead remedial projects at uncontrolled hazardous waste sites. It also...
|
|
|
SUPERFUND TREATABILITY CLEARINGHOUSE: PILOT INVESTIGATION OF LOW-TEMPERATURE STRIPPING OF VOLATILE ORGANIC COMPOUNDS (VOCS) FROM SOIL: VOLUME 1 - TECHNICAL REPORT AND VOLUME II APPENDICES |
|
The U.S. Army Toxic and Hazardous Materials Agency (USATHAMA)
is investigating technologies to treat soils contaminated with solvents. A
pilot study of low temperature thermal ...
|
|
|
SUPERFUND TREATABILITY CLEARINGHOUSE: SUMMARY REPORT ON THE FIELD INVESTIGATION OF THE SAPP BATTERY SITE JACKSON COUNTY, FLORIDA |
|
This treatability study presents the results of field investigations at the Sapp Battery site in Florida, an abandoned battery recycling operation. The site is estimated to contai...
|
|
|
SURVEILLANCE FOR DRINKING WATER-ASSOCIATED OUTBREAKS-UNITED STATES, 2001-2002 |
|
Problem/Condition: Since 1971, CDC, the U.S. Environmental Protection
Agency (EPA), and the Council of State and Territorial Epidemiologists CSTE) have maintained a collaborati...
|
|
|
SURVEILLANCE FOR WATERBORNE DISEASE AND OUTBREAK ASSOCIATED WITH RECREATIONAL WATER - UNITED STATES 2003-2004 |
|
Problem/Condition: Since 1971, the Centers for Disease Control and Prevention (CDC), the U.S. Environmental Protection Agency, and the Council of State and Territorial Epidemiologi...
|
|
|
SURVEILLANCE FOR WATERBORNE-DISEASE OUTBREAKS - UNITED STATES, 1999-2000 |
|
PROBLEM/CONDITION: Since 1971, CDC, the U.S. Environmental Protection Agency (EPA), and the Council of State and Territorial Epidemiologists (CSTE) have maintained a collaborative ...
|
|
|
SURVEY OF METALS IN SEDIMENTS NEAR QUONSET POINT, RHODE ISLAND |
|
Elevated levels of silver, cadmium, cobalt, chromium, copper, iron, manganese, nickel, lead and zinc were observed in sediments collected from Narragansett Bay off Quonset Point du...
|
|
|
SURVIVAL AND GROWTH OF 'TANYTARSUS DISSIMILIS' (CHIRONOMIDAE) EXPOSED TO COPPER, CADMIUM, ZINC, AND LEAD |
|
Tanytarsus dissimilis (Johannsen) was exposed to four heavy metals. Static exposure began during embryogenesis and continued through hatching and larval development to the 2nd or 3...
|
|
|
SURVIVAL OF BROOK TROUT EMBRYOS IN THREE EPISODICALLY ACIDIFIED STREAMS |
|
The authors evaluated brook trout Salvelinus fontinalis in three streams that undergo episodic acidification during critical periods of embryo development for survival of embryos f...
|
|
|
SYNERGISTIC AND ANTAGONISTIC EFFECTS ON GENOTOXICITY OF CHEMICALS COMMONLY FOUND IN HAZARDOUS WASTE SITES |
|
Synergistic and antagonistic effects on genotoxicity of mixtures of four chemicals; i.e., lead tetraacetate (LTA), arsenic trioxide (ATO), dieldrin (DED), and tetrachloroethylene (...
|
|
|
SYNTHESIS AND CHARACTERIZATION OF LIX-84 NON-COVALENTLY BOUND SILICA SORBENTS FOR METAL-ION RECOVERY |
|
Mesoporous silica particles were modified with LIX-84: (2-hydroxy-5-nonylacetophenome oxime). The LIX-84: was attached to the surface of silica via non-covelent forces. The effects...
|
|
|
SYSTEMATIC STUDY ON THE CONTROL OF LEAD IN A NEW BUILDING |
|
A new building was identified as having high lead levels in its drinking water. hrough a detailed sampling protocol, the sources of lead were identified as brass plumbing fittings ...
|
|
|
SYSTEMIC TRANSLOCATION OF PARTICULATE MATTER (PM)-ASSOCIATED METALS FOLLOWING A SINGLE INTRATRACHEAL (IT) INSTILLATION IN WKY RATS |
|
Ambient PM contains transition metals with differing water solubilities. Epidemiological studies show a link between PM exposure and an increased risk of cardiovascular disease. Di...
|
|
|
SYSTEMIC TRANSLOCATION OF PARTICULATE MATTER-ASSOCIATED METALS FOLLOWING A SINGLE INTRATRACHEAL INSTILLATION IN RATS |
|
Respirable ambient particulate matter (PM) exposure has been associated with an increased risk of cardiovascular disease. Direct translocation of PM associated metals from the lun...
|
|
|
Speciation, Characterization, And Mobility Of As, Se, and Hg In Flue Gas Desulphurization Residues |
|
Flue gas from coal combustion contains significant amounts of volatile elements, such as arsenic (As), selenium (Se) and mercury (Hg), which could lead to serious environmental hea...
|
|
|
Surveillance for waterborne disease and outbreaks associated with drinking water and water not intended for drinking-United States, 2005-2006 |
|
PROBLEM/CONDITION: Since 1971, CDC, the U.S. Environmental Protection Agency (EPA), and the Council of State and Territorial Epidemiologists have maintained a collaborative Waterbo...
|
|
|
Surveillance for waterborne disease and outbreaks associated with recreational water use and other aquatic facility-associated health events-United States, 2005-2006 |
|
PROBLEM/CONDITION: Since 1971, CDC, the U.S. Environmental Protection Agency, and the Council of State and Territorial Epidemiologists have collaboratively maintained the Waterborn...
|
|
|
T05 DETERMINATION OF REDUCED ARSENIC-THIO SPECIES IN WATERS BY ION CHROMATOGRAPHY-INDUCTIVELY-COUPLED PLASMA-MASS SSPECTROMETRY (IC-ICP-MS). |
|
Elevated arsenic concentrations in ground water are a significant concern for human health, because they may lead to increased arsenic exposure via drinking water. As the inorganic...
|
|
|
TANK ISSUES: DESIGN AND PLACEMENT OF FLOATING LIQUID MONITORING WELLS |
|
Liquid product monitoring is the predominant method of external leak detection where the water table is within the zone of excavation. his paper discusses the use of liquid product...
|
|
|
TECHNOLOGICAL PROGRESS IN REDUCING CFC AND HALON EMISSIONS |
|
The paper discusses EPA's development of a technological program to implement (in the U. 5.) the Montreal Protocol on Substances that Deplete the Ozone lLayer. PA's Office of Air a...
|
|
|
TECHNOLOGY EVALUATION REPORT SITE PROGRAM DEMONSTRATION TEST, SHIRCO INFRARED INCINERATION SYSTEM, PEAK OIL, BRANDON, FLORIDA. VOLUME 1 |
|
A Shirco Infrared System used for a removal action at a PCB-containing oil refining waste site in Brandon, Florida (a suburb of Tampa) was evaluated. The evaluation included a dete...
|
|
|
TECHNOLOGY EVALUATION REPORT SITE PROGRAM DEMONSTRATION TEST, SHIRCO INFRARED INCINERATION SYSTEM, PEAK OIL, BRANDON, FLORIDA. VOLUME 2 |
|
A Shirco Infrared system used for a removal action at a PCB-containing oil refining waste site in Brandon, Florida (a suburb of Tampa) was evaluated. The evaluation included a dete...
|
|
|
TECHNOLOGY EVALUATION REPORT: DESIGN AND DEVELOPMENT OF A PILOT-SCALE DEBRIS DECONTAMINATION SYSTEM - VOLUME I |
|
Metallic, masonry, and other solid debris that may be contaminated with hazardous chemicals litter numerous hazardous waste sites in the United States. olychlorinated biphenyls (PC...
|
|
|
TECHNOLOGY EVALUATION REPORT: DESIGN AND DEVELOPMENT OF A PILOT-SCALE DEBRIS DECONTAMINATION SYSTEM - VOLUME II |
|
Metallic, masonry, and other solid debris that may be contaminated with hazardous chemicals litter numerous hazardous waste sites in the United States. olychlorinated biphenyls (PC...
|
|
|
TECHNOLOGY EVALUATION REPORT: SITE PROGRAM DEMON- STRATION TEST - HORSEHEAD RESOURCE DEVELOPMENT COMPANY, INC. - FLAME REACTOR TECHNOLOGY - MONACA, PENNSYLVANIA |
|
A SITE demonstration of the Horsehead Resource Development (HRD) Company, Inc. Flame Reactor Technology was conducted in March 1991 at the HRD facility in Monaca, Pennsylvania. or ...
|
|
|
TECHNOLOGY EVALUATION REPORT: SITE PROGRAM DEMONSTRATION TEST -HORSEHEAD RESEARCH DEVELOPMENT CO., INC. - FLAME REACTOR TECHNOLOGY |
|
A SITE demonstration of the Horsehead Resource Development (HRD) Company, Inc. Flame Reactor Technology was conducted in March 1991 at the HRD facility in Monaca, Pennsylvania. or ...
|
|
|
TECHNOLOGY EVALUATION REPORT: SITE PROGRAM DEMONSTRATION TEST, SOLIDITECH, INC. SOLIDIFICATION/STABILIZATION PROCESS VOL I |
|
The primary objective of the Soliditech, Inc. solidification/stabilization demonstration was to develop reliable performance and cost information. he demonstration took palce at th...
|
|
|
TECHNOLOGY EVALUATION REPORT: SITE PROGRAM DEMONSTRATION TEST, SOLIDITECH, INC. SOLIDIFICATION/STABILIZATION PROCESS VOL II |
|
The primary objective of the Soliditech, Inc. solidification/stabilization demonstration was to develop reliable performance and cost information. he demonstration took palce at th...
|
|
|
TEMPERATURE SENSITIVITY OF SOIL RESPIRATION AND ITS EFFECTS ON ECOSYSTEM CARBON BUDGET: NONLINEARITY BEGETS SURPRISES. (R827676) |
|
Nonlinearity is a salient feature in all complex systems, and it certainly characterizes biogeochemical cycles in ecosystems across a wide range of scales. Soil carbon emission ...
|
|
|
TESTING AND ANALYSES OF CHAT AND ASPHALT-CONTAINING CHAT |
|
Granular mine waste are generated from the extraction and beneficiation of lead/zinc minerals. The fine gravel waste, commonly known as chat, in the Tristate Mining District conta...
|
|
|
TESTING AND ANALYSES OF CHAT AND ASPHALT-CONTAINING CHAT (PRESENTATION) |
|
Granular mine waste are generated from the extraction and beneficiation of lead/zinc minerals. The fine gravel waste, commonly known as chat, in the Tristate Mining District conta...
|
|
|
TESTING FOR DEVELOPMENTAL NEUROTOXICITY: CURRENT APPROACHES AND FUTURE NEEDS. |
|
There are many adverse effects on the nervous system following exposure to environmental chemicals during development. In a number of cases (e.g., lead, methyl mercury) the deve...
|
|
|
TESTING METHODS FOR DETECTION OF CRYPTOSPORIDIUM SPP. IN WATER SAMPLES |
|
A large waterborne outbreak of cryptosporidiosis in Milwaukee, Wisconsin, U.S.A. in 1993 prompted a search for ways to prevent large-scale waterborne outbreaks of protozoan parasit...
|
|
|
TESTING, PERFORMANCE VALIDATION AND QUALITY ASSURANCE/QUALITY CONTROL OF FIELD-PORTABLE INSTRUMENTATION |
|
New technologies for field-portable monitoring instruments often have a long lead time in development and authorization. Some obstacles to the acceptance of these pilot technologie...
|
|
|
TETRAVALENT LEAD: A HITHERTO UNRECOGNIZED CONTROL OF TAP WATER LEAD CONTAMINATION |
|
Almost all of the theoretical framework underlying the control of plumbosolvency and lead release has been based on the presumption that the lead release is explicable by Pb(II) so...
|
|
|
THE ANALYSIS OF SUSPENDED PARTICULATES AND SULFATES: A WAY TO BEGIN |
|
Total suspended particulate (TSP) and suspended sulfate (SS) levels have been sampled since November 1973 at five isolated sites across the Tennessee Valley. A method for beginning...
|
|
|
THE AORTA, BUT NOT LUNG OR HEART, IS THE TARGET OF SUBCHRONIC DIESEL-INDUCED INJURY AND INFLAMMATION |
|
Recently cardiovascular abnormalities have been noted in individuals exposed to diesel exhaust (DE) or traffic generated air pollution; however, the mechanisms are unknown. We pos...
|
|
|
THE APPLICATION OF PRB TECHNOLOGY AT TWO SITES: LESSONS LEARNED AFTER 7 YEARS OF PERFORMANCE MONITORING |
|
In June of 1996, a 46 m long, 7.3 m deep, and 0.6 m wide permeable reactive barrier (continuous wall configuration) of zero-valent iron was installed at the USCG-SC site. The reac...
|
|
|
THE BIMODAL DISTRIBUTION: DEVELOPMENT OF THE CONCEPT OF FINE AND COARSE PARTICLES AS SEPARATE AND DISTINCT COMPONENTS OF AIRBORNE PARTICULATE MATTER |
|
In the early 1970s, it was understood that combustion particles were formed mostly in sizes below 1 um diameter, and windblown dust was suspended in sizes mostly above 1 um diamete...
|
|
|
THE CANADIAN PERSPECTIVE ON CORROSION CONTROL: HEALTH CANADA'S CORROSION CONTROL GUIDELINE |
|
Health Canada has proposed a Corrosion Control Guideline, based on lead, which is undergoing public consultation and expected to be finalized in 2007. In Canada, there are no regul...
|
|
|
THE CARBON DIOXIDE LEAKAGE FROM CHAMBERS MEASURED USING SULFUR HEXAFLUORIDE |
|
In plant chamber studies, if Co2 leaking from a chamber is not quantified, it can lead to an overestimate of assimilation rates and an underestimate of respiration rates: consequen...
|
|
|
THE CHALLENGES OF AIR POLLUTION AND RESIDUAL RISK ASSESSMENT (EDITORIAL) |
|
The Clean Air Act (CAA), a comprehensive federal law that regulates air pollution from stationary and mobile sources, was first passed in 1963. The act has provided the primary fra...
|
|
|
THE COMBUSTION OF ORIMULSION AND ITS GENERATION OF AIR POLLUTANTS |
|
Orimulsion, a bitumen-in-water emulsified fuel produced in Venezuela, has shown increased use throughout the world as a replacement for heavy fuel oil and, more frequently duri...
|
|
|
THE COMPARATIVE IMMUNOTOXICITY OF FIVE SELCTED COMPOUNDS FOLLOWING DEVELOPMENTAL OR ADULT EXPOSURE |
|
It is well established that human diseases associated with abnormal immune function, including some common infectious diseases and asthma, are considerably more prevalent at younge...
|
|
|
THE CONDITION OF CORAL REEFS IN SOUTH FLORIDA (2000) USING CORAL DISEASE AND BLEACHING AS INDICATORS |
|
The destruction for coral reef habitats is occurring at unprecedented levels. Coral disease epizootics in the Southwestern Atlantic have lead to coral replacement by turf algae, pr...
|
|
|
THE CONGENER PROFILES OF ANTHROPOGENIC SOURCES OF CHLORINATED DIBENZO-P-DIOXINS AND CHLORINATED DIBENZOFURANS IN THE U.S. |
|
Anthropogenic sources of CDDs and CDFs in the U.S. are broadly classified as combustion/incineration sources, and chemical manufacturing/processing sources. It is postulated here ...
|
|
|
THE CORROSION CONTROL-WATER QUALITY SPIDER WEB |
|
This presentation provides an overview of new research results and emerging research needs with respect to both corrosion control issues, (lead, copper, iron) and to issues of inor...
|
|
|
THE DISTRIBUTION OF CADMIUM AND OTHER METALS IN HUMAN TISSUES |
|
The study investigates the relationship between cadmium, lead, zinc and mercury burdens and age in five different autopsy tissues. Approximately 30 autopsy cases in each of five ag...
|
|
|
THE DISTRIBUTION OF EDB, BENZENE, AND 1,2-DCA AT GASOLINE SPILL SITES |
|
With assistance from the Association of State and Territorial Air and Solid Waste Management Officials (ASTSWMO), the U.S. EPA Office of Underground Storage Tanks (OUST) and the U....
|
|
|
THE DOWNSLOPE PROPAGATION OF A DISTURBANCE IN A FORESTED CATCHMENT: AN ECO-HYDROLOGIC SIMULATION STUDY |
|
We developed and applied a spatially-explicit, eco-hydrologic model to examine how a landscape disturbance affects hydrologic processes, ecosystem cycling of C and N, and ecosystem...
|
|
|
THE EFFECT OF DUST LEAD CONTROL ON BLOOD LEAD IN TODDLERS: A RANDOMIZED TRIAL |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
THE EFFECT OF DUST LEAD CONTROL ON BLOOD LEAD IN TODDLERS: A RANDOMIZED TRIAL |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
THE EFFECT OF ENVIRONMENTAL CHEMICALS ON HUMAN HEALTH |
|
Humans and animals have always been exposed to chemicals in our environments - natural products in foods, smoke from cooking fires, sewage in drinking water, pesticides from plants...
|
|
|
THE EFFECT OF ENVIRONMENTAL CHEMICALS ON HUMAN HEALTH -- USCF |
|
Humans and animals have always been exposed to chemicals in our environment - natural products in foods, smoke from cooking fires, sewage in drinking water, pesticides from plants....
|
|
|
THE EFFECT OF FLUORIDE ON LEAD SOLUBILITY |
|
Difficulties in predicting and controlling lead corrosion are encountered by hundreds of water systems across the country. Inorganic carbonate, sulfate, silicate, orthophosphate, p...
|
|
|
THE EFFECT OF METHYLMERCURIC CHLORIDE, CADMIUM CHLORIDE, AND LEAD NITRATE ON SIX BIOCHEMICAL FACTORS OF THE BROOK TROUT (SALVELINUS FONTINALIS) |
|
Brook trout were exposed to experimental water concentrations of methylmercuric chloride at concentrations from 0.01 to 2.93 micrograms of Hg/liter, to cadmium chloride from 0.06 t...
|
|
|
THE EFFECT OF ORTHO- AND POLYPHOSPHATE ON THE PROPERTIES OF IRON PARTICLES AND SUSPENSIONS |
|
Orthophosphate and polyphosphates are used widely by drinking water utilities to reduce lead, copper and iron release from distribution system materials, and reduce visible iron pr...
|
|
|
THE EFFECT OF OXIDANT AND REDOX POTENTIAL ON METAL CORROSION IN DISTRIBUTION SYSTEM MATERIALS |
|
Poster presentation on additional and/or alternative oxidation and disinfection practices....
|
|
|
THE EFFECT OF PHOSPHATE ON THE MORPHOLOGICAL AND SPECTROSCOPIC PROPERTIES OF COPPER DRINKING WATER PIPES EXPERIENCING LOCALIZED CORROSION |
|
Extensive localized or pitting corrosion of copper pipes used in household drinking-water plumbing can eventually lead to pinhole water leaks that may result in water damage, mold ...
|
|
|
THE EFFECT OF UNCERTAINTY FACTOR PLACEMENT IN A PHYSIOLOGICALLY-BASED PHARMACOKINETIC (PBPK) MODEL OF TRICHLOROETHYLENE (TCE) FOR ACUTE EXPOSURE GUIDELINE LEVELS (AEGL). |
|
PBPK models may be used in risk assessment to reduce uncertainties associated with dosimetry; however, other considerations may still lead to incorporation of uncertainty factors (...
|
|
|
THE EFFECTIVENESS OF A HOME CLEANING INTERVENTION STRATEGY IN REDUCING POTENTIAL DUST AND LEAD EXPOSURES |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
THE EMPACT COLLECTION |
|
The TTSD of the USEPA's ORD/NRMRL has completed a series of technology transfer and risk communication handbooks, case studies, and summary reports for community-based environmenta...
|
|
|
THE EPA LEAD SCAVENGER STUDY |
|
With assistance from the Association of State and Territorial Air and Solid Waste Management Officials (ASTSWMO), the U.S. EPA Office of Underground Storage Tanks (OUST) and the U....
|
|
|
THE EPIDEMIOLOGY OF CHEMICAL CONTAMINANTS OF DRINKING WATER |
|
A number of chemical contaminants have been identified in drinking water. These contaminants reach drinking water supplies from various sources, including municipal and i...
|
|
|
THE FAILURE OF CHLOROFORM ADMINISTERED IN THE DRINKING WATER TO INDUCE RENAL TUBULAR CELL NEOPLASIA IN MALE F344/N RATS |
|
The failure of chloroform administered in drinking water to induce renal tubular cell neoplasia in male F344/N rats
Chloroform (TCM) has been demonstrated to be a renal ...
|
|
|
THE FATE OF TRACE METALS IN A ROTARY KILN INCINERATOR WITH A SINGLE-STAGE IONIZING WET SCRUBBER - VOLUME II: APPENDICES |
|
A series of pilot-scale incineration tests was performed at EPA's Incineration Research Facility (IRF) in Jefferson, Arkansas, to evaluate the fate of trace metals fed to a rotary ...
|
|
|
THE FATE OF TRACE METALS IN A ROTARY KILN INCINERATOR WITH A VENTURI/PACKED COLUMN SCRUBBER - VOLUME I: TECHNICAL RESULTS |
|
A five week series of pilot-scale incineration tests, using a synthetic waste feed, was performed at the Environmental Protection Agency's Incineration Research Facility to evaluat...
|
|
|
THE FORMATION OF PB (IV) OXIDES IN CHLORINATED WATER |
|
The foundation for lead control in drinking water distribution systems is based on Pb(II) chemistry. In recent years, however, Pb(IV) oxides have been identified in distribution s...
|
|
|
THE FORMATION OF PB(IV) OXIDES IN CHLORINATED WATER |
|
Recent research has shown that Pb(IV) oxides can play an important geochemical role in drinking water distribution systems. The basis of most guidance for lead control in drinking ...
|
|
|
THE FORMATION OF PB(IV) OXIDES IN CHLORINATED WATER - PRESENTATION |
|
Recent research has shown that Pb(IV) oxides can play an important geochemical role in drinking water distribution systems. The basis of most guidance for lead control in drinking ...
|
|
|
THE INFLUENCE OF DEVELOPMENTAL PERIOD OF LEAD EXPOSURE ON LONG-TERM POTENTIATION IN THE ADULT RAT DENTATE GYRUS IN VIVO |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
THE INFLUENCE OF HUMAN ACTIVITY PATTERNS ON PERSONAL PM EXPOSURE: A COMPARATIVE ANALYSIS OF FILTER-BASED AND CONTINUOUS PARTICLE MEASUREMENTS |
|
Particulate matter (PM) exposure data from the U.S. Environmental Protection Agency sponsored 1998 Baltimore and 1999 Fresno PM Exposure Studies were analyzed to identify importa...
|
|
|
THE INFLUENCE OF HUMAN ACTIVITY PATTERNS ON PERSONAL PM EXPOSURE: A COMPARATIVE ANALYSIS OF FILTER-BASED AND CONTINUOUS PARTICLE MEASUREMENTS |
|
Particulate matter (PM) exposure data from the U.S. Environmental Protection Agency sponsored 1998 Baltimore and 1999 Fresno PM Exposure Studies were analyzed to identify importa...
|
|
|
THE INFLUENCE OF OVERLYING PAINT LAYERS ON MEASURED LEAD CONCENTRATIONS IN PAINT MEASURED BY ENERGY-DISPERSIVE X-RAY FLUORESCENCE SPECTROSCOPY |
|
There is no abstract available for this product. If further information is requested, please refer to the bibliographic citation and contact the person listed under Contact field....
|
|
|
THE INFLUENCE OF SERUM BINDING PROTEINS AND CLEARANCE ON THE COMPARATIVE RECEPTOR BINDING POTENCY OF ENDOCRINE ACTIVE COMPOUNDS |
|
THE INFLUENCE OF SERUM BINDING PROTEINS AND CLEARANCE ON THE COMPARATIVE RECEPTOR BINDING POTENCY OF ENDOCRINE ACTIVE COMPOUNDS. JG Teeguarden1 and HA Barton2. 1ENVIRON Internation...
|
|
|
THE INFLUENCE OF SERUM BINDING PROTEINS AND CLEARANCE ON THE COMPARATIVE RECEPTOR BINDING POTENCY OF ENDOCRINE ACTIVE COMPOUNDS |
|
THE INFLUENCE OF SERUM BINDING PROTEINS AND CLEARANCE ON THE COMPARATIVE RECEPTOR BINDING POTENCY OF ENDOCRINE ACTIVE COMPOUNDS. JG Teeguarden1 and HA Barton2. 1ENVIRON Internation...
|
|
|
THE MINERALOGY OF PB SCALES IN DRINKING WATER DISTRIBUTION SYSTEMS AS REVEALED BY COMBINED XRD AND MICRO-RAMAN SPECTROSCOPY |
|
Dissolving Pb from lead service lines and Pb-containing brasses and solders has become a major health issue for many water distribution systems. Knowledge of the mineralogy of sca...
|
|
|
THE NATIONAL CHILDREN'S STUDY OF ENVIRONMENTAL EFFECTS ON CHILD HEALTH AND CDEVELOPMENT |
|
The Children's Health Act of 2000 authorized a consortium of Federal agencies, including the U.S. Environmental Protection Agency (U.S. EPA), to develop and implement a prospective...
|
|
|
THE NATIONAL HUMAN EXPOSURE ASSESSMENT SURVEY (NHEXAS) STUDY IN ARIZONA-INTRODUCTION AND PRELIMINARY RESULTS |
|
The objective of the National Human Exposure Assessment Survey (NHEXAS) in Arizona is to determine the multimedia distribution of total human exposure to environmental pollutants i...
|
|
|
THE NEUROTOXICANT TRIMETHYLTIN STIMULATES APOPTOSIS VIA OXIDATIVE STRESS, CASPASE ACTIVATION AND P38 PROTEIN KINASE. |
|
Acute exposure to the tri-substituted organotin trimethyltin (TMT) causes neuronal degeneration in the hippocampus, amygdala, pyriform cortex, and neocortex. Developmental exposur...
|
|
|
THE OCCURRENCE OF CONTAMINANT ACCUMULATION IN LEAD PIPE SCALES FROM DOMESTIC DRINKING WATER DISTRIBUTION SYSTEMS |
|
Previous work has shown that contaminants, such as Al, As and Ra, can accumulate in drinking water distribution system solids. The release of accumulated contaminants back into the...
|
|
|
THE PARADOX OF THE PLANKTON: COMMUNITY STRUCTURE PROMOTES BLOOMS |
|
ABSTRACT: The 'paradox of the plankton' refers to commensalism as well as symbiosis, predation, and impacts of non equilibrium conditions between two planktonic
competitors....
|
|
|
THE REACTIVE OXYGEN SPECIES (ROS) THEORY OF ARSENIC CARCINOGENESIS |
|
At this time, there is not a scientific consensus on the mechanisms/modes of action for arsenic carcinogenesis. Proposed mechanisms/modes of action for arsenic carcinogenesis incl...
|
|
|
THE REACTIVE OXYGEN SPECIES (ROS) THEORY OF ARSENIC CARCINOGENESIS |
|
Arsenic is a human carcinogen in skin, lung, liver, urinary bladder
and kidney. At this time, there is not a scientific consensus on the
mechanisms/modes of a...
|
|
|
THE RELATIONSHIP BETWEEN THE CORROSION OF DISTRIBUTION SYSTEM MATERIALS, AND OXIDANT AND REDOX POTENTIAL |
|
Scale build-up, corrosion rate, and metal release associated with drinking water distribution system pipes have been suggested to relate to the oxidant type and concentration. Con...
|
|
|
THE REPORTED EFFECTIVENESS OF COMMONLY USED BEST MANAGEMENT PRACTICES FOR THE CONTROL OF NUTRIENTS IN URBAN STORMWATER |
|
Many structural BMPs, when appropriately designed and constructed, capture and treat urban runoff to remove particulate-associated pollutants. However, field monitoring programs s...
|
|
|
THE ROLE OF APOPTOSIS IN NEUROTOXICOLOGY. |
|
The role of apoptosis in neurodegeneration in developing animals and in adults has become increasingly apparent in the past ten years. Normal apoptosis occurs in the CNS from the e...
|
|
|
THE ROLE OF PIPE AGEING IN COPPER CORROSION BY-PRODUCT RELEASE |
|
The presence of sulphate, bicarbonate and orthophosphate can change the type of solid present in systems containing cupric ion or cupric hydroxide solids. In some cases, a short-t...
|
|
|
THE ROLE OF PROLACTIN IN THE DEVELOPMENTAL TOXICOLOGY OF THE RAT PROSTATE |
|
Many investigators have examined the effects of peri- or postnatal exposure to steroids and compounds with steroidogenic activity on the development of the offspring. Such exposure...
|
|
|
THE ROLE OF PROTEIN BINDING OF TRIVALENT ARSENICALS IN ARSENIC CARCINOGENESIS AND TOXICITY |
|
Three of the most plausible biological theories of arsenic carcinogenesis are protein binding, oxidative stress and altered DNA methylation. This review presents the role of trival...
|
|
|
THE ROLE OF STORMWATER BMPS IN MITIGATING THE EFFECTS OF NUTRIENT OVERENRICHMENT IN THE URBAN WATERSHED |
|
Nutrient overenrichment from agricultural and urban point and nonpoint sources, including urban stormwter, is a leading cause of impairment to our nation's rivers, lakes, and coast...
|
|
|
THE SAGA OF A MALE FERTILITY PROTEIN (SP22) |
|
Toxicologic studies designed to identify chemical-induced alterations in the structure and function of the epididymis, particularly the acquisition of fertility by proximal cauda e...
|
|
|
THE SCIENCE AND PRACTICE OF PHYTOREMEDIATION |
|
This presentation will briefly review terminology, and define the types, benefits, and limitations of phytoremediation. A review of where phytoremediation fits in the scheme of haz...
|
|
|
THE SHORT-TERM EFFECTS OF LEAD ON DOMESTIC AND WILD ANIMALS |
|
Small quantities of lead, a ubiquitous and toxic element, may be found in practically all species of plants and animals. The list of animals, both domestic and wild, reportedly int...
|
|
|
THE SIGNIFICANCE OF "STAGNATION CURVES" FOR LEAD AND COPPER, AND WATER QUALITY FACTORS AFFECTING THEM |
|
"Stagnation curves" are the response of metal levels, particularly lead and copper, to time under conditions of no water flow. Research on lead pipe in the early 1980's in the Uni...
|
|
|
THE SIGNIFICANCE OF ARSENIC-BOUND SOLIDS IN DRINKING WATER DISTRIBUTION SYSTEMS |
|
Sorption, co-precipitation, and oxidation-reduction reactions of arsenic at the sorbent-water interface are importent factors affecting the fate and transport of arsenic in aqueous...
|
|
|
THE SOLUBILITY AND SURFACE CHEMISTRY OF FRESHLY PRECIPITATED COPPER SOLIDS |
|
Since the implementation of the United States Environmental Protection Agency’s Lead and Copper Rule (LCR) in 1991, a great deal of research has been conducted on copper corrosion ...
|
|
|
THE SOLUBILITY AND SURFACE CHEMISTRY OF FRESHLY PRECIPITATED COPPER SOLIDS |
|
Since the implementation of the United States Environmental Protection Agency’s Lead and Copper Rule (LCR) in 1991, a great deal of research has been
conducted on copper corrosio...
|
|
|
THE SUPERSITES PROGRAM |
|
The PM2.5 monitoring program is dominated by gravimetric measurements (over 1000 mass samplers nationwide) specific for indicator mass, where the primary objective is comparisons...
|
|
|
THE SYNTHESIS OF LEAD PYROPHOSPHATE, PB2P2O7, IN WATER |
|
Polyphosphates are used in the drinking water to prevent the precipitation of cations such as calcium and iron. The possible negative impact of using polyphosphates is the undesir...
|
|
|
THE THREE INTERACTING FACTORS ASSOCIATED WITH CHILDREN'S DIETARY EXPOSURES: ENVIRONMENTAL CONCENTRATIONS, FOOD CONTAMINATION, AND CHILDREN'S BEHAVIORS |
|
The dietary contribution to an aggregate exposure assessment is potentially an important pathway of exposure especially for young children. Enviornmental contamination appearing in...
|
|
|
THE US EPA'S SUPERSITES PROGRAM |
|
The PM2.5 monitoring program is dominated by gravimetric measurements (over 1000 mass samplers nationwide) specific for mass, where the primary objective is comparisons with the ...
|
|
|
THE USE OF INSITU TREATMENT TO REDUCE TOXICITY |
|
Mining or smelting of lead and zinc ores generates mine tailing and smelter slags rich in lead, zinc, and cadmium. Old smelting operations have commonly caused severly contaminat...
|
|
|
THE USE OF THE ELEVATED PLUS MAZE IN THE TOXICOLOGY LABORAOTRY: PILOT STUDIES AND ASSESSMENT OF ANXIETY IN RATS EXPOSED TO LEAD ACETATE OR SUB-CHRONIC LEVELS OF TOLUENE. |
|
A common complaint of individuals exposed to neurotoxic agents is increased anxiety.
Rat models of the effects of long-term exposure to environmental chemicals on anxiety <...
|
|
|
THE USEFULNESS OF SCALE ANALYSIS: EXAMPLES FROM EASTERN MASSACHUSETTS |
|
Many water system managers and operators are curious about the value of analyzing the scales of drinking water pipes. Approximately 20 sections of lead service lines were removed ...
|
|
|
THE VALUE OF NUDGING IN THE METEOROLOGY MODEL FOR RETROSPECTIVE CMAQ SIMULATIONS |
|
Using a nudging-based data assimilation approach throughout a meteorology simulation (i.e., as a "dynamic analysis") is considered valuable because it can provide a bette...
|
|
|
THEORETICAL AND EXPERIMENTAL MODELING OF MULTI-SPECIES TRANSPORT IN SOILS UNDER ELECTRIC FIELDS |
|
Electrokinetics employs the use of electrodes implanted in soils-contaminated media. Electrodes are supplied with direct current (dc) facilitating ionic transport and subsequent r...
|
|
|
THEORETICAL INVESTIGATION OF SELECTED TRACE ELEMENTS IN COAL GASIFICATION PLANTS |
|
The report gives results of a theoretical investigation of the disposition of five volatile trace elements (arsenic, boron, lead, selenium, and mercury) in SNG-producing coal gasif...
|
|
|
THERMAL CONVERSION OF MUNICIPAL WASTEWATER SLUDGE, PHASE II: STUDY OF HEAVY METAL EMISSIONS |
|
The object of this work was to compare and analyze heavy metal emissions associated with the thermal conversion (incineration) processes which can be conducted in a multiple-hearth...
|
|
|
THERMAL ENCAPSULATION OF METALS IN SUPERFUND SOILS |
|
Superfund sites frequently contain both heavy metals and organic hazardous waste. f not properly controlled, the metals may be changed to a more leachable form and may also be emit...
|
|
|
THERMOREGULATION IN MICE FOLLOWING ACUTE ADMINISTRATION OF LEAD ACETATE |
|
Several reports in the literature suggest a relationship between lead intoxication and thermoregulatory capacity. To investigate the effects of lead on the control of body temperat...
|
|
|
THERMOREGULATORY EFFECTS OF CHLORPYRIFOS IN THE RAT: LONG-TERM CHANGES IN CHOLINERGIC AND NORADRENERGIC SENSITIVITY |
|
Subcutaneous injection of a sublethal dose of chlorpyrifos (CHLP), an organophosphate (OP) pesticide, causes long-term inhibition in cholinesterase activity (ChE) of brain, blood, ...
|
|
|
TIME-DEPENDENT CHANGES OF MARKERS ASSOCIATED WITH INFLAMMATION IN THE LUNGS OF HUMANS EXPOSED TO AMBIENT LEVELS OF OZONE |
|
Acute exposure of humans to 0.4 ppm ozone results in reversible respiratory function decrements, and cellular and biochemical changes leading to the production of substances which ...
|
|
|
TISSUE ASSAYS AND POPULATION CHARACTERISTICS OF ROOSEVELT HOT SPRINGS' ANIMALS (1977-1978) |
|
Geothermal energy exploration is being conducted at several locations in the United States including a site at Roosevelt Hot Springs in southwest Utah. To assess any possible impac...
|
|
|
TO PURGE OR NOT TO PURGE? VOC CONCENTRATION CHANGES DURING LINE VOLUME PURGING |
|
Soil vapor surveys are commonly used as a screening technique to delineate volatile organic compound (VOC) contaminant plumes and provide information for soil sampling plans. Tradi...
|
|
|
TORONTO HARBOUR COMMISSIONERS (THC) SOIL RECYCLE TREATMENT TRAIN - APPLICATIONS ANALYSIS REPORT |
|
The Toronto Harbour Commissioners (THC) have developed a soil treatment train designed to treat inorganic and organic contaminants in soils. THC has conducted a large-scale demonst...
|
|
|
TOWARD A THEORY OF SUSTAINABLE SYSTEMS |
|
While there is tremendous interest in sustainability, a fundamental theory of sustainability does not exist. We present our efforts at constructing such a theory using Physics, In...
|
|
|
TOWARD A THEORY OF SUSTAINABLE SYSTEMS |
|
While there is tremendous interest in the topic of sustainability, a fundamental theory of sustainability does not exist. We present our efforts at constructing such a theory start...
|
|
|
TOWARD A THEORY OF SUSTAINABLE SYSTEMS. FLUID PHASE EQUILIBRIA: JOURNAL ARTICLE |
|
NRMRL/STD JOURNAL NRMRL-CIN-1364 Cabezas*, H., and Fath**, B.D. Toward a Theory of Sustainable Systems. Fluid Phase Equilibria (Nakanishi, K., Yasukiko, A., Miyano, Y. (Ed.),...
|
|
|
TOWARDS THE DEVELOPMENT OF A BIOLOGICALLY BASED DOSE-RESPONSE MODEL OF LEAD NEUROTOXICITY |
|
NO ABSTRACT PROVIDED...
|
|
|
TOXIC METALS IN THE ENVIRONMENT: THERMODYNAMIC CONSIDERATIONS FOR POSSIBLE IMMOBILIZATION STRATEGIES FOR PB, CD, AS, AND HG |
|
The contamination of soils by toxic metals is a widespread, serious problem that demands immediate action either by removal or immobilization, which is defined as a process which p...
|
|
|
TOXIC POLLUTANTS IN URBAN WET-WEATHER FLOWS: AN OVERVIEW OF THE MULTI-MEDIA TRANSPORT, IMPACTS, AND CONTROL MEASURES |
|
This paper presents an overview of the transport of toxic pollutants through multiple media and drainage systems in the urban watershed during wet-weather periods. It includes the ...
|
|
|
TOXIC TRACE METALS IN MAMMALIAN HAIR AND NAILS |
|
Data have been compiled from the available world literature on the accumulation and bioconcentration of selected toxic trace metals in human hair and nails and other mammalian hair...
|
|
|
TOXICITY AND BIOACCUMULATION OF CADMIUM AND LEAD IN AQUATIC INVERTEBRATES |
|
Cadmium toxicity and lead toxicity to four species of insects (Pteronarcys dorsata, Hydropsyche betteni, Brachycentrus sp. and Ephemerella sp.) one snail (Physa integra) and one am...
|
|
|
TOXICITY EVALUATION OF A COMPLEX METAL MIXTURE TO THE SOFTSHELL CLAM 'MYA ARENARIA' |
|
Adults of the softshell clam Mya arenaria were continuously subjected to a flowing raw seawater solution containing a mixture of salts of manganese, zinc, lead, nickel, copper, and...
|
|
|
TOXICITY OF AHR AGONISTS TO FISH EARLY LIFE STAGES |
|
Fish early life stages are exceptionally sensitive to the lethal toxicity of chemicals that act as arylhydrocarbon receptor (AhR) agonists. Toxicity characterizations based on 2,3...
|
|
|
TOXICITY TEST USING LIFE STAGES OF 'CHAMPIA PARVULA' (RHODOPHYTA) |
|
A static-renewal, 11- to 14-day toxicity test has been developed using the life cycle of the marine red alga Champia parvula (C. Ag.) Harv. It measures the vegetative growth, forma...
|
|
|
TOXICITY TESTING, RISK ASSESSMENT, AND OPTIONS FOR DREDGED MATRIAL MANAGEMENT |
|
The U.S. Environmental Protection Agency (U.S. EPA), in conjunction with the U.S. Army Corps of Engineers (U.S. ACE), has lead responsibility for developing guidelines that provide...
|
|
|
TOXICOLOGICAL IMPLICATIONS OF REMEDIATING HAZARDOUS WASTES |
|
Section 121 of the amendments (1986) to the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (SUPERFUND) calls for hazardous waste site remediations tha...
|
|
|
TOXICOLOGICAL REVIEW OF QUINOLINE [AND IRIS SUMMARY] (EXTERNAL REVIEW DRAFT) |
|
Quinoline can be derived from petroleum, coal processing, production and use facilities, and shale oil. It is used as an intermediate in the production of various compounds and pai...
|
|
|
TOXICOLOGY OF METALS. VOLUME II |
|
The report on metal toxicology contains reviews on twenty-three metals. These have been written for inclusion in a Handbook on the Toxicology of Metals: Environmental and Occupatio...
|
|
|
TRACE ELEMENT CHARACTERIZATION OF COAL WASTES. SECOND ANNUAL PROGRESS REPORT, OCTOBER 1, 1976--SEPTEMBER 30, 1977 |
|
Analyses of the trace elements and major minerals in bulk refuse and coal samples from the Illinois Basin were completed. This activity was followed by studies to elucidate the str...
|
|
|
TRACE ELEMENTS IN SOIL AROUND THE FOUR CORNERS POWER PLANT |
|
Ninety-six soil samples were collected on a radial grid employing 16 evenly spaced radii and 5 logarithmically spaced circles, concentric around the Four Corners Power Plant. The s...
|
|
|
TRACE METAL FATE IN A ROTARY KILN INCINERATOR WITH AN IONIZING WET SCRUBBER |
|
A series of pilot-scale incineration tests performed at EPA's Incineration Research Facility (IRF) in Jefferson, Arkansas, to evaluate the fate of trace metals fed to a rotary kiln...
|
|
|
TRACE METAL RETENTION WHEN FIRING HAZARDOUS WASTE IN A FLUIDIZED-BED INCINERATOR |
|
The report describes a bench-scale fluidized-bed incinerator that will capture trace metals on the bed material when firing hazardous waste. The design is based on limited tests at...
|
|
|
TRACE METAL TRANSFORMATION MECHANISMS DURING COAL COMBUSTION |
|
The article reviews mechanisms governing the fate of trace metals during coal combustion and presents new theoretical results that interpret existing data. Emphasis is on predictin...
|
|
|
TRACE METAL TRANSFORMATION MECHANISMS DURING COAL COMBUSTION |
|
The article reviews mechanisms governing the fate of trace metals during coal combustion and presents new theoretical results that interpret existing data. mphasis is on predicting...
|
|
|
TRANSIENT PHENOMENA IN ROTARY KILN INCINERATION |
|
The paper describes results of an ongoing experimental investigation at U.S.EPA into the waste properties and kiln parameters that determine both the instantaneous intensity and th...
|
|
|
TRANSIENT SUPPRESSION PACKAGING FOR REDUCED EMISSIONS FROM ROTARY KILN INCINERATORS |
|
The paper discusses experiments, on a 73 kW roray kiln incinerator simulator, to determine the effect of innovative waste packaging designs on transient emissions of products of in...
|
|
|
TREATMENT OF ARSENIC AND METALS IN GROUND WATER USING A COMPOST-ZVI PRB |
|
A pilot permeable reactive barrier (PRB) consisting of a mixture of leaf compost, zero-valent iron (ZVI), limestone and pea gravel was installed at a former phosphate fertilizer ma...
|
|
|
TREATMENT OF ARSENIC AND METALS IN GROUND WATER USING A COMPOST-ZVI PRB |
|
A pilot permeable reactive barrier (PRB) consisting of a mixture of leaf compost, zero-valent iron (ZVI), limestone and pea gravel was installed at a former phosphate fertilizer ma...
|
|
|
TREATMENT OF ARSENIC AND METALS IN GROUND WATER USING A COMPOST/ZVI PRB |
|
A pilot permeable reactive barrier (PRB) consisting of a mixture of 30% yard waste compost, 20% zero-valent iron (ZVI), 5% limestone and 45% pea gravel by volume was installed at a...
|
|
|
TREATMENT OF CONTAMINATED SOIL WITH PHOSPHORUS AND MANGANESE OXIDE REDUCES LEAD ADSORPTION BY SPRAGUE-DAWLEY RATS |
|
A study was conducted to determine the extent of adsorption of Pb into young rats that were fed Pb contaminated soil treated with two different sources of P and P plus Mn oxide. At...
|
|
|
TREATMENT OF HEAVY METALS IN STORMWATER RUNOFF USING WET POND AND WETLAND MESOCOSMS |
|
Urban stormwater runoff is being recognized as a major source of pollutants to receiving waters and a number of recent investigations have evaluated stormwater runoff quality and b...
|
|
|
TREATMENT OF HEAVY METALS IN STORMWATER RUNOFF USING WET POND AND WETLAND MESOCOSMS |
|
Urban stormwater runoff is being recognized as a major source of pollutants to receiving waters and a number of recent investigations have evaluated stormwater runoff quality and b...
|
|
|
TREATMENT OF PAHS AND PCBS USING SULFATE RADICAL-BASED OXIDATION PROCESSES |
|
Polycyclic aromatic hydrocarbons (PAHs) and polychlorinated biphenyls (PCBs) in aquatic systems pose serious threat to public health due to their toxicity and potential carcinogeni...
|
|
|
TREATMENT OF URBAN STORMWATER FOR DISSOLVED POLLUTANTS: A COMPARATIVE STUDY OF THREE NATURAL ORGANIC MEDIA |
|
The feasibility of using hard and soft wood tree mulch and processed jute fiber, as filter media, for treating mixtures of dissolved pollutants (toxic organic compounds and heavy m...
|
|
|
TREATMENT TECHNOLOGY TO MEET THE INTERIM PRIMARY DRINKING WATER REGULATIONS FOR INORGANICS |
|
The EPA established drinking water regulations for ten inorganic substances and radionuclides that became effective on June 24, 1977. As a result of these regulations, many communi...
|
|
|
TREATMENT TECHNOLOGY TO MEET THE INTERIM PRIMARY DRINKING WATER REGULATIONS FOR INORGANICS, PART 3. CADMIUM, LEAD, AND SILVER |
|
EPA established drinking water regulations for ten inorganic substances and radionuclides that became effective on June 24, 1977. As a result of these new regulations, many communi...
|
|
|
TRENDS IN CATSKILL STREAM WATER QUALITY: EVIDENCE FROM HISTORIC DATA |
|
Historical data for large streams in the Catskill Mountains indicate that acidic deposition has significantly influenced water quality, but that this effect is most observable in e...
|
|
|
TYPES OF INTEGRATION IN RISK ASSESSMENT AND MANAGEMENT, AND WHY THEY ARE NEEDED |
|
Risk-based decision making requires that the decision makers and stakeholders are informed of all risks that are potentially significant and relevant to the decision. The Internati...
|
|
|
Technology Demonstration Summary Shirco Electric Infrared Incineration At The Peak Oil Superfund Site |
|
Under the auspices of the Superfund Innovative Technology Evaluation or SITE Program, a critical assessment is made of the performance of the transportable Shirco Infrared Thermal ...
|
|
|
The Application of Electrochemical and Surface Analysis Approaches to Studying Copper Corrosion in Water: Fundamentals, Limitations, and Examples |
|
Corrosion control is a concern for many drinking water utilities. The Lead and Copper Rule established a regulatory need to maintain a corrosion control program. Other corrosion-...
|
|
|
The Effect of Environmental Chemicals on Human Health -- CJA |
|
Humans and animals have always been exposed to chemicals in our environment - natural products in foods, smoke from cooking fires, sewage in drinking water, pesticides from plants....
|
|
|
The Effect of Phosphate on the Morphological and Spectroscopic Properties of Copper Pipes Experiencing Localized Corrosion |
|
Extensive localized or pitting corrosion of copper pipes used in household drinking-water plumbing can eventually lead to pinhole water leaks that may result in water damage, mold ...
|
|
|
The Enterococcus QPCR Method for Recreational Water Quality Testing: Testing Background, Performance and Issues |
|
Currently accepted culture-based monitoring methods for fecal indicator bacteria in surface waters take at least 24 hr to determine if unacceptable levels of fecal pollution have r...
|
|
|
The Occurrence of Contaminant Accumulation in Lead Pipe Scales from Domestic Drinking Water Distribution Systems-ABSTRACT |
|
Previous work has shown that contaminants such as Al, As and Ra, can accumulate in drinking water distribution system solids. The release of accumulated contaminants back into the ...
|
|
|
Thyroid insufficiency in developing rat brain: A genomic analysis. |
|
Thyroid Insufficiency in the Developing Rat Brain: A Genomic Analysis. JE Royland and ME Gilbert, Neurotox. Div., U.S. EPA, RTP, NC, USA. Endocrine disruption (ED) is an area of ma...
|
|
|
Toward a US National Air Quality Forecast Capability: Current and Planned Capabilities |
|
As mandated by Congress, NOAA is establishing a US national air quality forecast capability. This capability is being built with EPA, to provide air quality forecast information w...
|
|
|
Towards a joint national and state partnership in aquatic resource assessment monitoring survey design |
|
The USEPA is currently conducting national assessments of all aquatic resources in the United States. Prior national assessments were completed for coastal waters and wadeable str...
|
|
|
U.S. ENVIRONMENTAL PROTECTION AGENCY'S COMPUTATIONAL TOXCIOLOGY PROGRAM - METABOLISM AND METABONOMICS |
|
The mission of the U. S. Environmental Protection Agency (EPA) is to safeguard public health and the environment from adverse effects that may be caused by exposure to pollutants i...
|
|
|
U.S. EPA WORKSHOP ON MONITORED NATURAL ATTENUATION FOR INORGANIC CONTAMINANTS |
|
The Office of Research and Development (ORD) has developed a one-day seminar to present an overview of site characterization approaches to support evaluation of the potential for M...
|
|
|
U.S. EPA WORKSHOP ON MONITORED NATURAL ATTENUATION FOR INORGANIC CONTAMINANTS, 07/31/2007 |
|
The Office of Research and Development (ORD) has developed a one-day seminar to present an overview of site characterization approaches to support evaluation of the potential for M...
|
|
|
U.S. EPA'S 2008 REPORT ON THE ENVIRONMENT (FINAL REPORT) |
|
The Environmental Protection Agency's 2008 Report on the Environment, also referred to as the EPA 2008 ROE, provides the American people with an important resource from which they ...
|
|
|
U.S.-MEXICO BORDER PROGRAM ARIZONA BORDER STUDY--STANDARD OPERATING PROCEDURE FOR VERIFICATION AND TRANSFER OF DATA TO UNIVERSITY OF ARIZONA (BCO-G-3.1) |
|
The purpose of this SOP is to describe the process of entering analytical results into the analytical results database. The database consists of separate modules for each contamin...
|
|
|
ULTIMATE DISPOSAL OF BEEF FEEDLOT WASTES ONTO LAND |
|
A study was conducted to determine the effects of beef feedlot manure application rate on corn forage yield, properties of soil, and quality of surface runoff from irrigation and p...
|
|
|
ULTRAFINE ASH AEROSOLS FROM COAL COMBUSTION: CHARACTERIZATION AND HEALTH EFFECTS |
|
Ultrafine coal fly ash particles, defined here as those with diameters less than 0.5 micrometer, typically comprise less than 1% of the total fly ash mass. These particles are form...
|
|
|
ULTRASTRUCTURED AND X-RAY MICROANAYLSIS OF MACROPHAGES EXPOSED TO NON-CRITERIA POLLUTANTS, WITH EMPHASIS ON CERTAIN METALS |
|
Rabbit alveolar macrophages (RAMs) and cultured Chinese hamster ovary cells (CHOs) were exposed in vitro to the noncriteria pollutants manganese, cadmium, vanadium, nickel, lead, c...
|
|
|
UNCERTAINTY AND SENSITIVITY ANALYSES FOR INTEGRATED HUMAN HEALTH AND ECOLOGICAL RISK ASSESSMENT OF HAZARDOUS WASTE DISPOSAL |
|
While there is a high potential for exposure of humans and ecosystems to chemicals released from hazardous waste sites, the degree to which this potential is realized is often unce...
|
|
|
UNCERTAINTY IN MODEL PREDICTIONS-PLAUSIBLE OUTCOMES FROM ESTIMATES OF INPUT RANGES |
|
Models are commonly used to predict the future extent of contamination given estimates of hydraulic conductivity, porosity, hydraulic gradient, biodegradation rate, and other param...
|
|
|
UNCERTAINTY IN MODEL PREDICTIONS-PLAUSIBLE OUTCOMES FROM ESTIMATES OF INPUT RANGES |
|
Models are commonly used to predict the future extent of contamination given estimates of hydraulic conductivity, porosity, hydraulic gradient, biodegradation rate, and other param...
|
|
|
UNCERTAINTY IN SOURCE PARTITIONING USING STABLE ISOTOPES |
|
Stable isotope analyses are often used to quantify the contribution of multiple sources to a mixture, such as proportions of food sources in an animal's diet, C3 vs. C4 plant input...
|
|
|
UNSOLVED PROBLEMS WITH CORROSION AND DISTRIBUTION SYSTEM INORGANICS |
|
This presentation provides an overview of new research results and remaining research needs with respect to both corrosion control issues (lead, copper, iron) and to issues of inor...
|
|
|
UNSOLVED PROBLEMS WITH CORROSION AND DISTRIBUTION SYSTEM INORGANICS |
|
This presentation provides an overview of new research results and remaining research needs with respect to both corrosion control issues (lead, copper, iron) and to issues of inor...
|
|
|
UPPER GREAT LAKES CONNECTING CHANNELS STUDY: DETROIT RIVER SYSTEM MASS BALANCE (UGLCCS ACTIVITIES C.1 AND F.4) |
|
The report describes results of a study of water quality budgets in the Lake St. Clair - Detroit River system. In two water quality surveys profiles of contaminants and other chemi...
|
|
|
UPPER-BOUND QUANTITATIVE CANCER RISK ESTIMATES FOR POPULATION ADJACENT TO SULFUR MUSTARD INCINERATION FACILITIES |
|
This document characterizes the potential cancer hazard to populations residing near sulfur mustard incineration facilities while the incineration is taking place. he carcinogenici...
|
|
|
UPTAKE OF INORGANIC LEAD IN VITRO BY ISOLATED MITOCHONDRIA AND TISSUE SLICES OF RAT RENAL CORTEX |
|
Slices of rat renal cortex were shown to take up Pb2+ during incubation in vitro; Pb2+ was also shown to enter mitochondria within the slices. The uptake of Pb2+ by isolated mitoch...
|
|
|
URBAN SOIL LEAD ABATEMENT DEMONSTRATION PROJECT - VOLUME I. U.S. EPA INTEGRATED REPORT |
|
NO ABSTRACT PROVIDED...
|
|
|
URBAN SOIL LEAD ABATEMENT DEMONSTRATION PROJECT - VOLUME II. BOSTON REPORT, PARTS 1 & 2 |
|
NO ABSTRACT PROVIDED...
|
|
|
URBAN SOIL LEAD ABATEMENT DEMONSTRATION PROJECT - VOLUME III. BALTIMORE REPORT, PARTS 1 & 2 |
|
NO ABSTRACT PROVIDED...
|
|
|
URBAN SOIL LEAD ABATEMENT DEMONSTRATION PROJECT - VOLUME IV. CINCINNATI REPORT |
|
NO ABSTRACT PROVIDED...
|
|
|
URBAN SOIL LEAD ABATEMENT DEMONSTRATION PROJECT: VOLUME I, U.S. EPA INTEGRATED REPORT |
|
The Urban Soil Lead Abatement Demonstration Project (USLADP), known also as the A Three City Lead Study,was authorized in 1986 under Section 111(b)(6) of the Superfund Amendments a...
|
|
|
USE AND NUTRITIONAL VALUE OF 'ARTEMIA' AS A FOOD SOURCE |
|
The article summarizes the different applications that have been made of Artemia as a food source. The different forms being used, factors determining nutritional value, biochemica...
|
|
|
USE OF AGRICULTURAL PESTICIDES AND LUNG CANCER RISK IN THE AGRICULTURAL HEALTH STUDY COHORT |
|
We examined the relationship between 45 common agricultural pesticides and lung cancer incidence in a prospective cohort study of 52,395 private pesticide applicators, 4,916 comm...
|
|
|
USE OF DISCUSSION GROUPS TO INVESTIGATE RECRUITMENT AND RETENTION ISSUES FOR THE NATIONAL CHILDREN'S STUDY |
|
Use of Discussion Groups to Investigate Recruitment and Retention Issues for a Longitudinal Study of Children's Environmental Health
DT Lobdell*, S Gutter+, P Mendola* (*US EPA,...
|
|
|
USE OF METAL- AND FLUORESCEIN-TAGGED MATERIALS TO STUDY SETTLED PARTICLES EXPOSURE PATHWAYS |
|
Through the use of ten size ranges of tagged materials (Antley et. al., 2000a), inductively coupled plasma- mass spectrometry (ICP-MS) and flourometry are being used to study the...
|
|
|
USE OF RELAXED EDDY ACCUMULATION TO MEASURE BIOSPHERE-ATMOSPHERE EXCHANGE OF ISOPRENE AND OTHER BIOLOGICAL TRACE GASES |
|
The micrometeorological flux measurement technique known as relaxed eddy accumulation (REA) holds promise as a powerful new tool for ecologists. The more popular eddy covariance (e...
|
|
|
USE OF ROUGH SETS AND SPECTRAL DATA FOR BUILDING PREDICTIVE MODELS OF REACTION RATE CONSTANTS |
|
A model for predicting the log of the rate constants for alkaline hydrolysis of organic esters has been developed with the use of gas-phase min-infrared library spectra and a rule-...
|
|
|
USE OF SEDIMENT CORES TO ESTABLISH REFERENCE CONDITIONS |
|
In order to assess the degree to which integrity of waterbodies have been degraded, comparisons are made to "reference" conditions. Finding systems with similar ecological compone...
|
|
|
USE OF SYNTHETIC ZEOLITES FOR ARSENATE REMOVAL FROM POLLUTANT WATER |
|
Arsenic is known to be a hazardous contaminant in drinking water that causes arsenical dermatitis and skin cancer. In the present work, the potential use of a variety of synthetic...
|
|
|
USE OF THE FUNGICIDE CARBENDAZIM AS A MODEL COMPOUND TO DETERMINE THE IMPACT OF ACUTE CHEMICAL EXPOSURE DURING OOCYTE MATURATION AND FERTILIZATION ON PREGNANCY OUTCOME IN THE HAMSTER |
|
Here we use a hamster animal model to identify early pregnancy loss due to an acute chemical exposure to the female during the perifertilization interval. The fungicide carbendazim...
|
|
|
USE OF WATERSHED CLASSIFICATION IN MONITORING FRAMEWORKS FOR THE WESTERN LAKE SUPERIOR BASIS |
|
In this case study we predicted stream sensitivity to nonpoint source pollution based on the nonlinear responses of hydrologic regimes and associated loadings of nonpoint source po...
|
|
|
USE OF WILDLIFE MORTALITY DATA TO QUALIFY RISKS TO POPULATIONS ACROSS SPACE AND TIME |
|
Common loon (Gavia immer) populations have declined from historic levels in New England and despite recent range-wide increases; mortality has increased in some areas. To identify...
|
|
|
USE OF ZEOLITE FOR REMOVING AMMONIA AND AMMONIA-CAUSED TOXCITY IN MARINE TOXICITY IDENTIFCATION EVALUATIONS (TIES) |
|
Ammonia occurs in marine waters including effluents,
receiving waters, and sediment interstitial waters. At sufficiently
high concentrations, ammonia can be toxic to aquatic spec...
|
|
|
USEPA (UNITED STATES ENVIRONMENTAL PROTECTION AGENCY) METHOD STUDY 7. ANALYSES FOR TRACE ELEMENTS IN WATER BY ATOMIC ABSORPTION SPECTROSCOPY (DIRECT ASPIRATION) AND COLORIMETRY |
|
The report describes a study of ten elements: aluminum, arsenic, cadmium, chromium, copper, iron, lead, manganese, selenium and zinc, at trace levels in water. Six sample concentra...
|
|
|
USEPA LEAD AND COPPER CORROSION DS RESEARCH AND LCR REGULATORY UPDATE (AWWA WQTC 2006) |
|
The USEPA is actively addressing lead and copper research needs which continue to develop. The objective of the presentation is to summarize current EPA lead and copper research ef...
|
|
|
USING CLASSIFICATION CONSISTENCY IN INTER-SCENE OVERLAP AREAS TO MODEL SPATIAL VARIATIONS IN LAND-COVER ACCURACY OVER LARGE GEOGRAPHIC REGIONS |
|
During the last decade, a number of initiatives have been undertaken to create systematic national and global data sets of processed satellite imagery. An important application of ...
|
|
|
USING GREEN CHEMISTRY FROM THE ONSET TO IMPROVE AND AID PROCESS DEVELOPMENT |
|
The twelve principles of green chemistry provide a foundation and pathway which allows researchers to incorporate greenness into existing reactions or when developing new technol...
|
|
|
USING LIFE CYCLE ASSESSMENT TOOLS FOR INTEGRATED PRODUCT POLICY |
|
There is a growing awareness that a single issue approach to an environmental problem may not lead to an effective long-term strategy. Instead, governments and industries around th...
|
|
|
USING LIFE CYCLE ASSESSMENT TOOLS FOR INTEGRATED PRODUCT POLICY |
|
The European Union's new Integrated Product Policy directs governments and companies to consider the entire product life cycle, from cradle to grave, in their environmental decisio...
|
|
|
UTILITY OF SYNTHETIC ZEOLITES IN REMOVAL OF INORGANIC AND ORGANIC WATER POLLUTANTS |
|
Zeolites are well known for their ion exchange and adsorption properties. Different inorganic and organic pollutants have been removed from water at room temperature using various ...
|
|
|
UTILITY OF THREE TYPES OF MASS SPECTROMETERS FOR DETERMINING ELEMENTAL COMPOSITIONS OF IONS FORMED FROM CHROMATOGRAPHICALLY SEPARATED COMPOUNDS |
|
Sponsor Referee: Douglas F. Barofsky, Oregon State University Concentration factors of 1000 and more reveal dozens of compounds in extracts of water supplies. Library mass spectra ...
|
|
|
UTILITY OF ZEOLITES IN HAZARDOUS METAL REMOVAL FROM WATER |
|
Zeolites are well known for their ion exchange, adsorption and acid catalysis properties. Different inorganic pollutants have been removed from water at room temperature by using s...
|
|
|
UTILITY OF ZEOLITES IN REMOVAL OF INORGANIC AND ORGANIC WATER POLLUTANTS |
|
Zeolites are well known for their ion exchange, adsorption and acid catalysis properties. Different inorganic and organic pollutants have been removed from water at room temperatur...
|
|
|
UTILIZATION OF BACTERIA TO REMEDIATE CONTAMINATED SOILS AND SEDIMENTS IN THE US: LASAGNA AND OTHER TREATMENTS |
|
This is an overview of the work underway at USEPA/ORD/NRMRL's Center Hill Microbiology Laboratory on bioremediation of contaminated soils and sediments. The Laboratory has isolated...
|
|
|
UTILIZATION OF THE RABBIT ALVEOLAR MACROPHAGE AND CHINESE HAMSTER OVARY CELL FOR EVALUATION OF THE TOXICITY OF PARTICULATE MATERIALS. 1. MODEL COMPOUNDS AND METAL-COATED FLY ASH |
|
Data are presented which detail the effects of model particulate compounds and fly ash particles on rabbit alveolar macrophage (RAM) and Chinese hamster ovary (CHO) cells. Silica, ...
|
|
|
Updates on the EPA Study of Lead Scavengers (EDB and DCA) |
|
In response to continued concerns about the concentrations of 1,2-dibromoethane (EDB) in ground water from spills of leaded gasoline, OUST formed a Lead Scavengers Team with assist...
|
|
|
VANADIUM CHEMISTRY ESSENTIALS FOR TREATMENT STUDIES |
|
The importance of vanadium occurrence and treatment in drinking water has been elevated by its inclusion in the Contaminant Candidate List. Though it is still too early to know the...
|
|
|
VISUAL FUNCTION CHANGES AFTER SUBCHRONIC TOLUENE INHALATION IN LONG-EVANS RATS. |
|
Chronic exposure to volatile organic compounds, including toluene, has been associated with visual deficits such as reduced visual contrast sensitivity or impaired color discrimina...
|
|
|
VISUALIZATION OF TISSUE DISTRIBUTION AND METABOLISM OF BENZO[A]PYRENE IN EARLY EMBRYONIC MEDAKA (ORYZIAS LATIPES) |
|
Fish early life stages are highly sensitive to exposure to persistent bioaccumulative toxicants (PBTs). The factors that contribute to this are unknown, but may include the distri...
|
|
|
VITRIFICATION OF MUNICIPAL SOLID WASTE COMBUSTION AIR POLLUTION CONTROL RESIDUES USING CORNING, INC. PROCESS |
|
A demonstration was conducted to vitrify municipal solid waste (MSW) combustor air pollution control residue (APC) under the USEPA Municipal Waste Innovative Technology Evaluation ...
|
|
|
VOLATILIZATION RATES FROM WATER TO INDOOR AIR PHASE II |
|
Contaminated water can lead to volatilization of chemicals to residential indoor air. Previous research has focused on only one source (shower stalls) and has been limited to chemi...
|
|
|
WASTE ANALYSIS, SAMPLING, TESTING AND EVALUATION PROGRAM: EFFECT OF LEAD AND CADMIUM SPIKING OF MUNICIPAL SOLID WASTE ON THE CHARACTERISTICS OF MWS INCINERATOR RESIDUES |
|
In June of 1991, the Waste Analysis, Sampling, Testing and Evaluation (WASTE) Program was initiated to identify the major source(s) of trace metals in the feed stream of a municipa...
|
|
|
WASTE MINIMIZATION ASSESSMENT FOR A MANUFACTURER OF PROTOTYPE PRINTED CIRCUIT BOARDS |
|
The U.S. Environmental Protection Agency (EPA) has funded a pilot project to assist small- and medium-size manufacturers who want to minimize their generation of hazardous waste bu...
|
|
|
WASTE MINIMIZATION OPPORTUNITY ASSESSMENT: OPTICAL FABRICATION LABORATORY - FITZSIMMONS ARMY MEDICAL CENTER |
|
Under the Waste Reduction Evaluations at Federal Sites (WREAFS) program, RREL has taken the initiative to merge the experience and resources of the EPA with other Federal agencies....
|
|
|
WASTE MINIMIZATION OPPORTUNITY ASSESSMENT: OPTICAL FABRICATION LABORATORY - FITZSIMMONS ARMY MEDICAL CENTER |
|
Under the Waste Reduction Evaluations at Federal Sites (WREAFS) program, RREL has taken the initiative to merge the experience and resources of the EPA with other Federal agencies....
|
|
|
WASTE REDUCTION TECHNOLOGY EVALUATIONS AT THREE PRINTED WIRE BOARD MANUFACTURERS |
|
Technologies at three printed wire board (PWB) manufacturers were evaluated for waste reduction, and costs were compared to existing operations. rom 1989 to 1993, these evaluations...
|
|
|
WATER QUALITY AND TREATMENT CONSIDERATIONS FOR CEMENT-LINED AND A-C PIPE |
|
Both cement mortar lined (CML) and asbestos-cement pipes (A-C) are widely used in many water systems. Cement linings are also commonly applied in-situ after pipe cleaning, usually ...
|
|
|
WATERSHED MANIPULATION PROJECT: FIELD IMPLEMENTATION PLAN FOR 1990-1992 |
|
The Bear Brook watershed in Maine (BBWM) was established in 1986 at Lead Mountain, Maine as part of the Environmental Protection Agency's (EPA) watershed Manipulation Project (WPM)...
|
|
|
WATERSHEED NUTRIENT INPUTS, PHYTOPLANKTON ACCUMULATION, AND C STOCKS IN CHESAPEAKE BAY |
|
Inputs of N and P to Chesapeake Bay have been enhanced by anthropogenic activities. Fertilizers, developed areas, N emissions, and industrial effluents contribute to point and diff...
|
|
|
WAVELENGTH AND ALIGNMENT TESTS FOR CONFOCAL SPECTRAL IMAGING SYSTEMS |
|
Confocal spectral imaging (CSI) microscope systems now on the market delineate multiple fluorescent proteins, labels, or dyes within biological specimens by performing spectral cha...
|
|
|
WESTERN AIRBORNE CONTAMINANTS ASSESSMENT PROJECT (WACAP): ASSESSING DEPOSITION AND IMPACTS OF PERSISTENT ORGANIC POLLUTANTS AND METALS IN SEVEN NATIONAL PARKS IN THE WESTERN UNITED STATES |
|
Airborne contaminants, especially those that biomagnify in the food chain, can pose serious health threats to wildlife and humans. Biological effects of airborne contaminants incl...
|
|
|
WESTERN ECOLOGY DIVISION RESEARCH UPDATE - NOVEMBER 2003 |
|
This is a science newsletter with lead article, research "snapshots," and recent publications...
|
|
|
WHAT IS A POPULATION? |
|
The word "population" has several meanings, a situation that can lead to confusion in risk assessments. A management goal "to protect wildlife populations," for example, might rela...
|
|
|
WHEN ISOTOPES AREN'T ENOUGH: USING ADDITIONAL INFORMATION TO CONSTRAIN MIXING PROBLEMS |
|
Stable isotopes are often used as chemical tracers to determine the relative contributions of sources to a mixture. Ecological examples include partitioning pollution sources to a...
|
|
|
WORKSHOP ON THE QUALITATIVE AND QUANTITATIVE COMPARABILITY OF HUMAN AND ANIMAL DEVELOPMENTAL NEUROTOXICITY, WORK GROUP I REPORT: COMPARABILITY OF MEASURES OF DEVELOPMENTAL NEUROTOXICITY IN HUMANS AND LABORATORY ANIMALS |
|
Assessment measures used in developmental neurotoxicology are reviewed for their comparability in humans and laboratory animals, and their ability to detect comparable, adverse eff...
|
|
|
WORKSHOP REPORT: IDENTIFICATION OF PERFORMANCE PARAMETERS FOR PORTABLE X-RAY FLUORESCENCE MEASUREMENT OF LEAD IN PAINT |
|
The U.S. Environmental Protection Agency sponsored a 1 1/2 day workshop to review the current status of portable XRF technology. he goal of the workshop was to identify problems an...
|
|
|
WORKSHOP REPORT: IDENTIFICATION OF PERFORMANCE PARAMETERS FOR TEST KIT MEASUREMENT OF LEAD IN PAINT |
|
The U.S. Environmental Protection Agency sponsored a 1 1/2 day workshop to review the status of chemical test kit technology designed for testing lead (Pb) in solids. he goals of t...
|
|
|
Waste Minimization Assessment for Multilayered Printed Circuit Board Manufacturing |
|
The U.S. Environmental Protection Agency (EPA) has funded a pilot project to assist small- and medium- size manu facturers who want to minimize their generation of hazardous waste ...
|
|
|
Workshop on Monitored Natural Attenuation for Inorganic Contaminants: 1 – Introduction, MNA Processes and Characterization |
|
The purpose of this training is to present an overview of site characterization approaches to support evaluation of the potential for Monitored Natural Attenuation (MNA) as a remed...
|
|
|
X-RAY ANALYSIS OF AIRBORNE ASBESTOS. FINAL REPORT: DESIGN AND CONSTRUCTION OF A PROTOTYPE ASBESTOS ANALYZER |
|
A prototype asbestos analyzer has been designed and constructed for use by the Environmental Protection Agency. It incorporates the principle of broad-beam x-ray optics and the spe...
|
|
|
X-RAY DIFFRACTION PHASE ANALYSIS OF PROCESS AND POLLUTION CONTROL DEVICE SAMPLES |
|
The paper describes the application of x-ray diffraction (XRD) analysis to several samples which show the information available from the technique. X-ray fluorescence (XRF) spectro...
|
|
|
X-RAY FLUORESCENCE SURVEY OF LEAD CONTAMINATED RESIDENTIAL SOILS IN LEADVILLE, COLORADO: A CASE STUDY |
|
Continuing concern over the adverse impacts to human health due to exposure to lead has prompted characterization efforts at numerous sites across the United States. ne of the prim...
|
|
|
XY ANEUPLOIDY IN SPERM OF MEN EXPOSED TO DIBROMOCHLOROPROPANE (DBCP) AS SCHOOL CHILDREN |
|
DBCP is a potent testicular toxicant that was used as a pesticide in the late 1970s. Adult exposure is associated with testicular atrophy, poor semen quality, infertility, and dist...
|
|
|
ZEOLITES: EFFECTIVE WATER PURIFIERS |
|
Zeolites are known for their adsorption, ion exchange and catalytic properties. Various natural zeolites are used as odor and moisture adsorbents and water softeners. Due to their ...
|
|
|
ZN2+-INDUCED IL-8 EXPRESSION INVOLVES AP-1, JNK, AND ERK ACTIVITIES IN HUMAN AIRWAY EPITHELIAL CELLS |
|
Exposure to zinc-laden particulate matter (PM) in ambient and occupational
settings has been associated with proinflammatory responses in the lung.
IL-8 is an important proinfl...
|
|
