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ARSENIC IN DRINKING WATER SUPPLY WELLS: A MULTI-AGENCY, COMMUNITY-BASED, RESEARCH PROJECT |
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Studies have indicated that arsenic concentrations greater than the new U.S. Environmental Protection Agency (EPA) maximum contaminant level (MCL) concentration of 10 micrograms pe...
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GROUND WATER ARSENIC AND METALS TREATMENT USING A COMBINATION COMPOST-ZVI PRB |
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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...
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TREATMENT OF METALS IN GROUND WATER USING AN ORGANIC-BASED SULFATE-REDUCING PERMEABLE REACTIVE BARRIER |
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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...
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"THE DYNAMICS OF ARSENIC IN SATURATED POROUS MEDIA: FATE AND TRANSPORT MODELING FOR DEEP-WATER SEDIMENTS, WETLAND SEDIMENTS, AND GROUNDWATER ENVIRONMENTS," WATER ROCK INTERACTIONS, ORE DEPOSITS, AND ENVIRONMENTAL GEOCHEMISTRY: A TRIBUTE TO DAVID CRERAR. (R827288) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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(18)OS04 AND (18)OH20 AS PROSPECTIVE INDICATORS OF ELEVATED ARSENIC IN THE GOOSE RIVER GROUND-WATERSHED, MAINE |
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Anomalous geogenic arsenic occurs in drinking water from the Goose River crystalline ground-watershed in mid-coastal Maine. Isotope investigations were useful in understanding rele...
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2002 SMALL SYSTEM RESEARCH |
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As research on smaller treatment devices grows, interest is also growing on how POU/POE can fit into a utility's overall strategy of providing safe and affordable water to customer...
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7TH JAPAN - U.S. CONFERENCE ON DRINKING WATER QUALITY MANAGEMENT AND WASTEWATER CONTROL |
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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...
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A COMPARISON OF AUTOMATED AND TRADITIONAL METHODS FOR THE EXTRACTION OF ARSENICALS FROM FISH |
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An automated extractor employing accelerated solvent extraction (ASE) has been compared with a traditional sonication method of extraction for the extraction of arsenicals from fis...
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A COMPARISON OF EXTRACTION EFFICIENCIES IN SEAFOOD MATRICES USING A SYNTHETIC STOMACH AND AN ACCELERATED SOLVENT EXTRACTION APPROACH WITH IC-ICP-MS DETECTION |
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Seafood is one of the largest sources of dietary arsenic exposure. Because most of the arsenic present is non-toxic (such as arsenobetaine [AsB]), the consumption of seafood is th...
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A COMPARISON OF URINARY ARSENIC SPECIATION VIA DIRECT NEBULIZATION AND ON-LINE PHOTOOXIDATION-HYDRIDE GENERATION WITH DETECTION BY INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY |
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Arsenic speciation continues to be important in assessing human and environmental exposure risk. Urinary arsenic analysis provides information on recent arsenic exposure. In this s...
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A CONCISE REVIEW OF THE TOXICITY AND CARCINOGENICITY OF DIMETHYLARSINIC ACID |
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Dimethylarsinic acid (DMA) has been used as an herbicide (cacodylic acid) and is the major metabolite formed after exposure to tri- (arsenite) or pentavalent (arsenate) inorganic a...
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A DOUBLE KNOCKOUT; A NOVEL APPROACH TO UNDERSTANDING STRESS-INDUCIBLE 70 KDA HEAT SHOCK PROTEINS (HSP70S) ON DEVELOPMENT AND REPRODUCTION |
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Heat and chemical toxicants which disrupt spermatogenesis and cause male infertility are thought to induce the expression of Hsp70-1 and 70-3, the major inducible heat shock protei...
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A GREENER BUTTE! REVEGETATION THROUGH IRRIGATION USING TREATED MINE WATER FROM THE BELMONT MINE'S FLOODED UNDERGROUND WORKINGS |
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Historic mining activities in Butte, Montana have degraded much of the local landscape and vegetation. During the last 5 years, mine tailings located near the Belmont Mine have bee...
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A MASS BALANCE APPROACH TO DETERMINE ARSENIC ABSORPTION RATES FROM CONTAMINATED WATER BY RICE DURING THE FOOD PREPARATION PROCESS |
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Rice represents a unique set of arsenic exposure assessment challenges in that it does contain a relatively high concentration of arsenic and it does absorb about 100% of its dry w...
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A NOVEL PNYSIOLOGICALLY BASED PHARMACOKINETIC (PBPK) MODEL FOR DIMETHYLARSINIC ACID (DMA): THE LUNG AS A STORAGE COMPARTMENT |
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A NOVEL PHYSIOLOGICALLY-BASED PHARMACOKINETIC (PBPK) MODEL FOR DIMETHYLARSINIC ACID (DMA): THE LUNG AS A STORAGE COMPARTMENT. Evans, M.V., Hughes, M.F., and Kenyon, E.M. USEPA, O...
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A NOVEL S-ADENOSYL-L-METHIONINE: ARSENIC (III) METHYLTRANSFERASE FROM RAT LIVER CYTOSOL |
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A Novel S-Adenosyl-L-methionine: Arsenic(III) Methyltransferase from Rat Liver Cytosol
Shan Lin, Qing Shi, F. Brent Nix, Miroslav Styblo, Melinda A. Beck, Karen M. Herbin-Davis,...
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A NOVEL S-ADENOSYL-L-METHIONINE: ARSENIC(III) METHYLTRANSFERASE FROM RAT LIVER CYTOSOL. (R826136) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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A PHARMACOKINETIC MODEL FOR ARSENIC METABOLISM IN PRIMARY RAT HEPATOCYTES |
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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....
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A PHARMACOKINETIC MODEL FOR ARSENIC METABOLISM IN PRIMARY RAT HEPATOCYTES. (R826136) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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A PHYSIOLOGICALLY BASED PHARMACOKINETIC (PBPK) MODEL FOR THE PESTICIDE MONOMETHYLARSONIC ACID (MMA) |
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The monosodium salt of monomethylarsonic acid [MMA(V)] is a widely used organoarsenical herbicide. In lifetime feeding studies with MMA(V), the large intestine (focal muscosal ulc...
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A PROBABILISTIC ARSENIC EXPOSURE ASSESSMENT FOR CHILDREN WHO CONTACT CAA - TREATED PLAYSETS AND DECKS: PART 1. MODEL METHODOLOGY, VARIABILITY RESULTS, AND MODEL EVALUATION |
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Concerns have been raised regarding the safety of young children who may contact arsenic residues while playing on and around chromated copper arsenate (CCA)-treated wood playsets ...
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A PROBABILISTIC ARSENIC EXPOSURE ASSESSMENT FOR CHILDREN WHO CONTACT CHROMATED COPPER ARSENATE ( CAA )-TREATED PLAYSETS AND DECKS: PART 2 SENSITIVITY AND UNCERTAINTY ANALYSIS |
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A probabilistic model (SHEDS-Wood) was developed to examine children's exposure and dose to chromated copper arsenate (CCA)-treated wood, as described in Part 1 of this two part pa...
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A PROBABILISTIC EXPOSURE ASSESSMENT FOR CHILDREN WHO CONTACT CCA-TREATED PLAYSETS AND DECKS USING THE STOCHASTIC HUMAN EXPOSURE AND DOSE SIMULATION (SHEDS) MODEL FOR THE WOOD PRESERVATIVE EXPOSURE SCENARIO |
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The U.S. Environmental Protection Agency has conducted a probabilistic exposure and dose assessment on the arsenic (As) and chromium (Cr) components of Chromated Copper Arsenate (C...
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A Pyoverdin Siderophore Produced By Pseudomonas aeruginosa CHL-004 Binds Lead And Other Heavy Metals |
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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...
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A Pyoverdin Siderophore Produced By Pseudomonas aeruginosa CHL-004 Binds Lead And Other Heavy Metals - (Poster) |
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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...
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A RISK-ASSESSMENT OF LANDFILL DISPOSAL OF WTP-GENERATED ABRS USING THE INTEGRATED MULTIMEDIA MODELING SYSTEM 3MRA 1.X |
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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....
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A STUDY OF THE INTERCONVERSION OF METHYLATED ARSENIC OXIDES TO METHYLATED ARSENIC SULFIDES IN SOLUTIONS CONTAINING FREE SULFIDE |
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Evidence suggests that thiolated arsenicals are urinary metabolites in both humans and rats. These thiolated species may be formed in the digestive system or as metabolites within...
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ABR: TYPES, VOLUMES, GEOGRAPHICAL DISTRIBUTION AND DISPOSAL |
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The presentation provides information on the residual produced by arsenic removal drinking water treatment processes. Although the presentation discussed mainly the residuals from ...
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ACCELERATED SOLVENT EXTRACTION OF ARSENICALS FROM ENVIRONMENTAL MATRICES WITH ION CHROMATOGRAPHY SEPARATION AND ICP-MS DETECTION |
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The two major sources of arsenic exposure used in an arsenic risk assessment are water and diet. The extraction, separation and quantification of individual arsenic species from di...
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ACCELERATED SOLVENT EXTRACTION OF ARSENICALS FROM SEAFOOD MATRICES WITH ION CHROMATOGRAPHY AND ICP-MS DETECTION |
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The two major sources of arsenic exposure are water and diet. Dietary exposure is considerably more difficult to assess because of the diversity of arsenicals present in dietary ma...
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ACCUMULATION AND METABOLISM OF ARSENIC IN MICE AFTER REPEATED ADMINISTRATION OF ARSENATE |
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Accumulation and metabolism of arsenic in mice after repeated oral administration of arsenate, Hughes, M. F., Kenyon, E. M., Edwards, B. C., Mitchell, C. T., Del Razo, L. M., and T...
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ACCUMULATION OF ARSENIC IN DRINKING WATER DISTRIBUTION SYSTEMS |
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The tendency for iron solid surfaces to adsorb arsenic is well known and has become the basis for several drinking water treatment approaches that remove arsenic. It is reasonable ...
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ACCUMULATION OF CONTAMINANTS IN THE DISTRIBUTION SYSTEM |
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Removal of arsenic from water using iron-related processes including coagulation with iron salts, iron removal with oxidation/filtration, and specific iron resins is established. T...
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ACTIVATION OF AP-1 IN UROTSA CELLS BY METHYLATED ARSENICALS |
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ACTIVATION OF AP-1 IN UROTSA CELLS BY METHYLATED TRIVALENT ARSENICALS. Z Drobna1, I Jaspers2, D J Thomas3 and M Styblo1. 1Department of Pediatrics; 2Center for Environmental Medici...
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ACTIVE AND SEMI-PASSIVE LIME TREATMENT OF ACID MINE DRAINAGE AT LEVIATHAN MINE, CALIFORNIA BULLETIN |
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As part of the Superfund Innovative Technology Evaluation (SITE) program, U.S. Environmental Protection Agency (EPA) National Risk Management Research Laboratory (NRMRL), in cooper...
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ACTIVE AND SEMI-PASSIVE LIME TREATMENT OF ACID MINE DRAINAGE AT LEVIATHAN MINE, CALIFORNIA CAPSULE |
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As part of the Superfund Innovative Technology Evaluation (SITE) program, U.S. Environmental Protection Agency (EPA), National Risk Management Research Laboratory (NRMRL), in coope...
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ACTIVE AND SEMI-PASSIVE LIME TREATMENT OF ACID MINE DRAINAGE AT LEVIATHAN MINE, CALIFORNIA ITER |
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As part of the Superfund Innovative Tecbnology Evaluation (SITE) program, U.S. Environmental Protection Agency (EPA), National Risk Management Research Laboratory (NRMRL), in coope...
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ACUTE AND CHRONIC EFFECTS OF HEAVY METALS AND CYANIDE ON 'MYSIDOPSIS BAHIA' (CRUSTACEA:MYSIDACEA) |
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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...
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ACUTE AND CHRONIC EFFECTS OF WATER QUALITY CRITERIA BASED METAL MIXTURES ON THREE AQUATIC SPECIES |
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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...
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ACUTE PULMONARY TOXICITY OF PARTICULATE MATTER (PM) FILTER EXTRACTS IN RATS: COHERENCE WITH EPIDEMIOLOGICAL STUDIES IN UTAH VALLEY RESIDENTS |
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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...
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ADSORPTION MEDIA FOR ARSENIC REMOVAL |
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Presentation will discuss the use of adsorptive media for the removal of arsenic from drinking water. Presentation is a fundamental discussion on the use of adsorptive media for a...
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ADSORPTION TECHNOLOGIES |
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A 45 minute PPT presentation will be given at three training courses sponsored by the OGWDW, OW, USEPA. Courses are being held at Phoenix, AZ on April 25; Sacramento, CA on April ...
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ADSORPTION TECHNOLOGIES - EVERETT, WA |
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The presentation provides an overview of adsorptive media technology for the removal of arsenic from drinking water. The presentation is divided into four topics: Technology, Appli...
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ADSORPTION TECHNOLOGIES - GREEN BAY |
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The presentation provides an overview of adsorptive media technology for the removal of arsenic from drinking water. The presentation is divided into four topics: Technology, App...
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ADSORPTION TECHNOLOGIES - GREEN BAY, WI |
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The presentation provides an overview of adsorptive media technology for the removal of arsenic from drinking water. The presentation is divided into four topics: Technology, Appli...
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ADSORPTION TECHNOLOGIES - LAPEER, MI |
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The presentation provides an overview of adsorptive media technology for the removal of arsenic from drinking water. The presentation is divided into four topics: Technology, Appli...
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ADSORPTION TECHNOLOGIES - REDLAND, CA |
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The presentation provides an overview of adsorptive media technology for the removal of arsenic from drinking water. The presentation is divided into four topics: Technology, Appl...
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ADSORPTION TECHNOLOGIES FOR ARSENIC REMOVAL |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Many groundwaters that have arsenic in their source wat...
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ADSORPTION, DESORPTION AND OXIDATION OF ARSENIC AFFECTED BY CLAY MINERALS AND AGING PROCESS |
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Adsorption/desorption and oxidation/reduction of arsenic at clay surfaces are very important to the natural attenuation of arsenic in the subsurface environment. Although numerous...
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ADSORPTIVE MEDIA - DEMONSTRATION PROJECTS RESULTS AND LESSONS LEARNED |
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This presentation provides a summary of the performance of several adsorptive media demonstration projects of the Arsenic Treatment Technology Demonstration Program. Information i...
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ADSORPTIVE MEDIA TECHNOLOGIES: DESIGN CONSIDERATIONS |
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The presentation provides information on three topics: adsorptive technology, the application, and system design. Each topic is discussed in general and several photographs from t...
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ADSORPTIVE MEDIA TECHNOLOGIES: MEDIA SELECTION |
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The presentation provides information on six items to be considered when selecting an adsorptive media for removing arsenic from drinking water; performance, EBCT, pre-treatment, r...
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ADVANCED APPROACHES TO ARSINE ATOMIZATION FOR AS SPECIATION BY CRYOFOCUSING WITH ATOMIC ABSORPTION AND ATOMIC FLUORESCENCE DETECTORS |
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Human metabolism of inorganic arsenic (iAs) yields methylated arsenicals that contain arsenic in +3 or +5 oxidation state. Trivalent methylated arsenicals are significantly more to...
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ADVANCES IN BIOTREATMENT OF ACID MINE DRAINAGE AND BIORECOVERY OF METALS: 1. METAL PRECIPITATION FOR RECOVERY AND RECYCLE |
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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...
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ADVANCES IN BIOTREATMENT OF ACID MINE DRAINAGE AND BIORECOVERY OF METALS: 2. MEMBRANE BIOREACTOR SYSTEM FOR SULFATE REDUCTION |
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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...
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ADVANCES IN DRINKING WATER TREATMENT IN THE UNITED STATES |
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The United States drinking water public health protection goal is to provide water that meets all health-based standards to ninety-five percent of the population served by public d...
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AIRBORNE PARTICLES |
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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 ...
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ALTERATIONS OF DNA METHYLATION PRODUCED BY ARSENIC IN HUMAN CELLS IN CULTURE |
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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....
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AMERICAN HEALTHY HOMES SURVEY: A NATIONAL STUDY OF RESIDENTIAL PESTICIDES MEASURED FROM FLOOR WIPES |
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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...
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AMERICAN HEALTHY HOMES SURVEY: A NATIONAL STUDY OF RESIDENTIAL RELATED HAZARDS |
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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...
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AMERICAN-SOVIET SYMPOSIUM ON CHEMICAL POLLUTION OF THE MARINE ENVIRONMENT (1ST) HELD AT ODESSA, USSR ON MAY 24-28, 1977 |
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This symposium, organized under a U.S.-U.S.S.R. Environmental Agreement (Project 02.06-21), focuses on the impact of chemical pollution on the world's oceans. Soviet and American s...
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AN ASSESSMENT OF THE DATA QUALITY FOR NHEXAS--PART I: EXPOSURE TO METALS AND VOLATILE ORGANIC CHEMICALS IN REGION 5 |
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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...
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AN ENVIRONMENTAL TECHNOLOGY VERIFICATION (ETV) OF FIVE PORTABLE DETECTORS FOR THE ANALYSIS OF ARSENIC IN WATER: INDUSTRIAL TEST SYSTEMS QUICK LOW RANGE TEST KIT, QUICK LOW RANGE TEST KIT II, QUICK II TEST KIT, QUICK ULTRA LOW TEST KIT, AND THE MONITORING TECHNOLOGIES INTERNATIONAL PDV 6000 PORTABLE ANALYZER |
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The U.S. Environmental Protection Agency (EPA) has created the Environmental Technology Verification (ETV) Program to facilitate the deployment of innovative or improved environmen...
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AN ENVIRONMENTAL TECHNOLOGY VERIFICATION (ETV) TESTING OF A TRACEDETECT'S SAFEGUARD METALS ANALYZER FOR ARSENIC |
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The TraceDetect's SafeGuard is designed to automatically measure total arsenic concentrations in drinking water samples (including raw water and treated water) over a range from 1 ...
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AN ENZYME LINKED IMMUNOSORBENT ASSAY FOR THE HO-1 ISOFORM OF HEME OXYGENASE |
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AN ENZYME LINKED IMMUNOSORBENT ASSAY FOR THE HO-1 ISOFORM OF HEME OXYGENASE
Heme oxygenase (HO) occurs in biological tissues as two major isoforms HO-1 and HO-2. HO-1 is in...
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AN EVALUATION OF SAMPLE DISPERSION MEDIAS USED WITH ACCELERATED SOLVENT EXTRACTION FOR THE EXTRACTION AND RECOVERY OF ARSENICALS FROM LFB AND DORM-2 |
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An accelerated solvent extraction (ASE) device was evaluated as a semi-automated means for extracting arsenicals from quality control (QC) samples and DORM-2 [standard reference ma...
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AN EVALUATION OF THE RELATIVE GENOTOXICITY OF ARSENITE, ARSENATE, AND FOUR METHYLATED METABOLITES IN VITRO USING THE ALKALINE SINGLE CELL GEL ASSAY |
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An Evaluation of the Relative Genotoxicity of Arsenite, Arsenate, and Four Methylated
Metabolites In Vitro Using the Alkaline Single Cell Gel Assay (ASCG).
Arsenic ( A...
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AN IN VITRO GASTROINTESTINAL METHOD TO ESTIMATE BIOAVAILABLE ARSENIC IN CONTAMINATED SOILS AND SOLID MEDIA. (R825410) |
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A method was developed to simulate the human gastrointestinal environment and
to estimate bioavailability of arsenic in contaminated soil and solid media. In
this in vit...
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AN IN-SITU PERMEABLE REACTIVE BARRIER FOR THE TREATMENT OF ARSENIC IN GROUND WATER |
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Contamination of ground-water resources by arsenic is a widespread environmental problem; consequently, there is an escalating need for developments and improvements of remedial te...
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AN IN-SITU PERMEABLE REACTIVE BARRIER FOR THE TREATMENT OF ARSENIC IN GROUND WATER |
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Contamination of ground-water resources by arsenic is a widespread environmental problem; consequently, there is an escalating need for developments and improvements of remedial te...
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AN INTEGRATED PHARMACOKINETIC AND PHARMACODYNAMIC STUDY OF ARSENITE ACTION 2. HEME OXYGENASE INDUCTION IN MICE |
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Heme oxygenase (HO) is the rate-limiting enzyme in heme degradation and its activity has a significant impact on intracellular heme pools. Rat studies indicate that HO induction i...
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AN INTRALABORATORY COMPARATIVE STUDY OF HYDRIDE GENERATION AND GRAPHITE FURNACE ATOMIC ABSORPTION TECHNIQUES FOR DETERMINING ORGANIC AND INORGANIC ARSENIC IN COMPLEX WASTEWATERS |
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A detailed intralaboratory comparison of the determination of arsenic in complex wastewater samples by hydride generation and graphite furnace atomic absorption techniques has been...
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AN INVESTIGATION OF ARSENIC MOBILITY FROM IRON OXIDE SOLIDS PRODUCED DURING DRINKING WATER TREATMENT |
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The Arsenic Rule under the Safe Drinking Water Act will require certain drinking water suppliers to add to or modify their existing treatment in order to comply with the regulation...
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AN INVESTIGATION OF CHEMICAL STABILITY OF ARSENOSUGARS IN EXTRATION SOLVENTS UTILIZED TO QUANTITATIVELY EXTRACT ARSENICALS FROM SEAFOOD PRODUCTS USING IC-ICP-MS AND IC-ESI-MS/MS |
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Arsenosugars are commonly associated with seaweed products which have total arsenic concentrations that can exceed 50 ppm on a dry weight basis. Arsenosugars are also present in o...
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AN INVESTIGATION OF THE CHEMICAL STABILITY OF ARSENOSUGARS IN BASIC ENVIRONMENTS USING IC-ICP-MS AND IC-ESI-MS/MS |
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This paper evaluates the chemical stability of four arsenosugars using tetramethylammonium hydroxide (TMAOH) as an extraction solvent. This solvent was chosen because of the near ...
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AN INVESTIGATION OF THE CHEMICAL STABILITY OF ARSENOSUGARS IN SIMULATED GASTRIC JUICE AND ACIDIC ENVIRONMENTS USING IC-ICP-MS AND IC-ESI-MS/MS |
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A more quantitative extraction of arsenic-containing compounds from seafood matrices is essential in developing better dietary exposure estimates. More quantitative extraction oft...
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AN OVERVIEW OF THE MINE WASTE TECHNOLOGY PROGRAM PROJECTS |
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The Mine Waste Technology Program (MWTP) is an interagency agreement with the DOE and has partnerships with Universities, Forest Service, BLM, Industry and states. The mission of t...
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AN UPDATE ON SOME ARSENIC PROGRAMS AT THE US EPA |
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An Update on Some Arsenic Projects at the United States
Environmental Protection Agency*
Charles O. Abernathy1, Michael Beringer2, Rebecca L Calderon3,
...
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AN UPDATE ON SOME ARSENIC PROJECTS AT THE UNITED STATES ENVIRONMENTAL PROTECTION AGENCY |
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ABSTRACT Exposure to arsenic (As) has been reported to cause many adverse health effects in humans, including internal and skin cancers, vascular, neurological and dermal manifest...
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ANALYSIS AND ASSESSMENT OF INCINERATED MUNICIPAL SLUDGE ASHES AND LEACHATES |
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Research was conducted to analyze the physical and chemical properties of ashes from incinerated municipal sludge and of corresponding dewatered sludge. Samples were gathered from ...
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ANALYSIS OF A WASTEWATER FOR SEVEN PRIORITY POLLUTANT ELEMENTS BY D.C. ARGON PLASMA EMISSION SPECTROSCOPY |
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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 (...
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ANALYSIS OF BENZO(A)PYRENE-INDUCED DNA ADDUCTS IN MCF-7 BREAST CANCER CELLS WITH DIFFERENT LEVELS OF HSP70 EXPRESSION |
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Analysis of benzo[a]pyrene-induced DNA adducts in MCF-7 breast cancer cells with
different levels of HSP7O expression.
L.C. King1, L.D. Adams1, E.Winkfield1, J.A. Barnes2, S....
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ANALYSIS OF SELECTED SAMPLES FOR METALS UPTAKE |
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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 ...
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APOPTOSIS GENE EXPRESSION IN HUMAN EPDERMAL KERATINOCYTES TREATED WITH SODIUM ARSENITE USING REAL TIME PCR ARRAY |
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Arsenic exposure via contaminated drinking water is a great public health concern worldwide. Chronic arsenic exposure has been associated with human skin, lung and bladder cancer a...
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APPARENT SEXUAL DIFFERENCES IN METABOLISM OF INORGANIC ARSENIC IN HUMAN HEPATOCYTES |
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APPARENT SEXUAL DIFFERENCES IN METABOLISM OF INORGANIC ARSENIC IN HUMAN HEPATOCYTES. M Styblo1, G A Hamilton1, E L LeCluyse1 and D J Thomas2. 1University of North Carolina, Chapel ...
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APPLICATION OF CDNA MICROARRAY TO THE STUDY OF ARSENIC TOXICOLOGY AND CARCINOGENESIS |
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Arsenic (As) is a common environmental toxicant and known human carcinogen. Epidemiological studies link As exposure to various disorders and cancers. However, the molecular mech...
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APPLICATION OF MODELING TECHNIQUES TO THE PLANNING OF IN VITRO ARSENIC PHARMACOKINETIC STUDIES |
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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....
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APPLICATION OF PROTEOMIC METHODS TO ARSENIC EXPOSURE RESEARCH |
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Arsenic, an environmental contaminant, is introduced to drinking water through the leaching of soil and the result of anthropogenic sources such as industrial effluents and combust...
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APPLICATION OF SAMPLE PRE-OXIDATION OF ARSENITE IN HUMAN URINE PRIOR TO SPECIATON VIA ON-LINE PHOTO-OXIDATION WITH MEMBRANE HYDRIDE GENRATION AND ICP-MS DETECTION |
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A pre-oxidation procedure which converts arsenite (AS(III)) to arsenate (As(VVV)) was investigated in urinary arsenic speciation prior to on-line photo-oxidation hydride-generation...
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APPLICATION OF THE TRADESCANTIA MICRONUCLEUS ASSAY FOR THE GENETIC EVALUATION OF CHEMICAL MIXTURES IN SOIL AND AQUEOUS MEDIA |
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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...
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APPLICATION OF TRADESCANTIA MICRONUCLEUS ASSAY FOR IN SITU EVALUATION OF POTENTIAL GENETIC HAZARDS FROM EXPOSURE TO CHEMICALS AT A WOOD PRESERVING SITE |
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In situ evaluation of biological hazards from wood preserving chemicals at a hazardous waste site using the Tradescantia micronucleus assay (Trad-MCN) is reported in this study. he...
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APPLICATIONS ANALYSIS REPORT: SITE PROGRAM DEMONSTRATION TEST SOLIDITECH, INC. SOLIDIFICATION/ STABILIZATION PROCESS |
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This Applications Analysis Report evaluates the Soliditech, Inc., solidification/ stabilization process for the on-site treatment of waste materials. The Soliditech process mixes a...
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APPROACHES TO CHARACTERIZING SOLID PHASE ARSENIC SPECIATION IN SOILS |
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The partitioning of arsenic to soil solids is an important process controlling the stabilization of arsenic wastes and mobility of arsenic in the environment. Identification o...
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ARE ALL ARSENIC EXPOSURES TOXIC? SUPPORTING REGIONAL RISK ASSESSMENTS THROUGH IMPROVED ARSENIC SPECIATION METHODOLOGY |
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Arsenic exposure assessments require the evaluation of the relative contribution of both media (water, food, etc.) and routes of exposure (ingestion, inhalation, dermal). For ar...
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ARE WE MONITORING IN THE RIGHT PLACES FOR INORGANICS AND RADIONUCLIDES? |
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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...
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ARE WE MONITORING IN THE RIGHT PLACES FOR METALS AND RADIONUCLIDES |
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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...
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ARSENATE REDUCTION BY ORGANIC COMPOUNDS |
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Arsenic is found in a variety of forms and oxidation states depending on soil pH and redox conditions. Under oxic conditions, arsenate is thermodynamically favored but arsenite, t...
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ARSENIC |
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The report is an in-depth study that attempts to assemble, organize, and interpret present-day information on arsenic and its compounds, and the effects of these substances on man,...
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ARSENIC (+3 OXIDATION STATE) METHYLTRANSFERASE AND THE INORGANIC ARSENIC METHYLATION PHENOTYPE |
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Inorganic arsenic is enzymatically methylated; hence, its ingestion results in exposure to the parent compound and various methylated arsenicals. Both experimental and epidemiolog...
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ARSENIC (+3 OXIDATION STATE) METHYLTRANSFERASE AND THE METHYLATION OF ARSENICALS |
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Metabolic conversion of inorganic arsenic into methylated products is a multistep process that yields mono, di, and trimethylated arsenicals. In recent years, it has become appare...
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ARSENIC (3) OXIDATION AND REMOVAL FROM DRINKING WATER |
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The oxidative pretreatment of As(III) using chlorine and oxygen was studied following quantification of As(III) and As(V) removals by activated alumina columns. Activated alumina r...
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ARSENIC (III) AND ARSENIC (II) REMOVAL FROM DRINKING WATER IN SAN YSIDRO, NEW MEXICO |
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The removal of a natural mixture of As(III) (31 ug/L) and As(V) (57 ug/L) from a groundwater high in total dissolved solids (TDS), and also containing fluoride (2.0 mg/L), was stud...
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ARSENIC (III) AND ARSENIC (V) REMOVAL FROM DRINKING WATER IN SAN YSIDRO, NEW MEXICO |
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The removal of a natural mixture of As(III) (31 ug/L) and As(V) (57 ug/L) from a groundwater high in total dissolved solids (TDS), and also containing fluoride (2.0 mg/L), was stud...
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ARSENIC (III) METHYLATED SPECIES REACT WITH DNA DIRECTLY AND COULD BE PROXIMATED/ULTIMATE GENOTOXIC FORMS OF ARSENIC |
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ARSENIC(III) METHYLATED SPECIES REACT WITH DNA DIRECTL Y AND COULD BE PROXIMATE/ULTIMATE GENOTOXIC FORMS OF ARSENIC
Arsenite and arsenate (iAs, inorganic arsenic) h...
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ARSENIC - SUSCEPTIBILITY & IN UTERO EFFECTS |
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Exposure to inorganic arsenic remains a serious public health problem at many locations worldwide. If has often been noted that prevalences of signs and symptoms of chronic arsen...
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ARSENIC - USEPA RESEARCH |
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Presentation will discuss the past, present and future USEPA research program on technology development for removal of arsenic from drinking water. The results of two field studie...
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ARSENIC ADSORPTION AND DESORPTION BY WATER TREATMENT RESIDUALS: PRELIMINARY RESULTS. (R830842) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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ARSENIC ALTERS CYTOSINE METHYLATION PATTERNS OF THE PROMOTER OF THE TUMOR SUPPRESSOR GENE P53 IN HUMAN LUNG CELLS: A MODEL FOR A MECHANISM OF CARCINOGENESIS |
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NO ABSTRACT PROVIDED...
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ARSENIC AND MERCURY WORKSHOP ON REMOVAL, RECOVERY, TREATMENT AND DISPOSAL |
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A workshop on removal, recovery, treatment, and disposal of arsenic and mercury wastes was held in Alexandria, Virginia on August 17 through 20, 1992. The goals of the workshop wer...
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ARSENIC AND OHIO UTILITIES |
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The presentation provides information on arsenic removal drinking water treatment systems that are likely to be used in Ohio for arsenic removal. Because most Ohio ground water con...
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ARSENIC BIOAVAILABILITY ASSOCIATED WITH THE PRESENCE OF CCA-TREATED WOOD PRODUCTS |
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This is an invited paper/slide presentation to be presented by Dr. Karen Bradham at the 8th International Conference on the Biogeochemistry of Trace Elements, Adelaide, Australia, ...
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ARSENIC CONTAMINATION AT THE INDUSTRI-PLEX SUPERFUND SITE, WOBURN, MA |
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Arsenate coprecipitated with hydrous ferric oxide (HFO) was stabilized against dissolution during transformation of HFO to more crystalline iron (hydr)oxides. The rate of arsenate...
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ARSENIC CONTAMINATION IN GROUND WATER AT A HAZARDOUS WASTE SITE |
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Arsenic in ground water can be a potential source of contamination to surface water. A case study will be presented to evaluate the fate of arsenic during ground water-surface wat...
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ARSENIC DESORPTION FROM DISTRIBUTION SYSTEM SOLIDS |
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Due to the recent reduction of the maximum contaminant level (MCL)of arsenic, eliminating possible human exposure has become increasingly critical. Research has suggested that cons...
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ARSENIC DESORPTION FROM DRINKING WATER DISTRIBUTION SYSTEMS |
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The U.S. Environmental Protection Agency (USEPA) has recently lowered the maximum contaminant level (MCL) for arsenic from 0.050 mg/L to 0.010 mg/L for all community and non-commun...
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ARSENIC DETERMINATION BY THE SILVER DIETHYLDITHIOCARBAMATE METHOD AND THE ELIMINATION OF METAL ION INTERFERENCE |
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The interference of metals with the determination of arsenic by the silver diethyldithiocarbamate (SDDC) Method was investigated. Low recoveries of arsenic are obtained when cobalt...
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ARSENIC DETERMINATION IN SALINE WATERS UTILIZING A TUBULAR MEMBRANE AS A GAS-LIQUID SEPATRATOR FOR HYDRIDE GENERATION INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY |
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A tubular silicone rubber membrane is evaluated as a gas-liquid separator for the determination of arsenic in saline waters via HG-ICP-MS. The system was optimized in terms of NaBH...
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ARSENIC EFFECTS ON TELOMERE AND TELOMERASE ACTIVITY |
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Arsenic effects on telomere and telomerase activity. T-C. Zhang, M. T. Schmitt, J. Mo, J. L. Mumford, National Research Council and U.S Environmental Protection Agency, NHEERL, Res...
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ARSENIC EXPOSURE AND HEALTH EFFECTS V - PROCEEDINGS OF THE FIFTH INTERNATIONAL CONFERENCE ON ARSENIC EXPOSURE AND HEALTH EFFECTS |
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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....
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ARSENIC GEOCHEMICAL BEHAVIOR DURING GROUND WATER-SURFACE WATER INTERACTIONS AT A CONTAMINATED SITE |
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Research results will be presented that address arsenic mobilization and cycling mechanisms at a Superfund site in eastern Massachusetts. The site is located in the headwaters of t...
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ARSENIC IN DRINKING WATER AND THE PREVALENCE OF RESPIRATORY SYMPTOMS IN WEST BENGAL, INDIA. (R826137) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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ARSENIC IN DRINKING WATER SUPPLY WELLS: A MULTI-AGENCY COMMUNITY-BASED, RESEARCH PROJECT |
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Studies have indicated that arsenic concentrations greater than the new U.S. Environmental Protection Agency (EPA) maximum contaminant level (MCL) concentration of 10 micrograms pe...
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ARSENIC IN DRINKING WATER: EPIDEMIOOOGIC STUDIES OF LOW EXPOSURE IN THE UNITED STATES |
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Because there is no animal model fully adequate to study the mechanisms of arsenic toxicity and carcinogenicity; human epidemiological studies incorporating sensitive biomarkers ...
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ARSENIC IN DRINKING WATER: USING SOUND SCIENCE FOR RISK MANAGEMENT AND ASSISTING COMMUNITY DECISION-MAKERS - A MULTI-AGENCY, COMMUNITY-BASED RESEARCH PROJECT |
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Studies have indicated that arsenic concentrations greater than the new U.S. Environmental Protection Agency (U.S. EPA) maximum contaminant level (MCL) concentration of 10 microgra...
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ARSENIC IN WATER SUPPLIES: AN ISSUE FOR OKLAHOMA AND THE NATION |
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Arsenic in drinking water supplies has been identified as a potential public health problem within the United States and the world. The U.S. Environmental Protection Agency has re...
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ARSENIC IN WATER USED FOR DRINKING - AN ENVIRONMENTAL TECHNOLOGY VERIFICATION |
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In October 2001, the U.S. Environmental Protection Agency (EPA) announced a new federal standard for concentrations of arsenic found in drinking water. The new standard was to ...
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ARSENIC INDUCTION OF HEME OXYGENASE AS A BIOMARKER |
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Useful biomarkers of arsenic effects in both experimental animals and humans are needed. Arsenate and arsenite are good inducers of rat hepatic and renal heme oxygenase (HO); ...
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ARSENIC INTERACTION WITH IRON (II, III) HYDROXYCARBONATE GREEN RUST: IMPLICATIONS FOR ARSENIC REMEDIATION |
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Zerovalent iron is being used in permeable reactive barriers (PRBs) to remediate groundwater arsenic contamination. Iron(II, III) hydroxycarbonate green rust is a major corrosion p...
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ARSENIC IS A GENOTOXIC CARCINOGEN -- ACTING AS A CLASTOGEN AND A MITOTIC INHIBITOR |
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Introduction
The ability of arsenic to induce cancer in humans is beyond dispute. How arsenic induces cancer is the subject of much conjecture. Various modes of ...
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ARSENIC LEACHING FROM IRON RICH MINERAL PROCESSING WASTE: INFLUENCE OF PH AND REDOX POTENTIAL |
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This paper presents the effect of pH and redox potential on the potential mobility of arsenic (As) from a contaminated mineral processing waste. The selected waste contained about ...
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ARSENIC LEVELS IN DRINKING WATER AND THE PREVALENCE OF SKIN LESIONS IN WEST BENGAL, INDIA. (R826137) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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ARSENIC LEVELS IN HUMAN BLOOD, URINE, AND HAIR IN RESPONSE TO EXPOSURE VIA DRINKING WATER |
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Five communities with water supplies having arsenic concentrations of 6, 51, 98, 123 and 393 micrograms/liter were selected for study. Samples of blood, hair, urine and tap water w...
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ARSENIC METHYLATION AND OXIDANT INJURY BY ESR IN VIVO AND IN VITRO |
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Arsenic Methylation and Oxidant Injury by ESR In Vivo and In Vitro.
Although arsenic is naturally occurring and present in the environment, it is a serious environmental con...
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ARSENIC MOBILITY FROM IRON OXIDE SOLIDS PRODUCED DURING WATER TREATMENT |
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The Arsenic Rule under the Safe Drinking Water Act will require certain drinking water suppliers to add to or modify their existing treatment in order to comply with the new 10 ppb...
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ARSENIC MOBILIZATION BY THE DISSIMILATORY FE(III)-REDUCING BACTERIUM SHEWANELLA ALGA BRY. (R825399) |
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The mobility of arsenic commonly increases as reducing conditions are
established within sediments or flooded soils. Although the reduction of arsenic
increases its solu...
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ARSENIC MODE OF ACTION AND DEVELOPING A BBDR MODEL |
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The current USEPA cancer risk assessment for inorganic arsenic is based on a linear extrapolation of the epidemiological data from exposed populations in Taiwan. However, proposed ...
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ARSENIC REMEDIATION OF DRINKING WATER USING LIMESTONE: CHARACTERIZATION OF LIMESTONE AND DOLOMITE. (68D03064) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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ARSENIC REMOVAL |
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Presentation covered five topics; arsenic chemistry, best available technology (BAT), surface water technology, ground water technology and case studies of arsenic removal. The di...
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ARSENIC REMOVAL BY FULL SCALE ION EXCHANGE AND ACTIVATED ALUMINA TREATMENT |
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This presentation discusses the results of a one year performance evaluation study of two ion exchange plants and two activated alumina plants that were designed and operated for t...
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ARSENIC REMOVAL BY IRON REMOVAL PROCESSES |
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Presentation will discuss the removal of arsenic from drinking water using iron removal processes that include oxidation/filtration and the manganese greensand processes. Presenta...
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ARSENIC REMOVAL COST ESTIMATING PROGRAM |
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The Arsenic Removal Cost Estimating program (Excel) calculates the costs for using adsorptive media and anion exchange treatment systems to remove arsenic from drinking water. The ...
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ARSENIC REMOVAL FROM DRINKING WATER |
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Presentation will discuss arsenic chemistry, arsenic speciation methods and arsenic treatment technology. The presentation will include case study information drawn from EPA arsen...
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ARSENIC REMOVAL FROM DRINKING WATER BY ACTIVATED ALUMINA AND ANION EXCHANGE TREATMENT |
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This paper discusses the results of a one year performance evaluation study of two full scale ion exchange plants and two full scale activated alumina plant that were designed and ...
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ARSENIC REMOVAL FROM DRINKING WATER BY ACTIVATED ALUMINA AND ANION EXCHANGE TREATMENT |
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In preparation of the U.S. Environmental Protection Agency (USEPA) revising the arsenic maximum contaminant level (MCL) in the year 2001, a project was initiated to evaluate the pe...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTION MEDIA USEPA DEMONSTRATION PROJECT AT BROWN CITY, MI SIX MONTH EVALUATION REPORT |
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This report documents the activities performed during and the results obtained from the first six months of the arsenic removal treatment technology demonstration project in Brown ...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA - USEPA DEMONSTRATION PROJECT AT DESERT SANDS MDWCA, NM SIX MONTH EVALUATION |
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This report documents the activities performed during, and the results obtained from, the first six months of the arsenic removal treatment technology demonstration project at the ...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA -- USEPA DEMONSTRATION PROJECT AT ROLLINSFORD, NH, SIX MONTH EVALUTION REPORT |
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This report documents the activities performed during and the results obtained from the first six months of the arsenic removal treatment technology demonstration project at the Ro...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA AT GOFFSTOWN, NH SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed and the results obtained from the first six months of the arsenic removal treatment technology demonstration project at the Orchard H...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA U.S. EPA DEMONSTRATION PROJECT AT BRUNI, TX, SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed and the results obtained from the first six months of the arsenic removal treatment technology demonstration project at the Webb Cons...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA U.S. EPA DEMONSTRATION PROJECT AT CHATEAU ESTATES MOBILE HOME PARK IN SPRINGFIELD, OH. FINAL PERFORMANCE EVALUATION REPORT |
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This report documents the activities performed for and the results obtained from the first six months of the arsenic removal treatment technology demonstration project at the Chate...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA U.S. EPA DEMONSTRATION PROJECT AT CHATEAU ESTATES MOBILE HOME PARK IN SPRINGFIELD, OH. SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed for and the results obtained from the first six months of the arsenic removal treatment technology demonstration project at the Chate...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA U.S. EPA DEMONSTRATION PROJECT AT DUMMERSTON, VT SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed during and the results obtained from the first six months (from June 22, 2005 through December 22, 2005) of the arsenic removal treat...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA U.S. EPA DEMONSTRATION PROJECT AT RICHMOND ELEMENTARY SCHOOL IN SUSANVILLE, CA SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed during and the results obtained from the first six months of the performance evaluation study of the Aquatic Treatment Systems, Inc. ...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA U.S. EPA DEMONSTRATION PROJECT AT SPRING BROOK MOBILE HOME PARK IN WALES, ME SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed during and the results obtained from the first six months of the arsenic removal treatment technology demonstration project at the Sp...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA USEPA DEMONSTRATION PROJECT AT VALLEY VISTA, AZ SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed and the results obtained from the first six months of the EPA arsenic removal technology demonstration project at the Arizona Water C...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA, USEPA DEMONSTRATION PROJECT AT RIMROCK, AZ, SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed during and the results obtained from the first six months of the arsenic removal treatment technology demonstration project at Rimroc...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA. EPA DEMONSTRATION PROJECT AT QUEEN ANNES COUNTY, MARYLAND SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed and the results obtained from the first six months of the arsenic removal treatment technology demonstration project at the community...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA. U.S. EPA DEMONSTRATION PROJECT AT BOW, NH , SIX MONTH EVALUATION REPORT |
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This report documents the activities performed during and the results obtained from the first six months of the arsenic removal treatment technology demonstration project at the Wh...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA. U.S. EPA DEMONSTRATION PROJECT AT SOUTH TRUCKEE MEADOWS GENERAL IMPROVEMENT DISTRICT (STMIG), NV. INTERIM EVALUATION REPORT |
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This report documents the activities performed during and the results obtained from the first 32 weeks of operation of an arsenic and antimony removal technology currently being de...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA. U.S. EPA DEMONSTRATION PROJECT AT SPRINGFIELD, OH. PROJECT SUMMARY |
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This document is a eight page summary of the final report on arsenic demonstration project at the Chateau Estates Mobile Home Park in Springfield, OH. The objectives of the project...
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ARSENIC REMOVAL FROM DRINKING WATER BY ADSORPTIVE MEDIA. USEPA DEMONSTRATION PROJECT AT VALLEY VISTA, AZ FINAL PERFORMANCE EVALUATION REPORT |
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This report documents the activities performed during and the results obtained from the arsenic removal treatment technology demonstration project at an Arizona Water Company (AWC)...
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ARSENIC REMOVAL FROM DRINKING WATER BY COAGULATION/FILTRATION AND LIME SOFTENING PLANTS |
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This report documents a long term performance (one year) study of 3 water treatment plants to remove arsenic from drinking water sources. The 3 plants consisted of 2 conventional c...
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ARSENIC REMOVAL FROM DRINKING WATER BY COAGULATION/FILTRATION. U.S. EPA DEMONSTRATION PROJECT AT VILLAGE OF PENTWATER, MI. SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed during and the results obtained from the first six months of the EPA arsenic removal technology demonstration project at the Village ...
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ARSENIC REMOVAL FROM DRINKING WATER BY ION EXCHANGE AND ACTIVATED ALUMINA PLANTS |
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This report documents a long term performance study of two ion exchange (IE) and two activated alumina (AA) treatment plants to remove arsenic from drinking water. Performance info...
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ARSENIC REMOVAL FROM DRINKING WATER BY ION EXCHANGE. U.S. EPA DEMONSTRATION PROJECT AT FRUITLAND, ID SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed during and the results obtained from the first six months of the performance evaluation of a Kinetico ion exchange (IX) system to rem...
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ARSENIC REMOVAL FROM DRINKING WATER BY IRON REMOVAL AND ADSORPTIVE MEDIA USEPA DEMONSTRATION PROJECT AT STEWART, MN. SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed and the results obtained from the first six months of the EPA arsenic removal technology demonstration project at the Stewart, MN fac...
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ARSENIC REMOVAL FROM DRINKING WATER BY IRON REMOVAL PLANTS |
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This report documents a long term performance study of two iron removal water treatment plants to remove arsenic from drinking water sources. Performance information was collected ...
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ARSENIC REMOVAL FROM DRINKING WATER BY IRON REMOVAL USEPA DEMONSTRATION PROJECT AT BIG SAUK LAKE MOBILE HOME PARK IN SAUK CENTRE, MN. SIX MONTH EVALUATION REPORT |
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This report documents the activities performed and the results obtained from the first six months of the arsenic removal treatment technology demonstration project at the Big Sauk ...
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ARSENIC REMOVAL FROM DRINKING WATER BY IRON REMOVAL. U.S. EPA DEMONSTRATION PROJECT AT CLIMAX, MN. FINAL PERFORMANCE EVALUATION REPORT. |
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This report documents the activities performed and the results obtained for the arsenic removal treatment technology demonstration project following one year of operation at the Cl...
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ARSENIC REMOVAL FROM DRINKING WATER BY IRON REMOVAL. U.S. EPA DEMONSTRATION PROJECT AT VILLAGE ON THE PONDS IN DELAVAN, WI. SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed and the results obtained from the first six months of the arsenic removal treatment technology demonstration project at Vintage on th...
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ARSENIC REMOVAL FROM DRINKING WATER BY IRON REMOVAL. USEPA DEMONSTRATION PROJECT AT CLIMAX, MN SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed and the results obtained from the first six months of the arsenic removal treatment technology demonstration project at the Climax, M...
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ARSENIC REMOVAL FROM DRINKING WATER BY IRON REMOVAL. USEPA DEMONSTRATION PROJECT AT CLIMAX, MN. PROJECT SUMMARY |
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This document is an eight page summary of the final report on arsenic demonstration project at Climax, MN (EPA/600/R-06/152). The objectives of the project are to evaluate the effe...
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ARSENIC REMOVAL FROM DRINKING WATER BY POINT OF USE REVERSE OSMOSIS. EPA DEMONSTRATION PROJECT AT SUNSET RANCH DEVELOPMENT IN HOMEDALE, ID. SIX-MONTH EVALUATION REPORT |
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This report documents the activities performed during and the results obtained from the first six months of the point of use arsenic removal treatment technology demonstration proj...
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ARSENIC REMOVAL FROM DRINKING WATER BY POINT-OF-USE (POU) REVERSE OSMOSIS. U.S. EPA DEMONSTRATION PROJECT AT SUNSET RANCH DEVELOPMENT IN HOMEDALE, ID. FINAL PERFORMANCE EVALUATION REPORT |
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This report documents the activities performed during and the results obtained from the arsenic removal technology demonstration project at the Sunset Ranch Development in Homedale...
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ARSENIC REMOVAL FROM DRINKING WATER BY PROCESS MODIFICATION TO COAGULATION/FILTRATION. USEPA DEMONSTRATION PROJECT AT LIDGERWOOD, ND. FINAL PERFORMANCE EVALUATION REPORT |
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This report documents the activities performed and the results obtained for the arsenic removal treatment technology demonstration project at the Lidgerwood, North Dakota site. Th...
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ARSENIC REMOVAL TECHNOLOGY |
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Presentation will discuss the state-of-art technology for removal of arsenic from drinking water. Presentation includes results of several EPA field studies on removal of arsenic ...
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ARSENIC REMOVAL TREATMENT OPTIONS FOR SINGLE FAMILY HOMES |
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The presentation provides information on POU and POE arsenic removal drinking water treatment systems. The presentation provides information on the arsenic rule, arsenic chemistry ...
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ARSENIC REMOVAL USING A POLYMERIC/INORGANIC HYBRID SORBENT. (R828163) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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ARSENIC REMOVAL USING ADSORPTION TECHNOLOGIES |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Many groundwaters that have arsenic in their source wat...
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ARSENIC REMOVAL USING SOL-GEL SYNTHESIZED TITANIUM DIOXIDE NANOPARTICLES |
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In this study, the effectiveness of TiO2 nanoparticles in arsenic adsorption was examined. TiO2 particles (LS) were synthesized via sol-gel techniques and cha...
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ARSENIC RESEARCH AT GWERD |
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Abstract - The presentation will summarize the arsenic research program at the Ground Water & Ecosystems Restoration Division of the National Risk Management Research Laboratory of...
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ARSENIC RULE AND GROUND WATER REMOVAL TECHNOLOGIES |
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On 6/22/00 EPA published in the federal register a proposed rule to lower the arsenic maximum contaminant level (MCL) from 0.05 to 0.005 mg/L. The proposed rule also identified a n...
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ARSENIC SEDIMENTATION ALONG THE SLOPE OF A LAKE BASIN |
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Lake Lansing, Michigan was treated with sodium arsenite for macrophyte control in 1957. even 1.5-m sediment cores were taken along a line through the littoral zone to the deepest p...
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ARSENIC SEPARATION FROM WATER USING ZEOLITES |
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Arsenic is known to be a hazardous contaminant in drinking water. The presence of arsenic in water supplies has been linked to arsenical dermatosis and skin cancer . Zeolites are w...
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ARSENIC SEPARATION FROM WATER USING ZEOLITES: SYMPOSIUM |
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NRMRL-ADA-01134
Shevade, S, Ford*, R., and Puls*, R.W. "Arsenic Separation from Water Using Zeolites." In: 222nd ACS National Meeting, ACS Environmental Chemistry Division Sympo...
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ARSENIC SOLID-PHASE PARTITIONING IN REDUCING SEDIMENTS OF CONTAMINATED WETLAND |
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The geochemical partitioning of arsenic in organic-rich sediments from a contaminated wetland is examined using X-ray absorption spectroscopy and selective chemical extraction proc...
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ARSENIC SOLUBILITY AND ATTENUATION IN SOILS OF THE MADISON RIVER BASIN, MONTANA: IMPACTS OF LONG-TERM IRRIGATION. (R825403) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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ARSENIC SORUCE IDENTIFICATION AT THE GROUND WATER-SURFACE WATER INTERACTION ZONE AT A CONTAMINATED SITE |
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One of the challenges in assessing the current impact of the discharge of arsenic contaminated ground water into a surface water body is differentiating the arsenic ground-water fl...
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ARSENIC SOURCES AND ASSESSMENT |
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Recent research has identified a number of potential and current links between environmental arsenic releases and the management of operational and abandoned landfills. Many landf...
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ARSENIC SPECIATION ANALYSIS IN GROUND WATER BY IC-HG-AFS |
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The determination of low levels of arsenic draws concern more than ever today, because of the possible legislative changes in the drinking water limit. The toxicity of arsenic dep...
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ARSENIC SPECIATION ANALYSIS IN GROUND WATERS BY IC-HG-AFS |
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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....
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ARSENIC SPECIATION ANALYSIS IN HUMAN SALIVA |
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Background: Determination of arsenic species in human saliva is potentially useful for biomonitoring of human exposure to arsenic and for studying arsenic metabolism. However, ther...
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ARSENIC SPECIATION IN CARROT EXTRACTS WITH AN EMPHASIS ON THE DETECTION OF MMA(III) AND MMTA |
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The two predominant routes of arsenic exposure are dietary ingestion and drinking water consumption. Dietary arsenic, unlike drinking water arsenic, contains a variety of arsenica...
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ARSENIC SPECIATION IN PROBLEMATIC SEAFOOD MATRICES: THE IMPORTANCE OF A SPECIES SPECIFIC MASS BALANCE |
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Arsenic has two major exposure routes: dietary and drinking water ingestion. Dietary exposures can easily exceed those typically associated with drinking water but the risk assoc...
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ARSENIC SPECIATION IN WATER AND DIETARY SAMPLES BY IC-ICP-MS WITH STRUCTURAL VERIFICATION VIA IC-ESI-MS/MS |
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The two predominate sources of arsenic exposure are water and dietary ingestion. Dietary sources can easily exceed drinking water exposures based on "total" arsenic measurements. ...
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ARSENIC SPECIATION, SEASONAL TRANSFORMATIONS, AND CO-DISTRIBUTION WITH IRON IN A MINE WASTE-INFLUENCED PALUSTRINE EMERGENT WETLAND. (R825399) |
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Arsenic is commonly associated with mined ores and thus may be detrimental to naturally occurring wetlands that reside in mine waste-impacted regions. Understanding the relationshi...
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ARSENIC SPECIATION: SAMPLING PRESERVATION AND ANALYSIS |
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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....
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ARSENIC SPECIES CAUSE RELEASE OF IRON FROM FERRITIN GENERATING ACTIVATED OXYGEN |
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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....
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ARSENIC SPECIES CAUSE RELEASE OF IRON FROM FERRITIN GENERATING REACTIVE OXYGEN SPECIES |
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ARSENIC SPECIES CAUSE RELEASE OF IRON FROM FERRITIN GENERATING REACTIVE OXYGEN SPECIES
Arsenic-associated cancer (lung, bladder, skin, liver, kidney) remains a significant ...
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ARSENIC SPECIES CAUSE RELEASE OF IRON FROM FERRITIN GENERATING REACTIVIE OXYGEN SPECIES |
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ARSENIC SPECIES. CAUSE RELEASE OF IRON , FROM FERRITIN GENERATING REACTIVE OXYGEN SPECIES
Arsenic-associated cancer (lung, bladder, skin, liver, kidney) remains a significa...
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ARSENIC SPECIES THAT CAUSE RELEASE OF IRON FROM FERRITIN AND GENERATION OF ACTIVATED OXYGEN |
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ABSTRACT
The in vitro effects of four different species of arsenic { arsenate, arsenite, monomethylarsonic acid and dimethylarsinic acid) in mobilizing iron from horse ...
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ARSENIC SPECIES THAT CAUSE RELEASE OF IRON FROM FERRITIN AND GENERATION OF ACTIVATED OXYGEN |
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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....
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ARSENIC STRESS RESPONSE IN RICE: COMPARISON BETWEEN ORGANIC AND INORGANIC PESTICIDES. (R830842) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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ARSENIC TOXICITY AND POTENTIAL MECHANISMS OF ACTION |
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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....
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ARSENIC TRANSPORT ACROSS THE GROUNDWATER ā SURFACE WATER INTERFACE AT A SITE IN CENTRAL MASSACHUSETTS |
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Plow Shop Pond, located in central Massachusetts within the New England āarsenic belt,ā receives water from a series of interconnected upstream ponds as well as from upward-dischar...
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ARSENIC TRANSPORT ACROSS THE GROUNDWATER ā SURFACE WATER INTERFACE AT A SITE IN CENTRAL MASSACHUSETTS |
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Plow Shop Pond, located in central Massachusetts within the New England āarsenic belt,ā receives water from a series of interconnected upstream ponds as well as from upward-dischar...
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ARSENIC TRANSPORT AND FATE IN SULFIDIC ENVIRONMENTS: AS(III) - FES INTERACTIONS |
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Arsenic mobility in groundwater and retention in aquifer materials at contaminated sites is often linked to redox processes, especially iron and sulfur cycling at redox boundarie...
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ARSENIC TRANSPORT AND FATE IN SULFIDIC ENVIRONMENTS: AS(III) - FES INTERACTIONS: SYMPOSIUM |
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NRMRL-ADA-01151
Wilkin*, R.T., Ford*, R., and Wallschlaeger, D. "Arsenic Transport and Fate in Sulfidic
Environments: As(III) - FeS Interactions." In: Geological Society of Americ...
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ARSENIC TRANSPORT IN CONTAMINATED MINE TAILINGS FOLLOWING LIMING. (R825403) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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ARSENIC TREATMENT BY ADSORPTIVE TECHNOLOGY |
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Presentation will discuss the removal of arsenic from drinking water using the adsorptive media treatment process. Fundamental information is provided on the design and operation o...
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ARSENIC TREATMENT CONSIDERATIONS AND CASE STUDIES |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Many groundwaters that have arsenic in their source wa...
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ARSENIC TREATMENT IN OHIO: CONSIDERATIONS AND CASE STUDIES |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. It has been projected that the State of Ohio will have...
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ARSENIC TREATMENT OPTIONS |
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The PPT presentation will provide information on the drinking water treatment options for small utilities to remove arsenic from ground water. The discussion will include informat...
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ARSENIC TREATMENT PILOT TESTS |
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This presentation provides information on the chemistry of arsenic in drinking water and the results of several pilot plant studies on the removal of arsenic from drinking water wi...
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ARSENIC TREATMENT TECHNOLOGIES |
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Presentation at the Water Technologies for Rural Texas Conference. The presentiton gives an overview of arsenic chemistry, arsenic occurrence, current status of arsenic research (...
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ARSENIC TREATMENT TECHNOLOGIES 1 |
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A 75 minute presentation will be given at the State of Pennsylvania drinking water training session for state personnel. It will cover four topics: arsenic chemistry, best availabl...
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ARSENIC TREATMENT TECHNOLOGY |
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Presentation will discuss the state-of-the-art technology for removal of arsenic from drinking water. Presentation also includes results of several EPA field studies on removal of...
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ARSENIC UPTAKE AND LOSS IN THE AMERICAN OYSTER, 'CRASSOSTREA VIRGINIA' |
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In addition to a control Crassostrea virginica was treated with 3 and 5 micrograms As per kg for 16 wks at ambient seawater salinity and temperature to determine the potential of C...
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ARSENIC UPTAKE PROCESSES IN REDUCING ENVIRONMENTS: IMPLICATIONS FOR ACTIVE REMEDIATION AND NATURAL ATTENUATION |
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Reductive dissolution of iron oxyhydr(oxides) and release of adsorbed or coprecipitated arsenic is often implicated as a key process that controls the mobility and bioavailability ...
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ARSENIC, OXIDATIVE STRESS AND CARCINOGENESIS |
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There is no abstract available for this product. If further information is requested, please refer to the person listed as the contact....
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ARSENIC-INDUCED SKIN CONDITIONS IDENTIFIED IN SOUTHWEST DERMATOLOGY PRACTICE: AN EPIDEMIOLOGIC TOOL? |
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Populations living in the Southwest United States are more likely to be exposed to elevated drinking water arsenic levels compared to other areas of the country. Skin changes, incl...
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ARSENIC-SELENIUM INTERACTIONS IN HUMAN AND RAT HEPATOCYTES |
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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....
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ARSENIC: CARCINOGENIC MECHANISMS, RISK ASSESSMENT AND THE MAXIMUM CONTAMINANT LEVEL (MCL) |
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This workshop will provide an up-to-date overview on key issues related to cancer risk assessment of arsenic: carcinogenic mechanisms; application of mechanistic information to...
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ARSENIC: USEPA DEMONSTRATION PROGRAM AND LATEST RESEARCH RESULTS |
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The presentation begins with a status report on the progress of the USEPA arsenic demonstration program consisting of the 50 projects under Rounds 1,2, and 2a. The presentation al...
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ARSENICALS IN MATERNAL AND FETAL MOUSE TISSUES AFTER GESTATIONAL EXPOSURE TO ARSENITE |
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Exposure of pregnant C3H/HeNCR mice to 42.5- or 85-ppm of arsenic as sodium arsenite in drinking water between days 8 to 18 of gestation markedly increases tumor incidence in their...
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ARSENICALS INHIBIT THIOREDOXIN REDUCTASE ACTIVITY IN CULTURED RAT HEPATOCYTES |
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ARSENICALS INHIBIT THIOREDOXIN REDUCTASE ACTIVITY IN CULTURED RAT HEPATOCYTES.
S. Lin1, L. M. Del Razo1, M. Styblo1, C. Wang2, W. R. Cullen2, and D.J. Thomas3. 1Univ. Nort...
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ARSENITE BINDING TO SUBSETS OF THE HUMAN ESTROGEN RECEPTOR-ALPHA |
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Enzyme inhibition by arsenicals has been described many times, but the underlying binding of trivalent arsenicals to peptides and proteins has received little attention. The purpos...
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ARSENITE BINDING TO SYNTHETIC PEPTIDES: THE EFFECT OF INCREASING LENGTH BETWEEN TWO CYSTEINES |
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Binding of trivalent arsenicals to peptides and proteins can alter peptide/protein structure and enzyme function and thereby contribute to arsenic toxicity and carcinogenicity. We ...
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ARSENITE EXPOSURE CAUSES BOTH HYPOMETHYLATION AND HYPERMETHYLATION IN HUMAN CELL LINES IN CULTURE AT LOW CONCENTRATIONS |
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We and others have hypothesized that a mechanism of arsenic carcinogenesis could involve alteration of DNA methylation since this process utilizes a methyltransferase and consumes ...
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ARSENITE INDUCTION OF HEME OXYGENASE AS A BIOMARKER |
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ARSENITE INDUCTION OF HEME OXYGENASE AS A BIOMARKER
Useful biomarkers of arsenic effects in both experimental animals and humans are needed. Arsenate and arsenite are good ...
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ARSENITE, BUT NOT CADMIUM, INDUCES ORNITHINE DECARBOXYLASE AND HEME OXYGENASE ACTIVITY IN RAT LIVER: RELEVANCE TO ARSENIC CARCINOGENESIS |
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NO ABSTRACT PROVIDED...
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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. |
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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...
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ASSESSING AND MANAGING MERCURY FROM HISTORIC AND CURRENT MINING ACTIVITIES |
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Mining activities in the US (not counting coal) produce between one and two billion tons of mine waste annually. Since many of the ore mines involve sulfide minerals, the productio...
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ASSESSING ARSENIC EXPOSURE AND SKIN HYPERKERATOSIS IN INNER MONGOLIA, CHINA |
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Arsenic is a known human carcinogen. The inorganic forms, especially arsenite (As+3), are believed to be the most toxic species. Methylation is often considered to be the
deto...
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ASSESSING AS, HG AND SE SPECIATION AND TRANSPORT IN FLUE GAS DESULPHURIZATION MATERIAL AND DRYWALL |
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The risk associated with the reuse of flue gas desulphurization (FGD) material in drywall manufacture is largely determined by the distribution or mineralogical fractionation of me...
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ASSESSING CHILDREN'S EXPOSURES TO PESTICIDES: AN IMPORTANT APPLICATION OF THE STOCHASTIC HUMAN EXPOSURE AND DOSE SIMULATION MODEL (SHEDS) |
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Accurately quantifying human exposures and doses of various populations to environmental pollutants is critical for the Agency to assess and manage human health risks. For exampl...
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ASSESSING CHILDREN'S EXPOSURES TO THE WOOD PRESERVATIVE CCA (CHROMATED COPPER ARSENATE) ON TREATED PLAYSETS AND DECKS |
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Concerns have been raised regarding the safety of young children contacting arsenic and chromium residues while playing on and around Chromated Copper Arsenate (CCA) treated wood...
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ASSESSING HUMAN EXPOSURE AND GENOTOXIC EFFECTS IN HUMAN EXFOLIATED EPITHELIA FROM INDIVDUALS IVING IN AN ENDEMIC REGION IN INNER MONGOLAI |
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A pilot study was conducted to characterize arsenic exposure and genotoxic effects in Ba Men located in West Central Inner Mongolia in an attempt to identify biomarkers useful for ...
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ASSESSING MULTIMEDIA/MULTIPATHWAY EXPOSURE TO ARSENIC USING A MECHANISTIC SOURCE-TO-DOSE MODELING FRAMEWORK |
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A series of case studies is presented focusing on multimedia/multipathway population exposures to arsenic, employing the Population Based Modeling approach of the MENTOR (Modelin...
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ASSESSING SOIL ARSENIC BIOAVAILABILITY IN THE LABORATORY MOUSE |
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Variation among soils in the bioavailability of arsenic can be a critical determinant of the risk posed by exposure to these soils. Although in vitro techniques can provide vital ...
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ASSESSING SPECIATION AND RELEASE OF HEAVY METALS FROM COAL COMBUSTION PRODUCTS |
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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...
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ASSESSING THE MOBILITY OF ARSENIC IN CONTAMINATED SEDIMENTS |
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The mobility of arsenic is controlled, in part, by partitioning to mineral surfaces in soils and sediments. Determination of the risk posed to human or ecosystem health by arsenic...
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ASSESSING THE ROLE OF NATURAL ATTENUATION FOR INORGANIC CONTAMINANT REMEDIATION IN GROUND WATER |
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Monitored natural attenuation (MNA) has been applied as a knowledge-based remediation technology for organic contaminants in ground water. The application of this technology is be...
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ASSESSMENT OF ARSENIC LOSSES DURING ASHING: A COMPARISON OF TWO METHODS APPLIED TO ATMOSPHERIC PARTICULATES |
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Different techniques applied to split samples of atmospheric aerosol collected on glass-fiber filters indicated that Arsenic was not lost during a low temperature ashing....
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ATMOSPHERIC DEPOSITION OF TOXIC METALS TO LAKE MICHIGAN: PRELIMINARY ANNUAL MODEL CALCULATIONS |
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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...
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ATOMIC ABSORPTION SPECTROMETRIC DETERMINATION OF ARSENITE IN WATER SAMPLES BY GRAPHITE FURNACE AFTER EXTRACTION WITH AMMONIUM SEC-BUTYLDITHIOPHOSPHATE |
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Arsenite - but not arsenate, methylarsonic acid, or dimethylarsinic acid - is extracted from water samples by 5 mL of a 0.01M hexane solution of sec-dibutylthiophosphate. A 10 micr...
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Analysis of Arsenical and Their Sulfur Analogs Using HPLC with Collision Cell ICP-MS and ESI-MS |
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Slide presentation at the 2nd International Congress: Arsenic in the Environment, Valencia, Spain, May 21-23, 2008...
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Analysis of Arsenicals and Their Sulfur Analogs in Biological Samples Using HPLC with Collision Cell ICP-MS and ESI-MS/MS |
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Recent arsenic speciation studies have indicated that the sulfur analogs of the more common arsenic oxides are present in environmental and biological systems. This discovery was p...
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Application Of Synchrotron Techniques To Investigate In-Situ Arsenic Speciation |
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The speciation, or chemical form of elements governs their fate, toxicity, mobility, and bioavailability in contaminated soils, sediments and water as well as food chain transfer m...
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Arsenate and Arsenite Sorption on Magnetite: Relations to Groundwater Arsenic Treatment Using Zerovalent Iron and Natural Attenuation |
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Magnetite (Fe3O4) is a zerovalent iron corrosion product; it is also formed in natural soil and sediment. Sorption of arsenate (As(V)) and arsenite (As(III)) on magnetite is an imp...
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Arsenic (+3 oxidation state) methyltransferase and the methylation of arsenicals in the invertebrate chordate Ciona intestinalis |
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The biotransformation of inorganic arsenic (iAs) involves methylation by an arsenic (+3 oxidation state) methyltransferase (AS3MT), yielding methyl arsenic (MA), dimethyl arsenic ...
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Arsenic Fate, Transport And Stability Study: Groundwater, Surface Water, Soil And Sediment Investigation At Fort Devens Superfund Site |
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A field investigation was conducted to examine the distribution of arsenic in groundwater, surface water, and sediments at the Fort Devens Superfund Site. The study area encompass...
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Arsenic Removal from Drinking Water by Adsorptive Media U.S. EPA Demonstration Project at Alvin, TX, Six-Month Evaluation Report |
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This report documents the activities performed and the results obtained from the first six months of the EPA arsenic removal technology demonstration project at the Oak Manor Munic...
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Arsenic Removal from Drinking Water by Adsorptive Media U.S. EPA Demonstration Project at Dummerston, VT Final Performance Evaluation Report |
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This report documents the activities performed and the results obtained for the arsenic removal treatment technology demonstration project at Charette Mobile Home Park (CMHP) in Du...
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Arsenic Removal from Drinking Water by Adsorptive Media U.S. EPA Demonstration Project at Upper Bodfish in Lake Isabella, CA Interim Evaluation Report |
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This report documents the activities performed during and the results obtained from the first 10 months of system operation of an arsenic (As) and uranium (U) removal technology be...
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Arsenic Removal from Drinking Water by Adsorptive Media U.S. EPA Demonstration Project at Wellman, TX, Six-Month Evaluation Report |
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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...
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Arsenic Removal from Drinking Water by Adsorptive Media USEPA Demonstration Project at Bow, NH Final performance Evaluation Report |
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This report documents the activities performed during and the results obtained from the U.S. Environmental Protection Agency (EPA) arsenic removal treatment technology demonstratio...
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Arsenic Removal from Drinking Water by Adsorptive Media USEPA Demonstration Project at Rimrock AZ Final Performance Evaluation Report |
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This report documents the activities performed during and the results obtained from the arsenic removal treatment technology demonstration project at the Arizona Water Company (AWC...
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Arsenic Removal from Drinking Water by Coagulation/Filtration U.S. EPA Demonstration Project at Sandusky, MI Final Performance Evaluation Report |
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This report documents the activities performed during and the results obtained from the U.S. Environmental Protection Agency (EPA) arsenic removal technology demonstration project ...
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Arsenic Removal from Drinking Water by Coagulation/Filtration U.S. EPA Demonstration Project at Sandusky, MI. Six-Month Evaluation Report |
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This report documents the activities performed during and the results obtained from the first six months of the EPA arsenic removal technology demonstration project at the City of ...
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Arsenic Removal from Drinking Water by Coagulation/Filtration U.S. EPA Demonstration Project at Village of Pentwater, MI. Final performance Evaluation Report |
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This report documents the activities performed during and the results obtained from the arsenic removal treatment technology demonstration project at the Village of Pentwater, MI f...
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Arsenic Removal from Drinking Water by Iron Removal. U.S. EPA Demonstration Project at Sabin, MN. Six-Month Evaluation Report |
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This report documents the activities performed during and the results obtained from the first six months of the EPA arsenic removal technology demonstration project at the Sabin, M...
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Arsenic and Ammonia-Related Drinking Water Research in Region V |
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TTEB is conducting a number of arsenic and ammonia related research with communities in Region V. The objective of this presentation is to provide an overview of some of the key f...
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Assessing Arsenic Removal by Metal (Hydr)Oxide Adsorptive Media Using Rapid Small Scale Column Tests |
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The rapid small scale column test (RSSCT) was use to evaluate the the performance of eight commercially available adsorptive media for the removal of arsenic. Side-by-side tests ...
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BACILLUS ARSENOSELENATIS SP NOV, AND BACILLUS SELENITIREDUCENS S. NOV: TWO HALOALKALIPHILES FROM MONO LAKE, CALIFORNIA, WHICH RESPIRE OXYANIONS OF SELENIUM AND ARSENIC. (R826105) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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BACTERIAL POPULATIONS ASSOCIATED WITH THE OXIDATION AND REDUCTION OF ARSENIC IN AN UNSATURATED SOIL. (R827457E03) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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BACTERIAL RESPIRATION OF ARSENIC AND SELENIUM. (R826105) |
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AbstractOxyanions of arsenic and selenium can be used in microbial anaerobic respiration as terminal electron acceptors. The detection of arsenate and selenate respirin...
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BEHAVIOR OF ARSENIC AND OTHER REDOX-SENSITIVE ELEMENTS IN CROWLEY LAKE, CA: A RESERVOIR IN THE LOS ANGELES AQUEDUCT SYSTEM. (R826202) |
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Elevated arsenic concentrations in Crowley Lake derive from upstream geothermal inputs. We examined the water column of Crowley Lake under stratified and unstratified conditions, s...
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BEHAVIOR OF ARSENIC IN A ROTARY KILN INCINERATOR |
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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...
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BENCH-SCALE TESTING OF SORBENT ADDITIVES FOR TRACE METAL CAPTURE AND RETENTION |
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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...
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BIOACCESSIBILITY OF ARSENIC BOUND TO CORUNDUM USING A SIMULATED GASTROINTESTINAL SYSTEM |
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Ingestion of soil contaminated with arsenic is an important pathway for human exposure to arsenic. The risk posed by ingestion of arsenic-contaminated soil depends on how much arse...
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BIOACCESSIBILITY OF ARSENIC( V )BOUND TO FERRIHYDRITE USING A SIMULATED GASTROINTESTINAL SYSTEM |
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The risk posed from incidental ingestion of arsenic-contaminated soil may depend on sorption of arsenate (As(V)) to oxide surfaces in soil. Arsenate sorbed to ferrihdrite, a model ...
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BIOAVAILABILITY OF ARSENIC AND PHOSPHORUS IN A SANDY SOIL AMENDED WITH WATER TREATMENT RESIDUALS. (R830842) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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BIOAVAILABILITY OF ARSENIC IN CATTLE DIPPING VAT SITE SOILS AS A FUNCTION OF SOIL CHEMISTRY. (R830842) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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BIOAVAILABILITY OF ARSENIC, CHROMIUM, AND COPPER FOR CCA CONTAMINATED SOILS AND DUST |
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It is estimated that 70% of single family homes have pressure-treated wood decks or porches and 14% of playground equipment uses pressure-treated wood. This popular form of wood c...
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BIOAVAILABILITY OF ARSENIC, CHROMIUM, AND COPPER FROM CCA CONTAMINATED SOILS AND DUSTS |
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It is estimated that 70% of single family homes have pressure-treated wood decks or porches and 14% of playground equipment uses pressure-treated wood. This popular form of wood c...
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BIOAVAILABILITY OF METALS IN CONTAMINATED SOIL AND DUST |
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Due to widespread metal contamination, it is necessary to characterize soils suspected of metal contamination and determine if the metal levels in these soils pose a hazard. Met...
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BIOGEOCHEMICAL PROCESSES CONTROLLING ARSENIC SPECIATION AND BIOTRANSFORMATION IN GRANULAR FERRIC HYDROXIDE COATED SAND |
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Arsenic mobilization from solid phase Fe (III) hydroxides is an issue of concern, as water-borne arsenic can migrate into pristine environments, endangering aquatic and human life....
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BIOLOGICAL MONITORING OF TOXIC TRACE METALS. VOLUME 1. BIOLOGICAL MONITORING AND SURVEILLANCE |
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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...
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BIOLOGICAL MONITORING OF TOXIC TRACE METALS. VOLUME 2. TOXIC TRACE METALS IN PLANTS AND ANIMALS OF THE WORLD. PART I |
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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...
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BIOLOGICAL MONITORING OF TOXIC TRACE METALS. VOLUME 2. TOXIC TRACE METALS IN PLANTS AND ANIMALS OF THE WORLD. PART II |
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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...
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BIOLOGICAL MONITORING OF TOXIC TRACE METALS. VOLUME 2. TOXIC TRACE METALS IN PLANTS AND ANIMALS OF THE WORLD. PART III |
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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...
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BIOLOGICAL NITRIFICATION IN A FULL-SCALE AND PILOT-SCALE IRON REMOVAL DRINKING WATER TREATMENT PLANT |
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Ammonia in source waters can cause water treatment and distribution system problems, many of which are associated with biological nitrification. Therefore, in some cases, the remov...
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BIOMARKERS OF EXPOSURE: A CASE STUDY WITH INORGANIC ARSENIC |
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Inorganic arsenic (iAs) is a human toxicant and carcinogen that is found in the environment as a natural contaminant and from anthropogenic sources. Most mammalian species metabol...
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BIOMETHYLATION AND ENVIRONMENTAL TRANSPORT OF METALS |
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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...
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BIOMONITORING OF REACTIVE OXYGEN SPECIES IN BIOLOGICAL FLUIDS |
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Elevated levels of reactive oxygen species (ROS) are associated with several disease processes in humans, including cancer, asthma, diabetes, and cardiac disease. We have explored...
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BIORECOVERY OF METALS FROM ACID MINE DRAINAGE |
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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...
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BIORECOVERY OF METALS FROM ACID MINE DRAINAGE |
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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...
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BIPHASIC REGULATION OF BASE EXCISION DNA REPAIR BY LOW DOSE ARSENIC. (R826135) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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BOLISM OF ARSENITE IN CULTURED PRIMARY HEPATOCYTES FROM SIX MAMMALIAN SPECIES |
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Inorganic arsenic (iAs) is an environmental toxin and carcinogen. Biomethylation is the major pathway for the metabolism of iAs in many mammalian species, including the human. The ...
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BOTH HYPOMETHYLATION AND HYPERMETHYLATION OF DNA ASSOCIATED WITH ARSENITE EXPOSURE IN CULTURES OF HUMAN CELLS IDENTIFIED BY METHYLATION-SENSITIVE ARBITRARILY-PRIMED PCR |
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Differentially Methylated DNA Sequences Associated with Exposure to Arsenite in Cultures of Human Cells Identified by Methylation-Sensitive-Primed PCR
Arsenic, a known hu...
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CALL FOR PAPERS: WORKSHOP ON THE DESIGN AND OPERATION OF ADSORPTIVE MEDIA PROCESSES FOR THE REMOVAL OF ARSENIC FROM DRINKING WATER |
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This is a 2 page brochure "Call for Papers" for the subject workshop held in Cincinnati, OH, 4/10-11/2004....
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CAPILLARY ELECTROPHORESIS COUPLED ON-LINE WITH INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY FOR ELEMENTAL SPECIATION |
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A novel interface to connect a capillary electrophoresis (CE) system with an inductively coupled plasma mass spectrometric (ICPMS) detector is reported here. The interface was buil...
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CAPITAL COSTS OF ARSENIC REMOVAL TECHNOLOGIES, U.S. EPA ARSENIC REMOVAL TECHNOLOGY DEMONSTRATION PROGRAM ROUND 1 |
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On January 18, 2001, the U.S. Environmental Protection Agency (EPA) finalized the maximum contaminant level (MCL) for arsenic at 0.01 mg/L. EPA subsequently revised the rule text t...
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CAPSTONE REPORT ON THE APPLICATION, MONITORING, AND PERFORMANCE OF PERMEABLE REACTIVE BARRIERS FOR GROUND-WATER REMEDIATION: VOL. 1 PERFORMANCE EVALUATIONS AT TWO SITES |
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The purpose of this document is to provide detailed performance monitoring data on full-scale Permeable Reactive Barriers (PRBs) installed to treat contaminated ground water at two...
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CARCINOGENIC EFFECTS OF ARSENIC COMPOUNDS IN DRINKING WATER |
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The primary objective of the research project was to determine whether there was a dose-response effect of arsenite (AsIII) as a promoter of DENA-initiated tumors in the kidneys of...
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CARCINOGENIC POTENTIAL OF ARSENIC COMPOUNDS IN DRINKING WATER |
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The primary objective of the research project was to determine whether arsenite (AsIII), arsenate (AsV), dimethylarsinic (DMA) and monomethylarsonic acid (MA) were initiator carcin...
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CARDIOVASCULAR AND OTHER HEALTH EFFECTS ASSOCIATED WITH ARSENIC EXPOSURE IN INNER MONGOLIA |
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Arsenic exposure is associated with cardiovascular and other health effects. The study objectives were to investigate the mode of action and to assess dose-response relationships o...
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CASE STUDY: SITE CONCEPTUAL MODEL FOR ENHANCED MNA OF ARSENIC |
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Field investigations have been conducted to understand the fate of arsenic in contaminated ground water during discharge into the Halls Brook Holding Area (HBHA) Pond at the Indust...
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CAUSES OF MORTALITY IN AN ARSENIC-AFFECTED AREAS OF INNER MONGOLIA, CHINA |
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Introduction
Shahai is a village in Inner Mongolia, China. In the early 1980s, the primary source of drinking water shifted away from large shallow wells to deeper artesian ...
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CELLULAR METABOLISM AND SYSTEMIC TOXICITY OF ARSENIC. (R826136) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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CELLULAR TOXICITY IN CHINESE HAMSTER OVARY CELL CULTURES. 1. ANALYSIS OF CYTOTOXICITY ENDPOINTS FOR TWENTY-NINE PRIORITY POLLUTANTS |
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Chinese hamster ovary cells were exposed to 29 toxic chemical substances which were representative of several classes of compounds listed by the Natural Resources Defense Council C...
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CHARACTERISTICS OF PILOT- AND FULL-SCALE HAZARDOUS WASTE INCINERATOR ASH |
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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...
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CHARACTERIZATION OF AIR EMISSIONS FROM THE SIMULATED OPEN COMBUSTION OF FIBERGLASS MATERIALS |
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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...
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CHARACTERIZATION OF ARSENOSUGARS AND ASSOCIATED DEGRADATION PRODUCTS FOLLOWING AN AGGRESSIVE ACID/BASE EXTRACTION PROCEDURE |
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The speciation of arsenic in seafood products is important for the determination of an improved toxicity based relative source (water vs. diet) contribution estimate. The two majo...
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CHARACTERIZATION OF BOLIDEN'S SULFIDE - LIME PRECIPITATION PLANT |
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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 ...
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CHARACTERIZATION OF FINE PARTICULATE MATTER PRODUCED BY COMBUSTION OF RESIDUAL FUEL OIL |
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Combustion experiments were carried out on four different residual fuel oils in a 732-kW boiler. PM emission samples were separated aerodynamically by a cyclone into fractions that...
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CHARACTERIZATION OF HUMAN URINARY BLADDER CELL LINE UROTSA TRANSDUCED WITH RAT ASLLL-METHYLTRANSFERASE |
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In humans, the biomethylation of arsenic (As) is catalyzed by an As(III)-methyltransferase (Cyt19) and yields pentavalent and trivalent methylated arsenicals. Cyt19 activity an...
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CHARACTERIZATION OF MERCURY-ENRICHED COAL COMBUSTION RESIDUES FROM ELECTRIC UTILITIES USING ENHANCED SORBENTS FOR MERCURY CONTROL |
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Leaching of mercury and other constituents of potential concern during land disposal or beneficial use of coal combustion residues (CCRs) is the environmental impact pathway evalua...
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CHEMICAL CONTAMINANTS IN NONOCCUPATIONALLY EXPOSED U.S. RESIDENTS |
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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...
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CHEMICAL HYPOTHESIS FOR ARSENIC METHYLATION IN MAMMALS |
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NO ABSTRACT PROVIDED...
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CHEMICAL INTERACTIONS OF ARSENATE, ARSENITE, PHOSPHATE, AND SILICATE WITH IRON (II, III) HYDROXYCARBONATE GREEN RUST |
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Granular zerovalent iron has been proposed to be used as a medium in permeable reactive barriers (PRBs) to remove arsenic from contaminated groundwater. Iron(II, III) hydroxycarbon...
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CHEMICAL INTERACTIONS OF ARSENATE, ARSENITE, PHOSPHATE, AND SILICATE WITH IRON (II, III) HYDROXYCARBONATE GREEN RUST |
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Granular zerovalent iron has been proposed to be used as a medium in permeable reactive barriers (PRBs) to remove arsenic from contaminated groundwater. Iron(II, III) hydroxycarbon...
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CHEMICAL INTERACTIONS OF ARSENATE, ARSENITE, PHOSPHATE, AND SILICATE WITH IRON (II,III) HYDROXYCARBONATE GREEN RUST |
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Granular zerovalent iron has been proposed to be used as a medium in permeable reactive barriers (PRBs) to remove arsenic from contaminated groundwater. Iron(II, III) hydroxycarbon...
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CHEMICAL STABILIZATION OF MIXED ORGANIC AND METAL COMPOUNDS - EPA SITE PROGRAM DEMONSTRATION OF THE SILICATE TECHNOLOGY CORPORATION PROCESS |
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In November 1990, the Silicate Technology Corporation's (STC) proprietary process for treating soil contaminated with toxic semi-volatile organic and inorganic contaminants was eva...
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CHROMATOGRAPHIC SEPARATION AND IDENTIFICATION OF PRODUCTS FROM THE REACTION OF DIMETHYLARSINIC ACID WITH HYDROGEN SULFIDE |
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The reaction of dimethylarsinic acid (DMAV) with hydrogen sulfide (H2S) is of biological significance and may be implicated in the overall toxicity and carcinogenicity of arsenic. ...
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CHROMOSOME STUDIES ON HUMAN SUBJECTS EXPOSED TO ARSENIC IN DRINKING WATER |
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A two-year study was carried out on human subjects of various ages and backgrounds who have been drinking water containing 0.05 mg/l (0.05 ppm) or more arsenic for a period of at l...
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CHRONIC EXPOSURE TO ARSENITE IN DRINKING WATER IMPAIRS GLUCOSE TOLERANCE IN C57BL/6 MICE |
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Chronic exposures to inorganic arsenic (iAs) have been associated with increased prevalence of type 2 diabetes mellitus. This study examines in vivo diabetogenic effects of iAs in ...
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CHURCHILL COUNTY, NEVADA ARSENIC STUDY: WATER CONSUMPTION AND EXPOSURE BIOMARKERS |
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The US Environmental Protection Agency is required to reevaluate the Maximum Contaminant Level (MCL) for arsenic in 2006. To provide data for reducing uncertainties in assessing h...
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CLASTOGENICITY EVALUATION OF SEVEN CHEMICALS COMMONLY FOUND AT UNCONTROLLED INDUSTRIAL WASTE SITES |
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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,...
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CLONING, EXPRESSION, AND CHARACTERIZATION OF RAT S-ADENOSYL-L-METHIONINE: ARSENIC (III) METHYLTRANSFERASE (CYT19) |
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CLONING, EXPRESSION, AND CHARACTERIZATION OF RAT S-ADENOSYL-L-METHIONINE: ARSENIC(III) METHYLTRANSFERASE (cyt19)
Stephen B. Waters1 , Felicia Walton1 , Miroslav Styblo1 , Ka...
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CLONING, EXPRESSION, AND MUTATIONAL ANALYSIS OF RAT S-ADENOSYL-1-METHIONINE: ARSENIC (III) METHYLTRANSFERASE |
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CLONING, EXPRESSION, AND MUTATIONAL ANALYSIS OF RAT
S-ADENOSYL-L-METHIONINE: ARSENIC(III) METHYLTRANSFERASE
Stephen B. Waters, Ph.D., Miroslav Styblo, Ph.D., Melinda A. ...
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CLUSTER ANALYSIS OF GREAT BASIN ECOREGIONS USING R-EMAP STREAM DATA |
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Ecological regions ( ecoregions ) are defined as areas of relative homogeneity in ecosystem type, quality and quantity of environmental resources. Ecoregions are identified by anal...
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COAL GASIFIER PARAMETERS INFLUENCING ENVIRONMENTAL POLLUTANT PRODUCTION |
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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...
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COLLECTION AND ANALYSIS OF NON-INVASIVE BIOMARKERS OF AS EXPOSURE IN HUMANS TO SIMPLY FIELD STUDIES OF AS TOXICITY. |
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Measuring As metabolites in biological matrices provides information about dose- response relationships. We examined toenail and urinary total As (totAs) as biomarkers of exposure...
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COLLECTION OF DESIGN DATA: SITE CHARACTERIZATION FOR PERMEABLE REACTIVE BARRIERS |
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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...
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COLUMN TESTS ON ARSENIC REMEDIATION USING ZEROVALENT IRON |
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It is urgent to find cost-effective remediation technologies to deal with arsenic contamination of groundwater if the current EPA allowable maximum contamination level of 0.05 mg A...
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COMBINATION OF IRON AND MIXED ANAEROBIC CULTURE FOR PERCHLOROETHENE DEGRADATION |
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Permeable reactive barriers (PRB's) are an emerging, alternative in-situ approach for remediating contaminated groundwater that combine subsurface fluid flow management with a pass...
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COMMONALITIES IN METABOLISM OF ARSENICALS |
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Elucidating the pathway of inorganic arsenic metabolism shows that some of methylated arsenicals formed as intermediates and products are reactive and toxic species. Hence, methyl...
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COMMUNITY HEALTH ASSOCIATED WITH ARSENIC IN DRINKING WATER IN MILLARD COUNTY, UTAH |
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This study evaluates the health effects of arsenic in drinking water at levels approximately four times the maximum allowed by the National Interim Primary Drinking Water Regulatio...
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COMPARATIVE GENOTOXIC RESPONSES TO ARSENITE IN GUINEA PIG, MOUSE, RAT AND HUMAN LYMPHOCYTES |
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Comparative genotoxic responses to arsenite in guinea pig, mouse, rat and human
lymphocytes.
Inorganic arsenic is a known human carcinogen causing skin, lung, and bladde...
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COMPARATIVE IN VITRO METHYLATION OF TRIVALENT AND PENTAVALENT ARSENIC SPECIES |
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The time course and extent of methylation of 1 uM arsenite (iAsIII), arsenate (iAsV), methylarsenite (MeAsV), methylarsenate (MeAsV) and MeAsIII - diglutathione complex (MAsIII(GS)...
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COMPARATIVE METABOLISM OF ARSENIC IN MICE AFTER A SINGLE OR REPEATED ORAL ADMINISTRATION OF ARSENATE |
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COMPARATIVE METABOLISM OF ARSENIC IN MICE AFTER A SINGLE OR REPEATED ORAL ADMINISTRATION OF ARSENATE
Michael F. Hughes*1, Elaina M. Kenyon1, Brenda C. Edwards1, Carol T. Mitchel...
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COMPARATIVE REGULATION OF NRK-52E AND HK-2 KIDNEY CELL DEATH PATHWAYS IN VITRO BY ARSENIC (AS3+), CADMIUM(CD2+) AND AS X CD COMBINATIONS. (R827161) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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COMPARATIVE TISSUE DISTRIBUTION AND URINARY EXCRETION OF INORGANIC ARSENIC (IAS) AND ITS METHYLATED METABOLITES IN MICE FOLLOWING ORAL ADMINISTRATION OF ARSENATE (ASV) AND ARSENITE (ASIII) |
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COMPARATIVE TISSUE DISTRIBUTION AND URINARY EXCRETION OF INORGANIC ARSENIC (iAs) AND ITS METHYLATED METABOLITES IN MICE FOLLOWING ORAL ADMINISTRATION OF ARSENATE (AsV) AND ARSENITE...
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COMPARATIVE TOXICITY OF ARSENIC COMPOUNDS AND THEIR ACCUMULATION IN INVERTEBRATES AND FISH |
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The toxicity of arsenic III, arsenic V, sodium dimethyl arsenate, and disodium methyl arsenate to stoneflies, snails, amphipods, and trout, and the bioaccumulation of these compoun...
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COMPARING THE UTILITY OF MULTIMEDIA MODELS FOR HUMAN AND ECOLOGICAL EXPOSURE ANALYSIS: TWO CASES |
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A number of models are available for exposure assessment; however, few are used as tools for both human and ecosystem risks. This discussion will consider two modeling frameworks t...
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COMPARISON BETWEEN ZEEMAN AND CONTINUUM BACKGROUND CORRECTION FOR GRAPHITE FURNACE AAS ON ENVIRONMENTAL SAMPLES |
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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...
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COMPARISON OF A CHEMICAL AND ENZYMATIC EXTRACTION OF ARSENIC FROM RICE AND AN ASSESSMENT OF THE ARSENIC ABSORPTION FROM CONTAMINATED WATER BY COOKED RICE |
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Rice represents a unique set of arsenic exposure assessment challenges in that it contains relatively high concentrations of arsenic and it absorbs about 100% of its dry weight in ...
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COMPARISON OF GENE EXPRESSION IN KIDNEY AND URINARY BLADDER FROM RATS TREATED WITH DIMETHYLARSINIC ACID |
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Arsenic is widespread in the environment and a human carcinogen. A major metabolite of inorganic arsenic (iAs) in most species, including humans, is dimethylarsinic acid (DMA), whi...
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COMPARISON OF IN VITRO AND IN VIVO RESPONSES TO ARSENIC: GENE EXPRESSION PROFILING IN NORMAL HUMAN EPIDERMAL KERATINOCYTES AND HYPERKERATOSES FROM ARSENIC-EXPOSED HUMANS |
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Chronic exposure to arsenic is positively associated with skin, urinary bladder, lung, liver and kidney cancer development in humans. Elucidating the mode of action of arsenic carc...
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COMPARISON OF METALS IN HUMAN MILK AND URINE USING TRACE MULTIELEMENT ANALYSES |
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Healthy, nonsmoking women from 18-38 years old twice donated milk and urine (2-7 weeks and 3-4 months postpartum) as part of the EPA's Methods Advancement for Milk Analysis study, ...
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COMPARISON OF SEQUENTIAL EXTRACTION PROCEDURES FOR PARTITIONING OF ARSENIC ON SOIL AND SEDIMENT MINERALS |
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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....
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COMPARISON OF THE URINARY METABOLITES OF RATS, MICE, AND HUMANS AFTER ORAL ARSENIC EXPOSURE FOCUSING ON THIOARSENICALS |
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Urinary metabolites of arsenic are useful as biomarkers of exposure because ingested arsenic is excreted primarily in urine1. Complete urinary arsenic speciation can provide insigh...
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COMPARISON OF TWO ARSENIC EXPOSURE ASSESSMENT PROTOCOLS IN A CHRONICALLY EXPOSED POPULATION |
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Consistent with the US EPA 1997 Arsenic Research Plan's emphasis on studies in US populations to obtain data to support a revised Maximum Contaminant Level (MCL) for arsenic, two...
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COMPARISON OF TWO ARSENIC EXPOSURE REGIMES IN A CHRONICALLY EXPOSED POPULATION |
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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....
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COMPLEMENTARY APPROACHES TO THE DETERMINATION OF ARSENIC SPECIES RELEVANT TO CONCENTRATED ANIMAL FEEDING OPERATIONS |
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Ion-exchange chromatography is the most often used analytical approach for arsenic
speciation, due to the weak-acid nature of several of its species. However, no single
<...
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COMPLEMENTARY APPROACHES TO THE DETERMINATIONOF ARSENIC SPECIES RELEVANT TO CONCENTRATED ANIMAL FEEDING OPERATIONS |
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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....
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COMPLEMENTARY MOLECULAR AND ELEMENTAL DETECTION OF SPECIATED THIOARSENICALS USING ESI-MS IN COMBINATION WITH A XENON-BASED COLLISION-CELL ICP-MS WITH APPLICATION TO FORTIFIED NIST FREEZE-DRIED URINE |
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The simultaneous detection of arsenic and sulfur in thio-arsenicals was achieved using xenonbased collision cell ICP-MS in combination with HPLC. In an attempt to minimize the 16O1...
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COMPREHENSIVE ANALYSIS OF BIOLOGICALLY RELEVANT ARSENICALS BY PH-SELECTIVE HYDRIDE GENERATION-ATOMIC ABSORPTION SPECTROMETRY |
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A method based on pH-selective generation and separation of arsines is commonly used for analysis of inorganic, methylated, and dimethylated trivalent and pentavalent arsenical...
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COMPUTATIONAL MODELING TO EVALUATE CANDIDATE MODES OF ACTION FOR THE CARCINOGENICITY OF ARSENIC. |
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Developing a computational model of a mode of action is to first develop a qualitative map of key events....
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CONDITION OF ESTUARIES OF CALIFORNIA FOR 1999: A STATISTICAL SUMMARY |
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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...
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CONDITION OF ESTUARIES OF THE WESTERN UNITED STATES FOR 1999: A STATISTICAL SUMMARY |
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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...
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CONSEQUENCES OF ACUTE AND CHRONIC EXPOSURE TO ARSENIC |
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Arsenic is a toxic chemical and may cause adverse health effects in children and adults. It is known to affect the nervous, gastrointestinal, and hematological systems and cause sk...
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CONTAMINANTS AND REMEDIAL OPTIONS AT SELECTED METAL-CONTAMINATED SITES |
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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...
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CONTAMINANTS AND REMEDIAL OPTIONS AT WOOD PRESERVING SITES |
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This document provides information that facilitates characterization of the site and selection of treatment technologies at wood preserving sites, to meet the regulationsā acceptab...
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CONTAMINANTS IN FISH |
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The objective of this study was to determine inorganic and organic contaminant concentrations in edible tissue of fish collected from eight coastal areas receiving wastewater disc...
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CONTAMINATION OF PUBLIC GROUND WATER SUPPLIES BY SUPERFUNDSITES |
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Multiple sources of contamination can affect ground water supplies, including municipal landfills, industrial operations, leaking underground storage tanks, septic tank systems, an...
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CONTROLLING ARSENIC AND OTHER CONTAMINANTS BY POINT-OF-USE TREATMENT |
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Arsenic and other inorganic contaminants are being found in many small community and individual water supplies. One possible treatment solution for the inorganic contaminants that ...
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CONTROLLING ARSENIC, FLUORIDE, AND URANIUM BY POINT-OF-USE TREATMENT |
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Arsenic and other inorganic contaminants are found in the water supplies of many small communities. One possible solution for the problem of inorganic contaminants is point-of-use ...
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COPPER, CHROMIUM, AND ARSENIC ADSORPTION AND EQUILIBRIUM MODELING IN AN IRON-OXIDE-COATED SAND, BACKGROUND ELECTROLYTE SYSTEM. (R825689C024) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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COST ANALYSIS OF PERMEABLE REACTIVE BARRIERS FOR REMEDIATION OF GROUND WATER |
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ABSTRACT
Permeable reactive barriers (PRB's) are an emerging, alternative in-situ approach for remediating contaminated groundwater that combine subsurface fluid flow manag...
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COST OF TECHNOLOGY DEMONSTRATION PROJECTS CAPITAL COST |
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This presentation summarizes the capital costs of various arsenic removal systems demonstrated in Round 1 and 2. These costs include equipment, installation and engineering and com...
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CUMULATIVE EXPOSURE TO ARSENIC AND ITS RELATIONSHIP TO RESPIRATORY CANCER AMONG COPPER SMELTER EMPLOYEES |
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To explore the role of arsenic as a human carcinogen, the respiratory cancer mortality experience (1938 to 1977) of 8,045 white male smelter employees in Montana was examined relat...
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Characterization Of Environmentally Relevant Chemical And Physical Properties Of Silver Nano-Particles |
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Understanding and predicting the fate and transport of nano-materials in the environment requires a detailed characterization of the chemical and physical properties that control f...
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Comparison of Arsenic Concentrations in Carcass and Viscera of Swim-up Rainbow Trout Exposed to Dietary and Waterborne Arsenic |
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Rainbow trout fry were exposed to arsenic in water only, diet only, or both diet and water in 28-d studies evaluating survival and growth. Diets consisted of Lumbriculus variegatu...
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Coprecipitation of Arsenate and Arsenite with Green Rust Minerals |
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The objectives of this experiment were to evaluate the extent and nature of arsenic co-precipitation with green rusts and to examine the influence of arsenic incorporation on the m...
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DATA BASE FOR INFLUENT HEAVY METALS IN PUBLICLY OWNED TREATMENT WORKS |
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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...
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DECHLORINATION OF TRICHLOROETHYLENE USING ELECTROCHEMICAL METHODS |
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Electrochemical degradation (ECD) is used to decontaminate organic and inorganic contaminants through oxidative or reductive processes. The ECD of Trichloroethylene (TCE) dechlorin...
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DECHLORINATION OF TRICHLOROETHYLENE USING ELECTROCHEMICAL METHODS |
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Electrochemical degradation (ECD) is used to decontaminate organic and inorganic contaminants through oxidative or reductive processes. The ECD of Trichloroethylene (TCE) dechlorin...
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DEMONSTRATION BULLETIN: MOLECULAR BONDING SYSTEM FOR HEAVY METALS STABILIZATION - SOLUCORP INDUSTRIES LTD. |
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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...
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DEPOSITION AND FATE OF ARSENIC IN IRON- AND ARSENIC-ENRICHED RESERVOIR SEDIMENTS. (R826202) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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DESIGN MANUAL - REMOVAL OF ARSENIC FROM DRINKING WATER SUPPLIES BY ADSORPTIVE MEDIA |
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This design manual is an in-depth presentation of the steps required to design and operate a water treatment plant for removal of excess arsenic from drinking water using the adsor...
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DESIGN MANUAL - REMOVAL OF ARSENIC FROM DRINKING WATER SUPPLIES BY ION EXCHANGE |
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This design manual is an in-depth presentation of the steps required to design and operate a water treatment plant for removal of excess arsenic from drinking water using the anion...
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DETECTION AND QUANTIFICATION OF A THIO-ARSENOSUGAR IN MARINE MOLLUSKS BY IC-ICP-MS WITH AN EMPHASIS ON THE INTERACTION OF ARSENOSUGARS WITH SULFIDE |
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Arsenosugars can make up a significant portion of the total arsenic in shellfish. These arsenosugars can be present in their oxide or sulfide form. IC-ICP-MS and IC-ESI-MS/MS dat...
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DETECTION AND QUANTIFICATION OF THIO-ARSENOSUGAR IN MARINE MOLLUSKS BY IC-ICP-MS WITH AN EMPHASIS ON THE INTERACTION OF ARSENOSUGARS WITH SULFIDE AS A FUNCTION OF PH |
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The sulfar analog of As(328)(2,3-dihydroxypropyl-5-deoxy-5-dimethylarsinoyl-Ć-D-riboside), abbreviated (As(328-S), was detected and quantified in five species of marine shellfish u...
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DETECTION OF 3 H AND 85KR IN GROUNDWATER FROM ARSENIC-BEARING CRYSTALLINE BEDROCK OF THE GOOSE RIVER BASIN, MAINE |
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Young groundwater from various depths in crystalline bedrock of the Goose River basin, mid-coastal Maine, is documented from 85Kr isotope age analyses (1963 ? 1987) but not from 3...
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DETECTION OF ARSENOSUGARS FROM KELP EXTRACTS VIA IC-ELECTROSPRAY IONIZATION-MS-MS AND IC MEMBRANE HYDRIDE GENERATION ICP-MS |
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The selectivity and the ability to obtain structural information from detection schemes used in arsenic speciation research are growing analytical requirements driven by the growin...
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DETECTION OF DNA FRAGMENTATION IN BUCCAL CELLS FROM INDIVIDUALS CHRONICALLY EXPOSED TO ARSENIC VIA DRINKING WATER. |
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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....
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DETECTION OF GROUNDWATER AGES WITH 85 KR IN ARSENIC-BEARING, FRACTURED CRYSTALLINE BEDROCK OF THE GOOSE RIVER BASIN, MAINE |
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Young groundwater from various depths in crystalline bedrock of the Goose River basin, mid-coastal Maine, is documented from 85Kr isotope age analyses (1963 ? 1987) but not from 3...
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DETERMINATION OF A VETERINARY PROPHYLACTIC PHARMACEUTICAL AND ITS TRANSFORMATION PRODUCTS IN CHICKEN EXCRETA BY CAPILLARY ELECTROPHORESIS - UV AND CAPILLARY ELECTROPHORESIS - INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY |
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Arsenic animal-feed additives have been extensively used in the United States for their growth- promoting and disease-controlling properties. In particular, most broiler chickens ...
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DETERMINATION OF ARSENIC AND ARSENICALS IN FOODS AND OTHER BIOLOGICAL MATERIALS |
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An extensive review is presented on methodology for the determination of arsenic and its compounds. The review includes collection and storage of samples and sample preparation for...
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DETERMINATION OF ARSENIC AS THE OXIDATE BY ION CHROMATOGRAPHY |
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The report describes an analysis of arsenic as the oxo anion. The procedure involves oxidation of the arsenic to arsenate in an aqueous solution and injection onto an anion separat...
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DETERMINATION OF ARSENIC BY HPLC-ELECTROTHERMAL ATOMIC ABSORPTION SPECTROPHOTOMETRY |
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It has been shown that arsenic is incorporated into the tissues of marine, freshwater and mammalian organisms. It has also been demonstrated that various forms of the arsenicals ar...
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DETERMINATION OF HEAVY METALS AND PESTICIDES IN GINSENG PRODUCTS |
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Medicinal plants may carry residuals of environmentally persistent pesticides or assimilate heavy metals in varying degrees. Several factors may influence contaminant accumulation...
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DETERMINATION OF METALS IN COMPOSITE DIET SAMPLES BY ICP-MS |
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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...
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DETERMINATION OF ROXARSONE, AN ARSENIC ANIMAL-FEED ADDITIVE, AND ITS TRANSFORMATION PRODUCTS IN CHICKEN MANURE BY CE-ICPMS AND HPLC-ICPMS |
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Disposal of arsenic-bearing wastes from poultry houses is currently unregulated and poses a potential environmental concern. Determination of roxarsone and its transformati...
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DETERMINATION OF ROXARSONE, AN ARSENIC ANIMAL-FEED ADDITIVE. AND ITS TRANSFORMATION PRODUCTS IN CHICKEN MANURE BY CE-ICPMS AND UHPLC -ICPMS |
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Arsenic animal-feed additives have been extensively used in the United States for their growth- promoting and disease-controlling properties. In particular most broiler chickens ar...
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DETERMINATION OF THE RATES AND PRODUCTS OF FERROUS IRON OXIDATION IN ARSENIC-CONTAMINATED POND WATER. |
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Dissolved ferrous iron and arsenic in the presence of insufficient oxygenated ground water is released into a pond. When the mixing of ferrous iron and oxygenated water within the...
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DETERMINATION OF TRIVALENT METHYLATED ARSENIC SPECIES IN WATER, CULTURED RAT HEPATOCYTES AND HUMAN URINE |
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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....
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DETERMINATION OF URINARY TRIVALENT ARSENICALS (MMASIII AND DMASIII) IN INDIVIDUALS CHRONICALLY EXPOSED TO ARSENIC |
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DETERMINATION OF URINARY TRIVALENT ARSENICALS (MMAsIII and DMAsIII) IN INDIVIDUALS CHRONICALLY EXPOSED TO ARSENIC.
L. M. Del Razo1, M. Styblo2, W. R. Cullen3, and D.J. Thomas4....
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DETERMINATION ROXARSONE AND ITS TRANSFORMATION PRODUCTS USING CAPILLARY ELECTROPHORESIS COUPLED TO ICP-MS |
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Roxarsone (3-nitro-4-hydroxyphenyl-arsonic acid) is one of the most widely used growthpromoting and disease-controlling feed additives in the United States. Most broiler chickens a...
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DEVELOPING A FRAMEWORK FOR PERFORMANCE MONITORING TO ASSESS THE USE OF MONITORED NATURAL ATTENUATION FOR REMEDIATION OF INORGANIC CONTAMINANTS IN GROUND WATER |
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The USEPA is leading an effort to develop technical documentation that provides the policy, scientific and technical framework for assessing the viability of MNA for inorganic cont...
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DEVELOPING A TECHNICAL BASIS FOR REDUCING RISK FROM ARSENIC EXPOSURE IN WATER RESOURCES ACROSS THE UNITED STATES |
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Successful prevention of public exposure to arsenic in ground-water resources impacted by natural sources or contaminated sites is dependent on scientifically-based strategies for ...
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DEVELOPMENT OF A HUMAN PHYSIOLOGICALLY-BASED PHARMACOKINETIC (PBPK) MODEL FOR INORGANIC ARSENIC AND ITS MONO- AND DI-METHYLATED METABOLITES |
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A physiologically-based pharmacokinetic (PBPK) model was developed to estimate levels of arsenic and its metabolites in human tissues and urine after oral exposure to either arsena...
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DEVELOPMENT OF A ROUTINE ANALYTICAL METHOD FOR ARSENIC SPECIATION IN HUMAN URINE SAMPLES |
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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....
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DEVELOPMENT OF A STRATEGY FOR SAMPLING TREE RINGS |
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A method for determining retrospective pollution levels has been investigated. This method relates arsenic concentration in tree rings to arsenic-in-air concentrations based qualit...
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DEVELOPMENT OF A TIE METHOD FOR CHARACTERIZING ANIONIC METALS IN MARINE SEDIMENTS |
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Several methods have been developed for characterizing and identifying toxicants in whole marine sediments including organic pollutants, cationic metals and ammonia. To date, a ...
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DEVELOPMENT OF AN ANALYTICAL METHOD FOR ASSESSING ARSENIC DISTRIBUTIONS IN HUMAN URINE |
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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....
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DEVELOPMENT OF LAND DISPOSAL DECISIONS FOR METALS USING MINTEQ SENSITIVITY ANALYSES |
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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...
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DEVELOPMENT OF PHYSIOLOGICALLY BASED PHARMACOKINETIC MODEL FOR ARSENIC |
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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....
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DEVELOPMENT OF ULTRATRACE LASER SPECTROMETRY TECHNIQUES FOR MEASUREMENTS OF ARSENIC |
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Development of Arsenic Speciation Techniques Based on High Performance Liquid Chromatography and Atomic Fluorescence Spectrometry
J.B. Simeonsson, H.D. Beach and D.J. Th...
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DIETARY ARSENIC EXPOSURE ASSESSMENT USING ENZYMATIC BASED EXTRACTION CONDITIONS AND DETECTION OF URINARY THIO-ARSENICALS AS METABOLITES OF EXPOSURE |
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This slide presentation was given at the 7th International Conference of Environmental and Biological Aspects of Main-Group Organometallics, Heraklion, Crete, Greece, October 10-12...
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DIETARY ARSENIC EXPOSURE ASSESSMENT USING ENZYMATIC BASED EXTRACTION CONDITIONS AND DETECTION OF URINARY THIO-ARSENICALS AS METABOLITES OF EXPOSURE - MCEARD2 |
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Inorganic arsenic is classified as a carcinogen and has been linked to lung and bladder cancer as well as other non-cancerous health effects. Because of these health effects the U....
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DIETARY FOLATE DEFICIENCY ENHANCES ARSENIC-INDUCED MICRONUCLEUS FORMATION IN MICE |
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Dietary folate deficiency enhances arsenic-induced micronucleus formation in mice.
Folate deficiency increases background levels ofDNA damage and can enhance the mutage...
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DIETARY FOLATE DEFICIENCY ENHANCES INDUCTION OF MICRONUCLEI BY ARSENIC IN MICE |
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Folate deficiency increases background levels of DNA damage and can enhance the genotoxicity of chemical agents. Arsenic, a known human carcinogen present in drinking water suppli...
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DIFFERENTIAL ACTIVATION OF AP-1 IN HUMAN BLADDER EPITHELIAL CELLS BY INORGANIC AND METHYLATED ARSENICALS |
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Differential Activation of AP-1 in Human Bladder Epithelial Cells by Inorganic and Methylated Arsenicals
Zuzana Drobna, Ilona Jaspers, David J. Thomas, and Miroslav Styblo |
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DIMETHYLARSINE AND TRIMETHYLARSINE ARE POTENT GENOTOXINS IN VITRO. |
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Dimethylarsine and Trimethylarsine are potent genotoxins in vitro
Andrewes, P; Kitchin, KT; and Wallace, KA
Abstract
The mechanism of arsenic carcinogenesis is unclear...
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DIMETHYLARSINIC ACID ALTERS EXPRESSION OF OXIDATIVE STRESS AND DNA REPAIR GENES IN A DOSE DEPENDENT MANNER IN THE TRANSITIONAL EPITHELIUM OF THE URINARY BLADDER FROM FEMALE F344 RATS. |
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Dose-dependent alteration of oxidative stress and DNA repair gene expression by Dimethylarsinic acid [DMA(V)] in transitional epithelium of urinary bladder from female F344 rats. |
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DIMETHYLITHIOARSINIC ANHYDRIDE: A STANDARD FOR ARSENIC SPECIATION |
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Recently, sulfar analogs of well know arsenicals have been identfied in biolgical, dietary and environmental matrices. These discoveries have generated a need for stable species-s...
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DIMETHYLTHIOARSINIC ANHYDRIDE: A STANDARD FOR ARSENIC SPECIATION |
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Dimethylthioarsinic acid (DMTAV) has recently been identified in biological, dietary and environmental matrices. The relevance of this compound to the toxicity of arsenic in human...
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DIRECT-ACTING, DNA-DAMAGING AS (III)-METHYLATED SPECIES: IMPLICATIONS FOR A CARCINOGENIC MECHANISM OF ACTION OF ARSENICALS |
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Direct-acting, DNA-damaging As (III)-methylated species: implications for a carcinogenic . mechanism of action of arsenicals
Inorganic arsenic (iAs, arsenite and arsenate)...
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DISPOSITION OF ARSENIC IN THE MOUSE AFTER REPEATED ORAL EXPOSURE |
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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....
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DISSOCIATION OF ARSENITE-PEPTIDE COMPLEXES: TRIPHASIC NATURE, RATE CONSTANTS, HALF LIVES AND BIOLOGICAL IMPORTANCE |
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We determined the number and the dissociation rate constants of different complexes formed from arsenite and two peptides containing either one (RV AVGNDYASGYHYGV for peptide 20) o...
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DISTRIBUTION OF ARSENIC IN CHEMICALLY VARIANT DIPPING VAT SITE SOILS. (R830842) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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DISTRIBUTION OF TRACE ELEMENT EMISIONS FROM THE LIQUID INJECTION INCINERATOR COMBUSTION RESEARCH FACILITY |
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A series of tests was conducted at EPA's Combustion Research Facility (CRF) to investigate the fate of volatile trace elements in liquid injection hazardous waste incineration. In ...
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DISTRIBUTION SYSTEM ISSUES |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Iron based treatment technologies including iron remova...
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DISTRIBUTION SYSTEMS AS CONTAMINATION RESERVOIRS: IS A NEW PARADIGM NEEDED FOR TREATMENT AND MONITORING? |
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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...
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DISTRIBUTION SYSTEMS AS RESERVOIRS AND REACTORS FOR INORGANIC CONTAMINANTS |
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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...
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DIVERSITY OF ARSENIC METABOLISM IN CULTURED HUMAN CANCER CELL LINES |
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Diversity of arsenic metabolism in cultured human cancer cell lines.
Arsenic has been known to cause a variety of malignancies in human. Pentavalent As (As 5+) is reduced t...
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DIVERSITY OF ARSENIC METABOLISM IN CULTURED HUMAN CANCER CELL LINES. |
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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....
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DNA DAMAGE INDUCED BY METHYLATED TRIVALENT ARSENICALS IS MEDIATED BY REACTIVE OXYGEN SPECIES |
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Abstract
Arsenic is a human carcinogen; however; the mechanisms of arsenic's induction of carcinogenic effects have not been identified clearly. We have shown previously t...
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DNA DAMAGE INDUCED BY METHYLATED TRIVALENT ARSENICALS IS MEDIATED BY REACTIVE OXYGEN SPECIES |
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Abstract
Arsenic is a human carcinogen; however, the mechanisms of arsenic's induction of carcinogenic effects have not been identified clearly. We have shown previously that mo...
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DNA DAMAGE REPAIR AND CELL CYCLE CONTROL: A NATURAL BIO-DEFENSE MECHANISM |
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DNA DAMAGE REPAIR AND CELL CYCLE CONTROL: A natural bio-defense mechanism
Anuradha Mudipalli.
Maintenance of genetic information, including the correct sequence of nucleo...
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DO ARSENOSUGARS POSE A RISK TO HUMAN HEALTH: THE COMPARATIVE TOXICITIES OF A TRIVALENT AND PENTAVALENT ARSENOSUGAR |
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Seafood frequently contains high concentrations of arsenic (~10 - 100 mg/kg dry weight). In marine algae (seaweed) this arsenic occurs predominantly as ribose derivatives known col...
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DOES BIOMETHYLATION CONTRIBUTE TO THE TOXICITY AND GENOTOXICITY OF ARSENIC? |
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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....
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DOES DISSOLVED INORGANIC CARBON PLAY A ROLE IN ARSENIC MOBILIZATION? |
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Recent experimental results provide evidence that dissolved inorganic carbon plays a direct role in mobilizing arsenic in anoxic aquatic environments. This hypothesis is partially...
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DOES RESPONSE EVALUATION OF GENE EXPRESSION PROFILES IN THE SKIN OF K6/ODC MICE EXPOSED TO SODIUM ARSENITE |
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Abstract - Chronic drinking water exposure to inorganic arsenic and its metabolites increases tumor frequency in the skin of K6/ODC transgenic mice. To identify potential biomarke...
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DOSE DEPENDENT DISPOSITION OF SODIUM ARSENATE IN MICE FOLLOWING ACUTE ORAL EXPOSURE |
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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, ...
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DOSE-RESPONSE RELATIONSHIPS FOR THE EXCRETION OF METHYLATED ARSENICALS IN URINE BY INDIVIDUALS CHRONICALLY EXPOSED TO INORGANIC ARSENIC |
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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....
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DOSE-RESPONSE STUDIES OF SODIUM ARSENITE IN THE SKIN OF K6/ODC TRANSGENIC MOUSE |
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It has previously been observed that chronic exposure to inorganic arsenic and/or its metabolites increase(s) tumor frequency in the skin of K6/ODC transgenic mice. To identi...
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DRINKING WATER ARSENIC AND PERINATAL OUTCOMES |
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Drinking Water Arsenic and Perinatal Outcomes
DT Lobdell, Z Ning, RK Kwok, JL Mumford, ZY Liu, P Mendola
Many studies have documented an association between drinking wate...
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DRINKING WATER ARSENIC EXPOSURE AND BLOOD PRESSURE IN HEALTHY WOMEN OF REPRODUCTIVE AGE IN INNER MONGOLIA, CHINA |
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The extremely high exposure levels evaluated in prior investigations relating elevated levels of drinking water arsenic and hypertension prevalence make extrapolation to potential ...
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DRINKING WATER ARSENIC IN THE UNITED STATES: EVIDENCE AND PLANNING FOR FUTURE STUDIES |
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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....
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DRINKING WATER ARSENIC IN THE UNITED STATES: NEW FINDINGS AND FUTURE DIRECTIONS |
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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....
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DRINKING WATER ARSENIC IN UTAH: A COHORT MORTALITY STUDY |
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The association of drinking water arsenic and mortality outcome was investigated in a cohort of residents from Millard County, Utah. Median drinking water arsenic concentrations fo...
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DRINKING WATER ARSENIC: THE MILLARD COUNTY, UTAH MORTALITY STUDY |
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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....
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DRINKING WATER HEALTH EFFECTS RESEARCH AT EPA: AN OVERVIEW |
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Abstract: The Environmental Protection Agency is required under the Safe Drinking Water Act to
promulgate National Primary Drinking Water Regulations for contaminants in pub...
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DRINKING WATER MULTI-YEAR PLAN |
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The Safe Drinking Water Act Amendments of 1996 direct EPA to conduct research to strengthen the scientific foundation for standards that limit public exposure to drinking water con...
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Development of a Biologically Based Dose Response (BBDR) Model for Arsenic Induced Cancer (S) |
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Discuss the development of a biologically based dose response (BBDR) model for arsenic carcinogenicity in order to reduce uncertainty in estimates of low dose risk by maximizing th...
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Development of a biologically based dose response (BBDR) model for arsenic induced cancer |
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We are developing a biologically based dose response (BBDR) model for arsenic carcinogenicity in order to reduce uncertainty in estimates of low dose risk by maximizing the use of ...
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Drinking Water Contaminants Research Findings |
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The presentation provides a short summary of the USEPA arsenic removal demonstration program. The summary included the results of the arsenic demonstration project in Arnaudville,...
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EFFECT OF ARSENIC ON TRANSCRIPTION FACTOR AP-1 AND NF-KAPPA B DNA BINDING ACTIVITY AND RELATED GENE EXPRESSION. (R826135) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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EFFECT OF ARSENICALS ON CELL CYCLE DISTRIBUTION AND EXPRESSION OF CELL CYCLE PROTEINS IN HUMAN PRIMARY KERATINOCYTES |
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Environmental exposure to arsenic is a major public health concern. Epidemiological studies have demonstrated a strong correlation between levels of arsenic in drinking water and i...
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EFFECT OF ARSENICALS ON THE EXPRESSION OF CELL CYCLE PROTEINS AND EARLY SIGNALING EVENTS IN PRIMARY HUMAN KERATINOCYTES. |
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Effect of Arsenicals on the Expression of Cell Cycle Proteins and Early Signaling Events in Primary Human Keratinocytes.
Mudipalli, A, Owen R. D. and R. J. Preston, Environm...
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EFFECT OF ARSENICALS ON ULTRAVIOLET-RADIATION-INDUCED GROWTH ARREST AND RELATED SIGNALING EVENTS IN HUMAN KERATINOCYTES |
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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 ...
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EFFECT OF DIETARY FOLATE DEFICIENCY ON ARSENIC GENOTOXICITY IN MICE |
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Arsenic, a human carcinogen found in drinking water supplies throughout the world, is clastogenic in human and rodent cells. An estimated ten percent of Americans are deficient in ...
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EFFECT OF DOSE ON THE EXCRETION AND METABOLISM OF MONOMETHYLARSONIC ACID IN THE MOUSE |
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EFFECT OF DOSE ON THE EXCRETION AND METABOLISM OF MONOMETHYLARSONIC ACID IN THE MOUSE
M F Hughes1, V Devesa2, B C Edwards1, C T Mitchell1, E M Kenyon1, and D J Thomas1. 1US EPA...
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EFFECT OF EXPOSURE PROTOCOL AND HEAT SHOCK PROTEIN EXPRESSION ON ARSENITE INDUCED GENOTOXICITY IN MCF-7 BREAST CANCER CELLS |
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Effect of exposure protocol and heat shock protein expression on arsenite induced genotoxicity in MCF-7 breast cancer cells
The genotoxic effects of arsenic (As) are w...
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EFFECT OF IMPURITIES ASSOCIATED WITH ALUMINOSILICATES ON ARSENIC SORPTION AND OXIDATION |
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Arsenite, As(III), and arsenate, As(V), are of increasing environmental concern. Risk assessment and risk management of arsenic contaminated sites requires a better understanding ...
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EFFECTS OF ARSENIC EXPOSURE ON THE FREQUENCY OF HPRT-MUTANT LYMPHOCYTES IN A POPULATION OF COPPER ROASTERS IN ANTOFAGASTA, CHILE: A PILOT STUDY |
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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....
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EFFECTS OF ARSENIC TRIOXIDE INHALATION EXPOSURE ON PULMONARY ANTIBACTERIAL DEFENSES IN MICE |
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The effects of single and multiple (5 and 20) 3 hr inhalation exposures to aerosols of arsenic trioxide on the pulmonary defense system of mice were investigated. Arsenic trioxide ...
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EFFECTS OF ARSENITE IN TELOMERE AND TELOMERASE IN RELATION TO CELL PROLIFERATION AND APOPTOSIS IN HUMAN KERATINOCYTES AND LEUKEMIA CELLS IN VITRO |
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Telomeres are critical in maintaining chromosome and genomic stability. Arsenic, a human carcinogen as well as an anticancer agent, is known for its clastogenicity. To better under...
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EFFECTS OF ARSENITE ON INFLAMMATORY RESPONSES OF HUMAN BRONCHIAL EPITHELIAL CELLS |
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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....
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EFFECTS OF DIETARY COPPER, ZINC, LEAD, CADMIUM, AND ARSENIC ON GROWTH AND SURVIVAL OF JUVENILE FISH USING LIVE FOOD ORGANISMS |
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Except for certain organometallic compounds, dietary exposures of aquatic organisms to metal/metalloids have received little regulatory attention. However, various studies have sug...
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EFFECTS OF DIETARY FOLATE ON ARSENIC-INDUCED GENE EXPRESSION IN MICE |
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Effects of Dietary Folate on Arsenic-induced Gene Expression in Mice
Arsenic, a drinking water contaminant, is a known carcinogen. Human exposure to inorganic arsenic has b...
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EFFECTS OF HEAT SHOCK PROTEIN 70 (HSP70) ON ARSENITE INDUCED GENOTOXICITY |
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Arsenic (As), a human carcinogen, is known to be genotoxic although its mechanism(s) of action for tumorigenesis is not well understood. Among the toxicity-related properties of th...
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EFFECTS OF INGESTED ARSENIC ON DNA AND CHROMOSOME IN HUMAN EXFOLIATED EPITHELIA |
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Effects of Ingested Arsenic on DNA and Chromosome in Human Exfoliated Epithelia
Judy L. Mumford, Human Studies Division, National Health and Environmental Effects Research L...
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EFFECTS OF PH AND COMPETING ANIONS ON THE SOLUTION SPECIATION OF ARSENIC BY ION EXCHANGE RESINS |
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Anion-exchange resins (AER) are used to differentiate As(V) and As(III) by retaining As(V) and allowing As(III) to pass through. AERs allow rapid speciation of As in the field whi...
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EFFECTS OF PH AND COMPETING ANIONS ON THE SPECIATION OF ARSENIC IN FIXED IONIC STRENGTH SOLUTIONS BY SOLID PHASE EXTRACTION CARTRIDGES |
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Anion-exchange resins (AERs) separate As(V) and As(lIl) in solution by retaining As(V) and allowing As(lIl) to pass through. AERs offer several advantages including portability, ea...
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EFFECTS OF PH AND PHOSPHATE COMPETITION ON ARSENIC TRANSPORT. (R825403) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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EFFECTS OF PH AND PHOSPHATE ON METAL DISTRIBUTION WITH EMPHASIS ON AS SPECIATION AND MOBILIZATION IN SOILS FROM A LEAD SMELTING SITE |
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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 ...
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EFFECTS OF REACTION PARAMETERS ON ELECTROCHEMICAL DECHLORINATION OF TRICHLOROETHYLENE RATE AND BY-PRODUCTS |
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Trichloroethylene (TCE) was electrochemically dechlorinated in aqueous environments using granular graphite cathode in a mixed reactor. Effects of pH, current, electrolyte type, an...
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EFFECTS OF SPATIAL EXTENT ON LANDSCAPE STRUCTURE AND SEDIMENT METAL CONCENTRATION RELATIONSHIPS IN SMALL ESTUARINE SYSTEMS OF THE US MID-ATLANTIC COAST |
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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....
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ELECTROCHEMICAL DECHLORINATION OF TRICHLOROETHYLENE USING GRANULAR-GRAPHITE ELECTRODES: IDENTIFICATION AND QUANTIFICATION OF DECHLORINATION PRODUCTS |
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Electrochemical degradation (ECD) utilizes high redox potential at the anode and low redox potential at the cathode to oxidize and/or reduce organic and inorganic contaminants. ECD...
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ELECTROCHEMICAL DEGRADATION OF ORGANIC CONTAMINANTS IN WATER AND SEDIMENTS |
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Electrochemical degradation (ECD) utilizes high redox potential at the anode and low redox potential at the cathode to oxidize and/or reduce organic and inorganic contaminants. EDC...
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ELECTROCHEMICAL DEGRADATION OF PERSISTANCE POLLUTANTS IN GROUNDWATER AND SEDIMENTS |
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Electrochemical Degradation (ECD) utilizes redox potential at the anode and the cathode to oxidize and/or reduce organic contaminants. ECD of environmentally persistence pollutants...
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ELEMENTAL SPECIATION IN ENVIRONMENTAL EXPOSURE ASSESSMENT MATRICES |
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Arsenic and tin are two trace metals where exposure assessments have moved towards a speciation based approach because the toxicity is very chemical form dependent. This toxicity ...
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ELEMENTAL SPECIATION IN ENVIRONMENTAL EXPOSURE ASSESSMENT MATRICES |
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This is an overview slide presentation of the Arsenic Research Program....
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ELEVATED LEVELS OF INDUCIBLE HEAT SHOCK PROTEIN (HSP70-1) PROTECT MCF-7 CELLS FROM ARSENITE TOXICITY |
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Heat shock proteins (HSPs) belong to the highly conserved family of stress proteins and are induced following exposure to arsenic. Elevated HSPs protect against cellular damage fro...
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ELUCIDATING THE PATHWAY FOR ARSENIC METHYLATION |
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Enzymatically-catalyzed methylation of arsenic is part of a metabolic pathway that converts inorganic arsenic into methylated products. Hence, in humans chronically exposed to ino...
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EMISSION OF METALS AND ORGANICS FROM MUNICIPAL WASTEWATER SLUDGE INCINERATORS - VOLUME II: SITE 1 FINAL EMISSION TEST REPORT |
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The Site 1 plant treats 36MGD of wastewater and the blended primary/secondary sludge is dewatered to approximately 16 to 2O percent solids. ludge is incinerated by a six-hearth uni...
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EMISSION OF METALS AND ORGANICS FROM MUNICIPAL WASTEWATER SLUDGE INCINERATORS - VOLUME III: SITE 2 FINAL EMISSION TEST REPORT |
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The Site 2 plant treats 38 MGD of municipal and to a lesser degree industrial wastewater. he blended primary/secondary sludge (-65-86% primary) is dewatered using centrifugation to...
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EMISSIONS OF CHROMIUM, COPPER, ARSENIC AND PCDDS/FS FROM OPEN BURNING OF CCA TREATED WOOD |
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Aged and weathered chromated copper arsenate (CCA) treated wood was burned in an open burn research facility to characterize the air emissions and residual bottom ash. In addition ...
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EMPIRICAL RELATIONSHIPS BETWEEN LAND USE/COVER AND ESTUARINE CONDITION IN THE NORTHEASTERN UNITED STATES |
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Landāwater interactions were examined in three regions in the Virginian Biogeographic Province; the southern shore of Cape Cod, Massachusetts; the Hudson/Raritan region of New York...
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ENDOGENOUS REDUCTANTS SUPPORT THE CATALYTIC FUNCTION OF REOMBINANT RAT CYT119, AN ARSENIC METHYLTRANSFERASE |
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The postulated scheme for the metabolism of inorganic As involves alternating steps of oxidative methylation and of reduction of As from the pentavalent to the trivalent oxidation ...
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ENVIRONMENTAL CONTAMINANTS AND POTENTIAL HUMAN RISK ASSOCIATED WITH SELECTED BOTANICAL DIETARY SUPPLEMENTS |
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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...
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ENVIRONMENTAL CONTROL OF TOXIC METAL AIR EMISSIONS FROM THE COMBUSTION OF COAL AND WASTES |
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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...
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ENVIRONMENTAL EFFECTS OF A GOLF COMPLEX ON COASTAL WETLANDS IN THE GULF OF MEXICO |
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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...
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ENVIRONMENTAL EFFECTS OF OIL SHALE MINING AND PROCESSING. PART III - THE WATER QUALITY OF PICEANCE CREEK, COLORADO, PRIOR TO OIL SHALE PROCESSING |
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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...
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ENVIRONMENTAL EFFECTS OF WESTERN COAL COMBUSTION. PART III. THE WATER QUALITY OF ROSEBUD CREEK, MONTANA |
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The results of a study on Rosebud Creek, Montana, designed to assess the impacts on water quality of surface coal mining and/or coal combustion at Colstrip are summarized herein. A...
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ENVIRONMENTAL MASS SPECTROMETRY |
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In many ways, environmental chemistry would appear to be a mature field, in that many of the same types of chemicals and pollutants continue to be of interest. Those most commonly ...
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ENVIRONMENTAL RESEARCH BRIEF: WASTE REDUCTION ACTIVITIES AND OPTIONS FOR A MANUFACTURER OF SYSTEMS TO PRODUCE SEMICONDUCTORS |
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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...
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ENVIRONMENTAL RESEARCH BRIEF: WASTE REDUCTION ACTIVITIES AND OPTIONS FOR A MANUFACTURER OF SYSTEMS TO PRODUCE SEMICONDUCTORS. |
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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...
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ENVIRONMENTAL TECHNOLOGY VERIFICATION (ETV) DRINKING WATER SYSTEMS CENTER TECHNOLOGY SPECIFIC TEST PLAN: REMOVAL OF MICROBIOLOGICL AND PARTICULATE CONTAMINANTS BY MEMBRANE FILTRATION |
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This document is the Environmental technology Verification (ETV) Technology Specific test Plan (TSTP) for evaluation of water treatment equipment for removal of microbiological and...
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ENVIRONMENTAL TECHNOLOGY VERIFICATION EVALUATIONS OF ARSENIC REDUCTION SYSTEMS FOR DRINKING WATER |
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Arsenic in drinking water is a known carcinogen with additional adverse human health impacts. For the 4,100 affected systems, 37 to 55 cancer cases per year are estimated, with abo...
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ENVIRONMENTAL TECHNOLOGY VERIFICATION REPORT, REMOVAL OF ARSENIC IN DRINKING WATER: ADI INTERNATIONAL INC. ADI PILOT TEST UNIT NO. 2002-09 WITH MEDIA G2Ā®; PHASE II |
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Verification testing of the ADI International Inc. Unit No. 2002-09 with MEDIA G2® arsenic adsorption media filter system was conducted at the Hilltown Township Water and Sewe...
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ENVIRONMENTAL TECHNOLOGY VERIFICATION REPORT, REMOVAL OF ARSENIC IN DRINKING WATER: DELTA INDUSTRIAL SERVICES, INC., CAMPWATER PORTA-5 SYSTEM |
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The CampWater system uses ozonation followed by cartridge filtration to remove arsenic via co-precipitation. The system utilizes ozone to oxidize iron and arsenic (III) to arsenic...
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ENVIRONMENTAL TECHNOLOGY VERIFICATION REPORT, REMOVAL OF ARSENIC IN DRINKING WATER: PHASE 1-ADI PILOT TEST UNIT NO. 2002-09 WITH MEDIA G2Ā® |
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Integrity verification testing of the ADI International Inc. Pilot Test Unit No. 2002-09 with MEDIA G2Ā® arsenic adsorption media filter system was conducted at the Hilltown Townsh...
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ENVIRONMENTAL TECHNOLOGY VERIFICATION REPORT, REMOVAL OF ARSENIC IN DRINKING WATER: WATTS PREMIER M-SERIES M-15,000 REVERSE OSMOSIS TREATMENT SYSTEM |
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Verification testing of the Watts Premier M-Series M-15,000 RO Treatment System was conducted over a 31-day period from April 26, 2004, through May 26, 2004. This test was conduct...
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ENVIRONMENTAL TECHNOLOGY VERIFICATION: JOINT (NSF-EPA) VERIFICATION STATEMENT AND REPORT FOR TREATMENT OF WASTEWATER GENERATED DURING DECONTAMINATION ACTIVITIES - ULTRASTRIP SYSTEMS, INC., MOBILE EMERGENCY FILTRATION SYSTEM (MEFS) - 04/14/WQPC-HS |
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Performance verification testing of the UltraStrip Systems, Inc., Mobile Emergency Filtration System (MEFS) was conducted under EPA's Environmental Technology Verification (ETV) Pr...
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ENZYMOLOGY OF ARSENIC METHYLATION |
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Enzymology of Arsenic Methylation
David J. Thomas, Pharmacokinetics Branch, Experimental Toxicology Division, National
Health and Environmental Effects Research Laborato...
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EPA STUDIES OF ARSENIC SPECIATION IN SEAFOOD MATRICES WITH AN EMPHASIS ON EXTRACTABILITY AND ARSENOSUGAR INTEGRITY |
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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...
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EPA'S FIELD DEMONSTRATION OF INNOVATIVE CAPPING TECHNOLOGIES FOR THE RISK MANAGEMENT OF CONTAMINATED SEDIMENTS |
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Research on capping technologies is directed at assessing the effectiveness of innovative capping materials, factors that control contaminant release at the sediment-water interfac...
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EQUILIBRIUM ARSENIC CAPACITY OF ACTIVATED ALUMINA |
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Arsenic(V) can be effectively removed from water by adsorption onto activated alumina. Variables affecting the extent of adsorption include pH, temperature, and the presence of oth...
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ESTIMATING RESIDENTIAL EXPOSURE TO DRINKING WATER ARSENIC IN INNER MONGOLIA, CHINA FOR EPIDEMIOLOGIC STUDIES |
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ESTIMATING RESIDENTIAL EXPOSURE TO DRINKING WATER ARSENIC IN INNER MONGOLIA, CHINA FOR EPIDEMIOLOGIC STUDIES
Richard Kwok1, Pauline Mendola1 Zhixiong Ning2, Zhiyi Liu2 and J...
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ETV COLLABORATIVE EVALUATIONS OF MARKET-READY TECHNOLOGIES FOR ARSENIC REMOVAL IN DRINKING WATER |
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How well do some commercially marketed package treatment systems perform to reduce arsenic from drinking water supplies? The Environmental Technology Verification (ETV) Drinking Wa...
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ETV REPORT: REMOVAL OF ARSENIC IN DRINKING WATER — BASIN WATER HIGH EFFICIENCY ION EXCHANGE WATER TREATMENT SYSTEM |
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Verification testing of the Basin Water System was conducted over a 54-day period between April 4, 2005 and May 28, 2005. The test was conducted at the Elsinore Valley Municipal Wa...
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ETV REPORT: REMOVAL OF ARSENIC IN DRINKING WATER - PALL CORPORATION MICROZA. MICROFILTRATION SYSTEM |
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Verification testing of the Pall Corporation Microza. Microfiltration System for arsenic removal was conducted at the Oakland County Drain Commissioner (OCDC) Plum Creek Developmen...
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ETV REPORT: REMOVAL OF ARSENIC IN DRINKING WATER ORCA WATER TECHNOLOGIES KEMLOOP 1000 COAGULATION AND FILTRATION WATER TREATMENT SYSTEM |
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Verification testing of the ORCA Water Technologies KemLoop 1000 Coagulation and Filtration Water Treatment System for arsenic removal was conducted at the St. Louis Center located...
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EVALUATING ACQ AS AN ALTERNATIVE WOOD PRESERVATIVE SYSTEM |
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This evaluation addresses the waste reduction/pollution prevention and economic issues involved in replacing chromated copper arsenate (CCA) with ammoniacal copper/quaternary ammon...
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EVALUATING ACQ AS AN ALTERNATIVE WOOD PRESERVATIVE SYSTEM |
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This evaluation addresses the waste reduction/pollution prevention and economic issues involved in replacing chromated copper arsenate (CCA) with ammoniacal copper/quaternary ammon...
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EVALUATION OF A COASTAL GOLF COMPLEX AS A LOCAL AND WATERSHED SOURCE OF BIOAVAILABLE |
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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. ...
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EVALUATION OF A MATRIX INTERFERENCE IN GROUND WATER ARSENIC MEASUREMENT BY ICP-OES |
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Arsenic enters ground water systems by either the weathering of naturally occurring subsurface materials or human activities such as mining and pesticide manufacturing. The curren...
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EVALUATION OF INTERSPECIES DIFFERENCES IN PHARMACOKINETICS (PK) USING A PBPK MODEL FOR THE PESTICIDE DIMETHYLARSINIC ACID (DMAV) |
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DMAV is an organoarsenical pesticide registered for use on certain citrus crops and as a cotton defoliant. In lifetime oral route studies in rodents, DMAV causes statistically sig...
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EVALUATION OF TECHNOLOGY FOR CONTROL OF ARSENIC EMISSIONS AT THE CAMPBELL RED LAKE GOLD SMELTER |
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The Campbell Red Lake Mines Gold Smelter at Balmerton, Ontario, Canada, has developed and implemented a successful control strategy for arsenic emissions from a nonferrous smelting...
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EVALUATION OF THE EFFECTIVENESS OF COATINGS IN REDUCING DISLODGEABLE ARSENIC, CHROMIUM, AND COPPER FROM CCA-TREATED WOOD |
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This is a 2 year study designed to evaluate the effectiveness of a variety of deck sealants in reducing or eliminating potential exposure to arsenic, chromium, and copper from chro...
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EVALUATION OF THE POTENTIAL CARCINOGENICITY OF ARSENIC COMPOUNDS |
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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...
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EVALUATION OF THE POTENTIAL CARCINOGENICITY OF CACODYLIC ACID |
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The weight-of-evidence for cacodylic acid is Group D under the EPA Guidelines for Carcinogen Risk Assessment. vidence on the potential carcinogenicity for cacodylic acid from anima...
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EVALUATION OF THE POTENTIAL CARCINOGENICITY OF DICHLOROPHENYLARSINE |
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The weight-of-evidence for dichlorophenylarsine is Group D under the EPA Guidelines for Carcinogen Risk Assessment. here are "No Data" on the potential carcinogenicity for dichloro...
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EVALUATION OF THE POTENTIAL CARCINOGENICITY OF DIETHYLARSINE |
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The weight-of-evidence for diethylarsine is Group D under the EPA Guidelines for Carcinogen Risk Assessment. vidence on the potential carcinogenicity for diethylarsine from animal ...
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EXAMINATION OF CHANGES IN AS SPECIATION IN SULFIDIC SOLUTIONS |
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The fate of arsenic (As) in the environment, its bioavailability and toxicity is fundamentally linked to its speciation. As in aerobic environments is predominantly arsenate (As(V)...
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EXCRETION OF ARSENIC IN URINE AS A FUNCTION OF EXPOSURE TO ARSENIC IN DRINKING WATER |
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Urinary arsenic (As) concentrations were evaluated as a biomarker of exposure in a U.S. population chronically exposed to inorganic As (InAs) in their drinking water. Ninety-six in...
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EXPOSURE ASSESSMENT CONSIDERATIONS IN UTILIZING CONVENTIAL CHEMICAL AND PHYSIOLOGICAL BASED EXTRACTION TECHNIQUES PRIOR TO TO ARSENIC SPECIATION |
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This presentation was given at the FACSS Meeting in Orlando, FL, September 24-28, 2006...
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EXPOSURE FACTORS PROGRAM |
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The development of the latest version of the Exposure Factors Handbook 1997(EPA/600/P-95/Fa, Fb, and Fc) has brought to light the need for a more comprehensive ...
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EXPRESSON OF AS3MT ALTERS TRANSCRIPTIONAL PROFILES IN HUMAN UROTHELIAL CELLS EXPOSED TO ARSENITE |
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Inorganic arsenic (iAs) is an environmental toxin and human carcinogen. The enzymatic methylation of iAs that is catalyzed by As (3+ oxidation state)-methyltransferase (AS3MT) gene...
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EXTRACTION AND DETECTION OF A NEW ARSINE SULFIDE CONTAINING ARSENOSUGAR IN MOLLUSCS BY IC-ICP-MS AND IC-ESI-MS/MS |
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Using IC-ICP-MS and IC-ESI-MS/MS, an unknown arsenical compound in mollusks has been identified as a new arsine sulfide containing analog of a known arsenosugar and is referred to ...
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EXTRACTION AND DETECTION OF ARSENICALS IN SEAWEED VIA ACCELERATED SOLVENT EXTRACTION WITH ION CHROMATOGRAPHIC SEPARATION AND ICP-MS DETECTION |
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An accelerated solvent extraction (ASE) device was evaluated as a semi-automated means of extracting arsenicals from ribbon kelp. Objective was to investigate effect of experimenta...
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EXTRACTION AND DETERMINATION OF ARSENICALS FOUND IN FISH TISSUE |
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Arsenic in Drinking Water is regulated under the Safe Drinking Water Act. The maximum contaminant level (MCL) for arsenic is currently 50ppb. The USEPA is currently under a court...
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EXTRACTION AND IDENTIFICATION OF ARSENOSUGARS IN COMMERCIALLY AVAILABLE SEAWEEDS |
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Arsenosugars, mostly in the form of dimethylarsinylribosides, are widely found in marine plants. Since the first arsneosugar was identified in 1982, fifteen arsenosugars have been ...
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EXTRACTION AND SPECIATION OF ARSENIC CONTAINING DRINKING WATER TREATMENT SOLIDS BY IC-ICP-MS |
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In 2001, the U.S. Environmental Protection Agency (EPA) passed the Arsenic Rule, which established a maximum contaminant level of 105g/L. Compliance with this regulation has cause...
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EXTRACTION TECHNIQUES FOR THE REMOVAL OF ARSENICALS FROM SEAFOOD EXPOSURE MATRICES WITH ICP-MS DETECTION |
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Most of the existing arsenic dietary databases were developed from the analysis of total arsenic in water and dietary samples. These databases have been used to estimate arsenic ex...
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Examination of Arsenic Speciation in Sulfidic Solutions Using X-ray Absorption Spectroscopy |
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The chemical speciation of arsenic in sulfidic waters is complicated by the existence of thioarsenic species. The purpose of this research was to use advanced spectroscopy techniq...
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FATE AND BIOAVAILABILITY OF ARSENIC IN ORGANO-ARSENICAL PESTICIDE APPLIED SOILS. PART-I. INCUBATION STUDY. (R830842) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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FATE OF TRACE AND MINOR CONSTITUENTS OF COAL DURING GASIFICATION |
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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....
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FATE OF TRACE METALS IN A ROTARY KILN INCINERATOR WITH A SINGLE-STAGE IONIZING WET SCRUBBER - VOLUME I: TECHNICAL RESULTS |
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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 ...
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FATE OF TRACE METALS IN A ROTARY KILN INCINERATOR WITH A SINGLE-STAGE IONIZING WET SCRUBBER - VOLUME II: APPENDICES |
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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 ...
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FATE OF TRACE METALS IN A ROTARY KILN INCINERATOR WITH A SINGLE-STAGE IONIZING WET SCRUBBER. VOLUME 1. TECHNICAL RESULTS. |
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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 ...
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FIELD AND LABORATORY STUDIES FOR THE DEVELOPMENT OF EFFLUENT STANDARDS FOR THE STEAM ELECTRIC POWER INDUSTRY |
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The report gives results of an evaluation of carbon absorption, chemical precipitation, reverse osmosis, and vapor compression distillation (VCD) as removal technologies for priori...
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FIELD EVALUATION OF ARSENIC REMOVAL BY CONVENTIONAL PLANTS |
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This paper is a summary of two EPA reports prepared by Battelle Memorial Institute: "Arsenic Removal from Drinking Water by Coagulation/Filtration and Lime Softening" and "Arsenic...
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FIELD EVALUATION OF ARSENIC TRANSPORT: SPECIATION IN SEDIMENT MATERIAL |
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Fort Devens was established in 1917 as Camp Devens, a temporary training camp for soldiers from the New England area for WWI. Throughout its history, Fort Devens served as a train...
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FIELD EXPERIENCE WITH POINT-OF-USE TREATMENT SYSTEMS FOR ARSENIC REMOVAL |
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Point-of-use treatment devices can be effective for inorganic contaminant removal. his paper describes work that was done investigating point-of-use treatment systems for arsenic r...
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FIELD STUDY OF ARSENIC REMOVAL FROM GROUNDWATER BY ZEROVALENT IRON |
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Contamination of ground-water resources by arsenic is a widespread environmental problem; consequently, there is a need for developments and improvements of remedial technologies t...
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FIELD STUDY OF THE FATE OF ARSENIC, LEAD, AND ZINC AT THE GROUND-WATER/SURFACE-WATER INTERFACE |
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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...
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FISH TISSUE QUALITY IN NEAR-COASTAL AREAS OF THE GULF OF MEXICO RECEIVING POINT SOURCE DISCHARGES |
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The objective of this study was to determine inorganic and organic contaminant concentrations in edible tissue of fish collected from eight coastal areas receiving wastewater disch...
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FOAM FLOTATION TREATMENT OF HEAVY METALS AND FLUORIDE-BEARING INDUSTRIAL WASTEWATERS |
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Laboratory studies demonstrated that the floc foam flotation techniques are effective in removing lead, cadmium, mercury, copper, zinc, arsenic, and fluoride from dilute wastewater...
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FOLATE DEFICIENCY ENHANCES ARSENIC EFFECTS ON EXPRESSION OF GENES INVOLVED IN EPIDERMAL DIFFERENTIATION |
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Chronic arsenic exposure in humans is associated with cancers of the skin, lung, and bladder. There is evidence that folate deficiency may increase susceptibility to arsenicĀæs effe...
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FOLATE DEFICIENCY ENHANCES ARSENIC-INDUCED GENOTOXICITY IN MICE |
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Folate deficiency increases background levels of DNA damage and can enhance the mutagenicity of chemical agents. Duplicate experiments were performed to investigate the effect of d...
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FORMATION AND CHEMICAL SPECIATION OF ARSENIC-, CHROMIUM-, AND NICKEL-BEARING COAL COMBUSTION PM. (R827649) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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FORMATION OF ARSENIC SULFIDES WITHIN CONSTRUCTED WETLANDS. (R825403) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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FRAMEWORK APPROACH FOR MONITORED NATURAL ATTENUATION OF RADIONUCLIDE AND INORGANIC CONTAMINANTS IN GROUNDWATER |
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The USEPA is leading an effort to develop technical documentation that provides the policy, scientific and technical framework for assessing the viability of MNA for inorganic cont...
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FY06 ORD PILOT STUDY: DETERMINE BIOAVAILABILITY AND BIOACCESSIBILITY OF ARSENIC IN SOIL AND DEVELOP ARSENIC SPECIATION METHODS |
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The product is a presentation requested by the organizers of the 2005 US EPA Bioavailability Technical Review Workgroup. It presents an overview, approaches (in-vivo & in-vitro), ...
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Field Evaluation Of Arsenic Speciation In Sediments At The Ground Water/Surface Water Interface |
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The speciation and mineralogy of sediments contaminated with arsenic at the ground water/surface water interface of the Ft. Devens Super Fund Site in Ft. Devens, MA were determined...
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Field Evaluation Of Arsenic Transport Across The Ground Water/Surface Water Interface: Speciation In Sediment Material |
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The solubility and mobility of arsenic in ground water are influenced by a variety of processes in the northeastern US subjective to geogenic and anthropogenic sources. This prese...
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Field Evaluation Of Arsenic Transport Across The Ground-Water/Surface Water Interface: Ground-Water Discharge And Iron Oxide Precipitation |
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A field investigation was conducted to examine the distribution of arsenic in ground water, surface water, and sediments at a Superfund Site in the northeastern United States (see ...
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GENE EXPRESSION CAN DIFFERENTIATE CARCINOGENIC FROM NON-CARCINOGENIC DOSES OF DIMETHYLARSINIC ACID (DMAv) IN THE TRANSITIONAL EPITHELIUM OF THE URINARY BLADDER FROM FEMALE F344 RATS |
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Arsenic is an environmental concern worldwide, and drinking arsenic contaminated water has been associated with increased incidences of skin, lung and bladder cancer. Dimethylarsin...
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GENE EXPRESSION CHANGES IN MOUSE BLADDER TISSUE IN RESPONSE TO INORGANIC ARSENIC |
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Chronic human exposures to high arsenic concentrations are associated with lung, skin, and bladder cancer. Considerable controversy exists concerning arsenic mode of action and low...
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GENE EXPRESSION DOSE-RESPONSE IN THE BLADDERS OF MICE EXPOSED TO ARSENIC IN DRINKING WATER FOR 13 WEEKS |
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The association between drinking water exposures to inorganic arsenic and life-threatening tumors in the human is strongest for bladder cancer. To investigate the mode of action fo...
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GENE EXPRESSION DOSE-RESPONSE IN THE MOUSE BLADDER FOLLOWING EXPOSURE TO ARSENATE IN DRINKING WATER |
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The association between drinking water exposures to inorganic arsenic and life-threatening tumors in the human is strongest for bladder cancer. Moreover, a working model for the pa...
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GENE EXPRESSION PROFILES IN ARSENIC-TREATED MCF-7 BREAST CANCER CELLS EXPRESSING DIFFERENT LEVELS OF HSP70 |
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Gene expression profiles in arsenic-treated MCF-7 breast cancer cells expressing different levels of HSP70
Gail Nelson, Susan Hester, Ernest Winkfield, Jill Barnes, James A...
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GENE EXPRESSION PROFILING OF HYPERKERATOTIC SKIN FROM INNER MONGOLIANS CHRONICALLY EXPOSED TO ARSENIC |
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Millions of people worldwide have been chronically exposed to arsenic levels in drinking water that greatly exceed the current World Health OrganizationĀæs recommended limit of 10 Āµ...
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GENE EXPRESSION PROFILING OF MOUSE SKIN AND PAPILLOMAS FOLLOWING CHRONIC EXPOSURE TO MONOMETHYLARSONOUS ACID IN K6/ODC TRANSGENIC MICE |
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Methylarsonous acid [MMA(III)], a common metabolite of inorganic arsenic metabolism, increases tumor frequency in the skin of K6/ODC transgenic mice following a chronic exposure. T...
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GENE EXPRESSION PROFILING OF NORMAL HUMAN BRONCHIAL EPITHELIAL CELLS EXPOSED TO TRIVALENT ARSENICALS AND DIMETHYLTHIOARSINIC ACID |
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Lung is a major target for arsenic carcinogenesis in humans. However, the carcinogenic mode of action of arsenicals is unknown. We investigated, in human bronchial epithelial (BEAS...
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GENE EXPRESSION PROFILING OF RESPONSES TO DIMETHYLARSINIC ACID IN FEMALE F344 RAT UROTHELIUM |
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Arsenic is a human carcinogen and epidemiologic evidence implicates it in the development of urinary bladder cancer. Even though several mechanisms have been proposed for arsenic c...
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GENE INDUCTION STUDIES AND TOXICITY OF CHEMICAL MIXTURES |
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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 ...
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GEOCHEMICAL MODELING OF ARSENIC SPECIATION AND MOBILIZATION: IMPLICATIONS FOR BIOREMEDIATION |
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Geochemical modeling techniques were used to examine the biogeochemical linkages between Fe, S, and As in shallow alluvial aquifers. We modeled: 1) the adsorption and desorption o...
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GEOCHEMICAL PATTERNS OF ARSENIC-ENRICHED GROUND WATER IN FRACTURED, CRYSTALLINE BEDROCK, NORTHPORT, MAINE, USA |
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High arsenic concentrations of up 26.6 Āµmol/L (1990 Āµg/L) occur in ground water collected from a fractured-bedrock system composed of sulfidic schist with granitic to dioritic intr...
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GLUTATHIONE MODULATES RECOMBINANT RAT ARSENIC (+3 OXIDATION STATE) METHYLTRANSFERASE-CATALYZED FORMATION OF TRIMETHYLARSINE OXIDE AND TRIMETHYLARSINE |
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Humans and other species enzymatically convert inorganic arsenic into methylated metabolites. Although the major metabolites are mono- and dimethylated arsenicals, trimethylat...
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GREENHOUSE STUDY ON ARSENIC SPECIATION AND BIOAVAILABILITY IN TWO PESTICIDE-CONTAMINATED SOILS OF FLORIDA: PRELIMINARY RESULTS. (R830842) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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GROUND WATER ARSENIC AND METALS TREATMENT USING A COMBINATION COMPOST-ZVI PRB |
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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...
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GROUND WATER CONTAMINANTS AND THEIR SOURCES - A REVIEW OF STATE REPORTS |
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Pursuant to section 305(B) of the Clean Water Act of 1987, each state submits biennially a water quality report to the U.S. Environmental Protection Agency (EPA). his paper contain...
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GROUND WATER PURGING AND SAMPLING METHODS: HISTORY VS. HYSTERIA |
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It has been over 10 years since the low-flow ground water purging and sampling method was initially reported in the literature. The method grew from the recognition that well purgi...
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GROUND WATER SAMPLING FOR METALS |
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The collection of groundwater samples for metals, including metalloids such as arsenic and selenium, is primarily complicated by the fact that many of the target metal contaminants...
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GROUND WATER TREATMENT PROCESSES FOR ARSENIC REMOVAL |
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In 1975 EPA established a maximum contaminant level (MCL) for arsenic at 0.05 mg/L. In 1996, Congress amended the SDWA and these amendments required that EPA develop an arsenic res...
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HEALTH ASSESSMENT DOCUMENT FOR INORGANIC ARSENIC. EXTERNAL REVIEW DRAFT |
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This document summarizes current scientific information regarding the effects of inorganic arsenic on man and the environment. The observed effects, as presented herein, constitute...
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HEALTH ASSESSMENT DOCUMENT FOR INORGANIC ARSENIC. FINAL REPORT |
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Inorganic arsenic, predominantly the tri- and pentavalent forms, is emitted to the environment primarily through smelting activity, biocide use and glass manufacturing. Monitoring ...
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HEALTH EFFECTS AND RISK ASSESSMENT OF ARSENIC |
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Abstract - In this review, we will focus on the effects of arsenic (As) exposure from drinking water sources. The primary inorganic As species in water are arsenate (V) and/or ars...
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HEALTH EFFECTS ASSESSMENT FOR ARSENIC |
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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...
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HEALTH EFFECTS FROM CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER IN INNER MONGOLIA |
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Arsenite and arsenate are widely present in natural waters. The inorganic forms , especially arsenite, are believed to be the most toxic species. Methylation is often considere...
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HEALTH EFFECTS OF ARSENIC IN DRINKING WATER |
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Current knowledge about metabolism, essentiality, and toxicity is summarized in this conference proceedings paper. hese are placed in a risk assessment context. esearch needs are i...
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HEALTH EFFECTS OF ARSENIC IN DRINKING WATER: RESEARCH NEEDS |
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Research needed to resolve the uncertainties of cancer risk from ingestion of arsenic in drinking water is described. he recommendations fall into two categories reflecting the are...
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HEALTH EFFECTS OF CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER IN INNER MONGOLIA. III. NEUROLOGICAL SYMPTOMS AND PIN-PRICK MEASURES |
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Health Effects of Chronic Exposure to Arsenic via Drinking Water in Inner Mongolia: III. Neurological Symptoms and Pin-prick Measures
Yanhong Li, M.D.,Yajuan.Xia, M.D., Kego...
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HEALTH EFFECTS OF CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER IN INNER MONGOLIA: I. BIOMARKERS FOR ASSESSING EXPOSURE AND EFFECTS |
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Health Effects of Chronic Exposure to Arsenic via Drinking Water in Inner Mongolia: I. Biomarkers for Assessing Exposure and Effects
Judy L. Mumford, Ph.D., Mike Schmitt, M....
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HEALTH EFFECTS OF CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER IN INNER MONGOLIA: II. VIBROTACTILE AND VISUAL MEASURES FINAL DOCUMENT TITLE. |
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HEALTH EFFECTS OF CHRONIC EXPOSURE TO ARSENIC IN DRINKING WATER IN INNER MONGOLIA: II. VIBROTACTILE AND VISUAL MEASURES.
David Otto, Ph.D., Judy Mumford, Ph.D., Richard Kwo...
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HEALTH EFFECTS OF CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER IN INNER MONGOLIA: IV. DISTRIBUTION OF ARSENIC CONCENTRATIONS IN WELLS |
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HEALTH EFFECTS OF CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER IN INNER MONGOLIA:
IV. DISTRIBUTION OF ARSENIC CONCENTRATIONS IN WELLS
Zhixiong Ning, B.S., Zhiyi Liu,B....
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HEALTH EFFECTS OF CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER IN INNER MONGOLIA: V. BIOMARKER STUDIES - A PILOT STUDY |
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Health Effects of Chronic Exposure to Arsenic via Drinking Water in Inner Mongolia: V. Biomarker Studies - a Pilot Study
Michael T. Schmitt, M.S.P.H., Judy S. Mumford, Ph.D....
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HEALTH EFFECTS OF CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER IN INNER MONGOLIA: VI. DEVELOPMENTAL EFFECTS. |
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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 ...
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HEALTH RISKS FROM CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER: FINDINGS FROM THE CLINICAL INVESTIGATIONS DATA IN INNER MONGOLIA, CHINA |
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Prior studies have reported a large number of arsenicism cases in the Mongolia Autonomous Region of China due to drinking arsenic-contaminated water with concentrations up to 1.8 m...
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HEAVY METAL CONTAMINATION IN THE TAIMYR PENINSULA, SIBERIAN ARCTIC |
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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 ...
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HEAVY METALS IN RECOVERED FINES FOR CONSTRUCTION AND DEMOLITION DEBRIS RECYCLING FACILITIES IN FLORIDA |
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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...
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HIGH ARSENIC CONCENTRATIONS AND ENRICHED SULFUR AND OXYGEN ISOTOPES IN A FRACTURED-BEDROCK GROUND-WATER SYSTEM |
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Elevated arsenic concentrations are coincident with enriched sulfur and oxygen isotopes of sulfate in bedrock ground water within Kelly's Cove watershed, Northport, Maine, USA. Int...
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HIGH-LEVEL ARSENITE REMOVAL FROM GROUNDWATER BY ZERO-VALENT IRON |
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The objectives of this study were to conduct batch and column studies to (i) assess the effectiveness of zero-valent iron for arsenic remediation in groundwater, (ii) determine rem...
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HIGH-THROUGHPUT IDENTIFICATION OF CATALYTIC REDOX-ACTIVE CYSTEINE RESIDUES |
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Cysteine (Cys) residues often play critical roles in proteins; however, identification of their specific functions has been limited to case-by-case experimental approaches. We deve...
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HOW CAN BIOLOGICALLY-BASED MODELING OF ARSENIC KINETICS AND DYNAMICS INFORM THE RISK ASSESSMENT PROCESS? |
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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...
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HUMAN CARCINOGENESIS BY ARSENIC |
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Arsenic is one of the few human carcinogens for which there is not yet a reliable animal cancer model. s such, the classification of arsenic as a carcinogen is based upon data deri...
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HUMAN EXPOSURE TO ARSENIC AND HEALTH EFFECTS IN BAYINGNORMEN, INNER MONGOLIA |
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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....
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HUMAN HEALTH RISK FROM EXPOSURE TO SOIL ARSENIC: DOES ONE SIZE FIT ALL? (R830842) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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HUMAN NAILS AS A BIOMARKER OF ARSENIC EXPOSURE FROM WELL WATER IN AN INNER MONGOLIAN POPULATION: COMPARING ATOMIC FLUORESCENSE SPECTROMETRY AND NEUTRON ACTIVATION ANALYSIS |
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Arsenic (As) is found naturally in the geological strata within the Ba Men Region of West Central Inner Mongolia, China. Residents here have been chronically exposed to a wide ran...
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HUMAN SCALP HAIR: AN ENVIRONMENTAL EXPOSURE INDEX FOR TRACE ELEMENTS. II. SEVENTEEN TRACE ELEMENTS IN FOUR NEW JERSEY COMMUNITIES (1972) |
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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 ...
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HUMAN SCALP HAIR: AN ENVIRONMENTAL EXPOSURE INDEX FOR TRACE ELEMENTS. III. SEVENTEEN TRACE ELEMENTS IN BIRMINGHAM, ALABAMA AND CHARLOTTE, NORTH CAROLINA (1972) |
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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...
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IDENTIFICATION OF INTERSPECIES CONCORDANCE OF MECHANISMS OF ARSENIC INDUCED BLADDER CANCER BY GENE EXPRESSION. |
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Arsenic is a human carcinogen that induces urinary bladder cancer. Several mechanisms have been proposed for arsenic-induced cancer. Although inorganic arsenic (iAs) does not induc...
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IDENTIFICATION OF INTERSPECIES CONCORDANCE OF MECHANISMS OF ARSENIC-INDUCED BLADDER CANCER |
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Exposure to arsenic causes cancer by inducing a variety of responses that affect the expression of genes associated with numerous biological pathways leading to altered cell growth...
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IDENTIFYING CRITICAL CYSTEINE RESIDUES IN ARSENIC (+3 OXIDATION STATE) METHYLTRANSFERASE |
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Arsenic (+3 oxidation state) methyltransferase (AS3MT) catalyzes methylation of inorganic arsenic to mono, di, and trimethylated arsenicals. Orthologous AS3MT genes in genomes rang...
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IDENTIFYING DISCHARGE ZONES OF ARSENIC IN THE GOOSE RIVER BASIN, MAINE |
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Groundwater discharge areas are simulated from water balance modeling and kriging of oxygen isotopes in groundwater within the Goose River basin. Groundwater fluxes of discharge ra...
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IMBALANCE OF DNA METHYLATION, BOTH HYPERMETHYLATION AND HYPOMETHYLATION, OCCUR AFTER EXPOSURE OF HUMAN CELLS TO NANOMOLAR CONCENTRATIONS OF ARSENITE IN CULTURE. |
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Imbalance of DNA methylation, BOTH hypermethylation and hypomethylation, occur after exposure of human cells to nanomolar concentrations of arsenite in culture.
We and other...
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IMPACT OF REDOX DISEQUILIBRIA ON CONTAMINANT TRANSPORT AND REMEDIATION IN SUBSURFACE SYSTEMS |
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Partitioning to mineral surfaces exerts significant control on inorganic contaminant transport in subsurface systems. Remedial technologies for in-situ treatment of subsurface con...
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IMPAIRMENT OF GROWTH AND IMMUNE FUNCTION OF AVOCET CHICKS FROM SITES WITH ELEVATED SELENIUM, ARSENIC, AND BORON |
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Avocet chicks hatched from eggs collected from the south Central Valley of California were studied to determine the impact of elevated concentrations of selenium, boron, and arseni...
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IMPLICATIONS OF NEW ARSENIC STANDARDS ON OKLAHOMA WATER RESOURCES |
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The new national standard for arsenic in drinking water supplies, slated to take effect in 2006, is having an unexpected impact on a number of Oklahoma communities. Currently, sev...
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IMPORTANCE OF GROUNDWATER SULFATE TO ACIDIFICATION IN THE GOOSE RIVER WATERSHED, MAINE |
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The role of groundwater sulfate discharge to ponds and streams within the Goose River basin (33.3 km2) is examined. While airborne sulfate disposition has declined, acid...
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IMPROVED TECHNIQUES FOR RESIDUAL OZONE |
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Eight analytical methods for the determination of residual ozone in water are evaluated. Four are iodometric methods based on the reduction of ozone by iodide ion: the iodometric m...
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IN VITRO BIOTRANSFOMATION OF AN ARSENOSUGAR BY MOUSE ANAEROBIC CECAL MICROFLORA AND CECAL TISSUE EXAMINED USING IC-ICP-MS AND LC-ESI-MS/MS |
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This investigation examined chemical and microbiological transformations of an arsenosugar by mouse cecum. To mimic the low oxygen environment in the mammalian gastrointestinal tra...
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IN VITRO INHIBITION OF GLUTATHIONE REDUCTASE BY ARSENOTRI-GLUTATHIONE |
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Arsenotriglutathione, a product of the reduction of arsenate and the complexation of arsenite by glutathione, is a mixed type inhibitor of the reduction of glutathione disulfide by...
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IN VITRO METHYLATION OF INORGANIC ARSENIC IN MOUSE INTESTINAL CECUM |
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NO ABSTRACT PROVIDED...
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IN VITRO PERCUTANEOUS ABSORPTION OF MONOSODIUM METHANERARSONATE (MSMA) AND DISODIUM METHANE-ARSONATE (DSMA) IN FEMALE B6C3F1 MICE |
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Percutaneous absorption of (14C] monosodium methanearsonate (MSMA) and disodium methanearsonate (DSMA) was investigated in female B6C3F1 mice from a variety of exposure conditions,...
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IN-SITU REMEDIATION OF ARSENIC IN SIMULATED GROUNDWATER USING ZEROVALENT IRON: LABORATORY COLUMN TESTS ON COMBINED EFFECTS OF PHOSPHATE AND SILICATE |
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We performed three column tests to study the behavior of permeable reactive barrier (PRB) materials to remove arsenic under dynamic flow conditions in the absence, as well as in th...
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INCINERATION DATA ON ARSENIC AND LEAD EMISSIONS |
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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 ...
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INCINERATION TREATMENT OF ARSENIC-CONTAMINATED SOIL |
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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...
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INCORPORATION OF MECHANISTIC INFORMATION IN THE ARSENIC PBPK MODEL DEVELOPMENT PROCESS |
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INCORPORATING MECHANISTIC INSIGHTS IN A PBPK MODEL FOR ARSENIC
Elaina M. Kenyon, Michael F. Hughes, Marina V. Evans, David J. Thomas, U.S. EPA; Miroslav Styblo, University ...
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INCREASED MICRONUCLEI IN EXFOLIATED CELLS FROM INDIVIDUALS EXPOSED TO ARSENIC IN DRINKING WATER. |
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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....
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INCREASED OGG1 EXPRESSION IN PERIPHERAL BLOOD CELLS OF THE INDIVIDUALS EXPOSED TO ARSENIC-CONTAMINATED WATER |
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Arsenic, a human carcinogen, is known to induce oxidative stress and DNA damage in human cells. The aims of this study are (1) to determine gene expression of an oxidative stress-...
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INDOOR AND OUTDOOR PM10 AND ASSOCIATED METALS AND PESTICIDES IN ARIZONA |
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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...
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INDUCIBLE HEAT SHOCK PROTEIN (HSP70-1) PROTECTS MCF-7 CELLS FROM THE CYTOTOXIC AND GENOTOXIC EFFECTS OF ARSENITE |
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Heat shock proteins (HSPs) belong to the highly conserved family of stress proteins and are induced following exposure to arsenic. Elevated HSPs protect against cellular damage fro...
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INDUCTION OF CELL PROLIFERATION AND APOPTOSIS IN HL60 AND HACAT CELLS BY ARSENIC, ARSENATE, AND ARSENIC-CONTAMINATED DRINKING WATER |
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Induction of cell proliferation and apoptosis in HL-60 and HaCaT cells by arsenite, arsenate and arsenic-contaminated drinking water. T-C. Zhang, M. Schmitt, J. L. Mumford National...
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INDUCTION OF GENOTOXIC DAMAGE IS NOT HIGHLY CORRELATED WITH THE ABILITY OT METHYLATE ARSENITE IN VITRO IN THE LEUKOCYTES OF 4 MAMMALIAN SPECIES |
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Abstract
Arsenic is a natural drinking water contaminant that impacts the health of large populations of people throughout the world; however, the mode or mechanism by w...
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INDUCTION OF THIOREDOXIN AND THIOREDOXIN REDUCTASE GENE EXPRESSION IN MOUSE FIBROBLAST CELLS AFTER LONG EXPOSURE TO LOW DOSE OF ARSENIC. (R826135) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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INDUCTION OF URINARY BLADDER PATHOLOGY IN MALE AND FEMALE C3H MICE EXPOSED TO SODIUM ARSENITE FROM GESTATION THROUGH YOUNG ADULTHOOD |
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Epidemiology studies suggest that chronic exposure to inorganic arsenic is associated with cancer of the skin, urinary bladder and lung as well as the kidney and liver. Recently, a...
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INFLUENCE OF BACTERIAL ACTIVITY ON THE SPECIATION AND TRANSPORT OF ARSENIC ACROSS THE GROUND WATER-SURFACE WATER TRANSITION ZONE AT A CONTAMINATED SITE |
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Field investigations have been conducted to understand the fate of arsenic in contaminated ground water during discharge into a small lake. The ground water plume contains elevate...
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INFLUENCE OF DIETARY ARSENIC ON URINARY ARSENIC METABOLITE EXCRETION |
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Influence of Dietary Arsenic on Urinary Arsenic Metabolite Excretion
Cara L. Carty, M.S., Edward E. Hudgens, B.Sc., Rebecca L. Calderon, Ph.D., M.S.P.H., Richard Kwok, M.S.P...
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INFLUENCE OF GROUND WATER-SURFACE WATER ON SEDIMENT CHARACTERISTICS AND METAL ACCUMULATION AT A CONTAMINATED SITE |
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Field investigations have been conducted to understand the fate of arsenic in contaminated ground water during discharge into a small lake. The ground water plume contains elevate...
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INFLUENCE OF SODIUM ARSENITE ON GAP JUNCTION COMMUNICATION IN RAT LIVER EPITHELIAL CELLS |
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Influence of sodium arsenite on gap junction communication in rat-Iiver epitheiial cells.
Arsenic is known to cause certain types of cancers, hepatitis, cirrhosis and neuro...
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INORGANIC CHEMICAL CHARACTERIZATION OF WATER TREATMENT PLANT RESIDUALS |
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The study obtained field data on the inorganic contaminants and constituents in residuals produced by Water Treatment Plants (WTPs). Eight WTPs were studied based on treatment tech...
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INORGANIC CONTAMINANT REMOVAL FROM DRINKING WATER BY REVERSE OSMOSIS |
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The experimental data show the high-pressure system to be much more effective than the low-pressure system for the removal of all contaminants and natural constituents. The high-pr...
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INORGANIC SPECIES IN WATER: ECOLOGICAL SIGNIFICANCE AND ANALYTICAL NEEDS. A LITERATURE REVIEW |
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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...
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INSIGHTS INTO THE CARCINOGENIC MODE OF ACTION OF ARSENIC |
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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...
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INTEGRATED MULTIMEDIA DECISION-MAKING FOR HUMAN AND ECOLOGICAL RISK ASSESSMENT: A NATIONAL-SCALE STUDY OF LAND APPLICATION OF ARSENIC-BEARING WASTES |
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Requisite to the development and application of sound waste management policies, decision-makers must discern the impact of a given waste management approach upon both human and ec...
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INTEGRATED QUANTITATIVE CANCER RISK ASSESSMENT OF INORGANIC ARSENIC |
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This paper attempts to make an integrated risk assessment of arsenic, using data on humans exposed to arsenic via inhalation and ingestion. he data useful for making an integrated ...
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INTERACTIVE WORKSHOP ON ARSENIC REMOVAL FROM DRINKING WATER |
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In 2005, EPA's Office of Water and Office of Research and Development collaborated to present eleven arsenic training events. The workshops provided in-depth treatment technology t...
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INTERINDIVIDUAL VARIATION IN THE METABOLISM OF ARSENIC IN CULTURED PRIMARY HUMAN HEPATOCYTES |
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Liver is a prime site for conversion of inorganic arsenic (iAs) to methylated metabolites, including methylarsenicals (MAs) and dimethylarsenicals (DMAs). To assess interindividua...
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INTERINDIVIDUAL VARIATION IN THE METABOLISM OF ARSENIC IN HUMAN HEPATOCYTES |
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The liver is the major site for the enzymatic methylation of inorganic arsenic (iAs) in humans. Primary cultures of normal human hepatocytes isolated from tissue obtained at su...
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INTERNAL DOSIMETRY: THE BRIDGE BETWEEN ARSENIC EXPOSURE AND HEALTH EFFECTS |
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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....
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INTRODUCTION AND OVERVIEW OF WORKSHOP ON MANAGING ARSENIC RISKS TO THE ENVIRONMENT |
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The purpose of this workshop will be to serve as a technical forum for the exchange of information on treating arsenic and arsenic compounds. The goals of the workshop are 1) to ex...
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INTRODUCTION Ā CONTROLS ON ARSENIC TRANSPORT IN NEAR-SURFACE AQUATIC SYSTEMS |
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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...
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INVERTEBRATE AND PLANT ECO-SSLS DERIVED FROM PUBLISHED TOXICITY STUDIES |
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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...
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INVESTIGATION OF ARSENIC SPECIATION ON DRINKING WATER TREATMENT MEDIA UTILIZING AUTOMATED SEQUENTIAL CONTINUOUS FLOW EXTRACTION WITH IC-ICP-MS DETECTION |
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Three treatment media, used for the removal of arsenic from drinking water, were sequentially extracted using 10mM MgCl2 (pH 8), 10mM NaH2PO4 (pH 7) followed by 10mM (NH4)2C2O4 (pH...
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INVESTIGATION OF ARSENOSUGAR-SUBSTRATE INTERACTIONS IN SEAFOOD EXTRACTED WITH TETRAMETHYLAMMONIUM HYDROXIDE |
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The maximum contaminate level (MCL) for arsenic is currently being revised within the U.S. Safe Drinking Water Regulations. The proposed MCL is 10 ng/g. The formulation of this M...
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INVESTIGATION OF ARSINE-GENERATING REACTIONS USING DEUTERIUM-LABELED REAGENTS AND MASS SPECTROMETRY |
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Mass spectrometry was used to detect transfer of deuterium from labeled reagents to arsines following hydride-generation reactions. The arsine gases liberated from the reactions of...
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INVESTIGATION OF NEW TECHNIQUES FOR CONTROL OF SMELTER ARSENIC BEARING WASTES. VOLUME I: EXPERIMENTAL PROGRAM |
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In 1976, the Industrial Environmental Research Laboratory at Cincinnati sponsored a research program at the Mineral Research Center, Montana Tech Alumni Foundation, to investigate ...
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INVESTIGATION OF SEQUENTIAL AND ENZYMATIC EXTRACTION OF ARSENIC FROM DRINKING WATER DISTRIBUTION SOLIDS WITH ICP-MS |
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A sequential extraction approach was utilized to estimate the distribution of arsenite [As(III)] and arsenate [As(V)] on iron oxide/hydroxide solids obtained from drinking water di...
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INVESTIGATIONS INTO AGE-RELATED SUSCEPTIBILITY TO ARSENIC CARCONOGENICITY |
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Environmental Issue. Arsenic compounds are ubiquitous throughout the environment and are a major health problem in many parts of the world. Human exposure to arsenic has been ident...
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INVESTIGATIONS INTO THE MODE OF ACTION (MOA) OF ARSENIC USING THE SINGLE CELL GEL (SCG) ASSAY AND CYTOGENETICS |
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Arsenic is a globally important pollutant found in the air, food, and in many water systems causing significant human exposure and in some cases illness. While there is no doubt th...
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INVESTIGATIONS INTO THE MODE OF ACTION OF ARSENIC |
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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...
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INVESTIGATIONS OF NEW TECHNIQUES FOR CONTROL OF SMELTER ARSENIC BEARING WASTES. VOLUME II: LITERATURE REVIEW |
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In 1976, the Industrial Environmental Research Laboratory at Cincinnati sponsored a research program at the Mineral Research Center, Montana Tech Alumni Foundation, to investigate ...
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IRON COAGULATION/FILTRATION AND IRON REMOVAL- DEMONSTRATION PROJECTS: LESSONS LEARNED |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. The U.S. EPA is supporting a large full-scale arsenic t...
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IRON PRECIPITATION AND ARSENIC ATTENUATION - ASSESSMENT OF ARSENIC NATURAL ATTENUATION OF THE SUBSURFACE USING A GEOCHEMICAL MODEL (PHREEQC) |
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Laboratory experiments show that amorphous and poorly crystallized ferric iron hydroxides have much greater capacity to attenuate arsenic compared to clays and other aluminosilicat...
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IRON PRECIPITATION AND ARSENIC ATTENUATION - ASSESSMENT OF ARSENIC NATURAL ATTENUATION OF THE SUBSURFACE USING A GEOCHEMICAL MODEL (PHREEQC): ABSTRACT |
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NRMRL-ADA-01310
Chen, J., Lin, Z, and Azadpour-Keeley**, A. "Iron Precipitation and Arsenic Attenuation - Assessment of Arsenic Natural At...
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IRON PROCESSES: SYSTEM MODIFICATION OF EXISTING PLANTS FOR ENHANCED ARSENIC REMOVAL |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Many groundwaters that have arsenic in their source wa...
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IRON REMOVAL PROCESSES: DESIGN OF NEW SYSTEMS |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Many groundwaters that have arsenic in their source wa...
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IRON REMOVAL PROCESSES: FULL SCALE EXPERIENCE |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Many groundwaters that have arsenic in their source wa...
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IRON SULFIDE-ARSENITE INTERACTIONS: ADSORPTION BEHAVIOR ONTO IRON MONOSULFIDES AND CONTROLS ON ARSENIC ACCUMULATION IN PYRITE |
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Because arsenic in ground water and surface water poses a risk to ecosystem and human health, more detailed information is needed on the factors that govern arsenic fate and transp...
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IRON SULFIDES IN THE ENVIRONMENT: FORMATION, FATE, AND SIGNIFICANCE TO CONTAMINANT BEHAVIOR |
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This seminar will cover aspects of the geochemistry of iron sulfides, their formation in sedimentary and aquifer environments, and their roles in sequestering and releasing contami...
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IS INHALED ARSENIC CARCINOGENIC FOR SITES OTHER THAN THE LUNG? |
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The carcinogenic risk from inhaled arsenic for sites other an the lung is discussed. Data from persons ingesting arsenic as well as from persons inhaling arsenic are considered in ...
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ISOTOPIC COMPOSITIONS OF SULFATE ASSOCIATED WITH THE OXIDATION OF ARSENIAN SULFIDE MINERALOGY IN THE GOOSE RIVER GROUNDWATERSHED, MAINE |
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Geogenic arsenic occurs in groundwater within the polymethamorphic amphibolite-grade Waldoboro Pluton Complex in mid-coastal Maine. A few As water samples exceeded 10 ug l(-1). Par...
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Immunotoxicity -- The Risk is Real |
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Several papers published over the last year represent significant progress in closing the gap between rodent immunotoxicity data and human risk and indicate that, at least for the ...
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Influence Of Trace Metal Distribution On Its Leachability From Coal Fly Ash |
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The risks associated with the reuse of coal fly ash in natural environmental settings in terms of their mobility and ecotoxicological significance is largely determined by: (1) the...
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Investigation of the Biotransformation of a DMA in Mouse Cecum Samples Using IC-ICP-MS and LC-ESI-MS/MS Detection |
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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...
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JUDGING PUBLIC RISK - NOT ALL ARSENICS ARE CREATED EQUAL |
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Many trace elements occur in the environment in several chemical forms, called species. Each species has unique physical-chemical properties that affect how it moves in the environ...
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KINETICS OF ARSENATE REDUCTION BY DISSOLVED SULFIDE. (R825399) |
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Arsenic toxicity and mobility in soil and aquatic environments depends on its
speciation, with reducing environments generally leading to more hazardous
conditions with ...
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LABORATORY ANALYSIS FOR ARSENIC IN DRINKING WATER SAMPLES |
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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...
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LABORATORY STUDY ON THE OXIDATION OF ARSENIC III TO ARSENIC V |
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A one-year laboratory study was performed to determine the ability of seven oxidants to oxidize As(III) to As(V). These included chlorine, permanganate, ozone, chlorine dioxide, mo...
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LACK OF DNA SINGLE STRAND BREAKS IN A LUNG EPITHELIAL CELL LINE AFTER EXPOSURE TO ARSENIC |
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Arsenic (As) is a carcinogen whose most important target organs include the skin and lungs. Exposure can occur via water ingestion, or inhalation, as As is a by-product of fossil f...
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LAND REBORN: TOOLS FOR THE 21ST CENTURY/NATIONAL ASSOCIATION OF ABANDONED MINE LAND PROGRAMS |
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Mining activities in the US (not counting coal) produce 1-2 billion tons of mine waste annually. Since many of the ore mines involve sulfide minerals, the production of acid mine d...
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LEACHABILITY OF METALS FROM MINERAL PROCESSING WASTE |
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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...
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LEACHING OF CCA-TREATED WOOD: IMPLICATIONS FOR WASTE DISPOSAL |
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Leaching of arsenic, chromium, and copper from chromated copper arsenate (CCA)-treated wood poses possible environmental risk when disposed. Samples of un-weathered CCA-treated woo...
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LEACHING OF METALS FROM MINERAL PROCESSING WASTE |
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The purpose of this project is to test the leaching of Mineral processing Waste (MPW) contaminated with heavy metals using scientifically defendable leaching tests other than TCLP....
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LEACHING OF METALS FROM MINERAL PROCESSING WASTE |
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The purpose of this project is to test the leaching of Mineral Processing Waste (MPW) contaminated with heavy metals using scientifically defendable leaching tests other than TCLP....
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LEACHING OF OXOANION-FORMING ELEMENTS FROM MINERAL PROCESSING WASTE USING CONSTANT PH TEST |
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The Toxicity Characteristic Leaching Procedure (TCLP) is currently used for determining whether wastes meet toxicity characteristic and have the potential to contaminate groundwate...
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LETTER TO EDITOR ON ARTICLE "ARSENIC MEANS BUSINESS" |
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The letter to the editor was written to point out that different forms of arsenic are found in source waters and that the technologies listed in the article such as POU RO will not...
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LETTER TO EDITOR REGARDING "ARSENIC CHALLENGES FOR WATER UTILITIES" |
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The two part series on "Arsenic Challenges for Water Utilities" have provided useful information for the many small water utilities faced with arsenic problems. Part II states tha...
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LITERATURE REVIEW ON OCCURRENCE AND METHODOLOGY FOR DETERMINATION OF NICKEL, CHROMIUM, MANGANESE, AND ARSENIC SPECIES IN AIR |
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A critical literature review of the state of the art for speciation of arsenic, chromium, manganese, and nickel in atmospheric samples was performed. Techniques for distinguishing ...
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LOCATING BURIED WORLD WAR 1 MUNITIONS WITH REMOTE SENSING AND GIS |
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Remote Sensing is a scientific discipline of non-contact monitoring. It includes a range of technologies that span from aerial photography to advanced spectral imaging and analyti...
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LONG-TERM PERFORMANCE OF PERMEABLE REACTIVE BARRIERS: AN UPDATE ON A U.S. MULTI-AGENCY INITIATIVE |
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Permeable reactive barriers (PRB's) are an emerging, alternative in-situ approach for remediating contaminated groundwater that combine subsurface fluid flow management with a pa...
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MACROPHAGE AGGREGATES AS BIOMARKERS OF EXPOSURE: FROM FERAL POPULATIONS TO LABORATORY MODELS |
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Macrophage aggregates (MAs) are structures within the spleen, kidney and sometimes liver of teleost fishes. They are believed to function much like primitive lymph nodes in that ph...
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MANAGEMENT OF ARSENICAL WOOD PRESERVING RESIDUALS BY RECOVERY AND IMMOBILIZATION |
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Chromated copper arsenate (CCA) is the predominant wood preservative used in the U.S. (67% by volume of wood treated). he residuals from pressure treatment of lumber consist of was...
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MANAGING ARSENIC CONTAMINATED SOIL, SEDIMENT, AND INDUSTRIAL WASTE WITH SOLIDIFICATION/STABILIZATION TREATMENT |
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Arsenic contamination of soil, sediment and groundwater is a widespread problem in certain areas and has caused great public concern due to increased awareness of the health risks....
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MANAGING SOURCES TO REDUCE RISK IN AND AROUND THE INDOOR ENVIRONMENT: IMPACT OF COATINGS ON DISLODGEABLE ARSENIC ON THE SURFACES OF CCA-TREATED WOOD |
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Due to the potential for ingestion of chromated copper arsenate (CCA) by the hand-to-mouth activities of young children who contact CCA treated wood, EPA has used wipe samples to s...
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MARINE SEDIMENT TIE METHODS FOR ANIONIC METALS |
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Platform presentation at a scientific meeting...
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MARINE SEDIMENT TOXICITY IDENTIFICATION EVALUATION (TIE) METHODS FOR THE ANIONIC METALS ARESNIC AND CHROMIUM |
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Poster presentation at a scientific meeting...
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MARINE SEDIMENT TOXICITY IDNETIFICATION EVALUATION METHODS FOR THE ANIONIC METALS ARSENIC AND CHROMIUM |
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Marine sediments accumulate a diversity of contaminants and, in some cases, demonstrate toxicity because of this contamination. Toxicity Identification Evaluation (TIE) methods pr...
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MASS BALANCE DETERMINATIONS FOR POLLUTANTS IN URBAN REGIONS. METHODOLOGY WITH APPLICATIONS TO LEAD, ZINC, CADMIUM, AND ARSENIC |
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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...
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MECHANISM(S) OF UPTAKE AND SEQUESTRATION OF LEAD AND OTHER HEAVY METALS BY PSEUDOMONAS AERUGINOSA CHL-004 |
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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...
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MEETING AT CAMBRIDGE, MA: GENE EXPRESSION IN NORMAL HUMAN KERATINOCYTES MODULATED BY TRIVALENT ARSENICALS |
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Arsenic exposure has been correlated with the development of several human cancers including those found in the skin, lung, liver, kidney and urinary bladder. Humans are
generally...
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MEETING AT SAN DIEGO, CA: GENE EXPRESSION IN NORMAL HUMAN KERATINOCYTES MODULATED BY TRIVALENT ARSENICALS |
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Arsenic exposure has been correlated with the development of several human cancers including those found in the skin, lung, liver, kidney and urinary bladder. Humans are generally ...
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MERCURY SEPARATION FROM POLLUTANT WATER USING ZEOLITES |
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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...
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MERCURY, LEAD, ARSENIC, AND CADMIUM IN BIOLOGICAL TISSUE. THE NEED FOR ADEQUATE STANDARD REFERENCE MATERIALS |
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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...
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METABOLISM AND DISPOSITION OF INORGANIC ARSENIC IN LABORATORY ANIMALS AND HUMANS |
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The carcinogenicity of inorganic arsenic in humans, particulary in the lung and skin, has been reasonably well established through epidemiological investigations. owever, there is ...
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METABOLISM AND TISSUE DOSIMETRY OF PENTAVALENT AND TRIVALENT MONOMETHYLATED ARSENIC AFTER ORAL |
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METABOLISM AND TISSUE DOSIMETRY OF PENTAVALENT AND TRIVALENT MONOMETHYLATED ARSENIC AFTER ORAL ADMINISTRATION IN MICE
M F Hughes1, V Devesa2, B M Adair1, M Styblo2, E M Kenyon1,...
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METABOLISM AND TOXICITY OF AS IN HUMAN UROTHELIAL CELLS EXPRESSING RAT ARSENIC (+3 OXIDATION STATE)-METHYLTRANSFERASE |
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The enzymatic methylation of inorganic As (iAs) is catalyzed by As(+3 oxidation state)-methyltransferase (AS3MT). AS3MT is expressed in rat liver and in human hepatocytes However, ...
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METABOLISM AS A DETERMINING FACTOR IN ACUTE AND CHRONIC TOXICITY OF INORGANIC ARSENIC |
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The metabolism of inorganic arsenic (iAs) in humans involves reduction of As(V)-species to trivalency and oxidative methylation of As(III)-species. In this pathway, iAs is convert...
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METABOLISM OF ARSENIC AND INHIBITION OF THIOREDOXIN REDUCTASE IN RAT HEPATOCYTES |
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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....
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METABOLISM OF ARSENIC IN PRIMARY CULTURES OF HUMAN AND RAT HEPATOCYTES. (R826136) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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METABOLISM OF ARSENIC IN PRIMARY CULTURES OF HUMANS AND RAT HEPATOCYTES |
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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....
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METABOLISM OF INORGANIC ARSENIC AND METHYLATED ARSENICALS IN PRIMARY HUMAN HEPATOCYTES |
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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....
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METABOLSM OF PENTAVALENT AND TRIVALENT DIMETHYLARSENIC ARSENIC IN THE MOUSE |
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Dimethylarsinic acid (DMA(V)) is a rat bladder carcinogen after chronic exposure in either drinking water or the diet. DMA(V) is also a major urinary metabolite of mammals exposed...
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METAL BIOACCUMULATION IN FISHES AND AQUATIC INVERTEBRATES: A LITERATURE REVIEW |
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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...
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METAL INTERACTIONS AT SULFIDE MINERAL SURFACES: PART 3, METAL AFFINITIES IN SINGLE AND MULTIPLE ION ADSORPTION REACTIONS |
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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...
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METAL PARTICULATE EMISSIONS FROM STATIONARY SOURCES. VOLUME 1. STANDARD SAMPLING AND ANALYSIS METHOD |
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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...
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METALS AND METALLOIDS IN TISSUES OF AMERICAN ALLIGATORS IN THREE FLORIDA LAKES |
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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...
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METALS DISTRIBUTION IN SOLIDIFIED/STABILIZED WASTE FORMS AFTER LEACHING |
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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...
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METALS TESTING REPORT: METAL CONTENT OF ENVIRONMENTAL SAMPLES FROM REGION 4 |
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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...
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METHOD FOR MEASURING BACTERIAL RESISTANCE TO METALS EMPLOYING EPIFLUORESCENT MICROSCOPY |
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A direct viable counting method has been developed which can be used to measure resistance of bacteria to metal (DVCMR bio-assay). Results obtained using DVCMR was compared with cl...
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METHODS OF REMOVING DRINKING WATER CONTAMINANTS AND THEIR LIMITATION: INORGANICS AND RADIONUCLIDES |
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In 1986, Congress amended the Safe Drinking Water Act requiring USEPA to regulate 83 contaminants within 3 years according to a specified scheduled time, and 25 more contaminants e...
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METHODS TO EVALUATE ARSENIC BIOAVAILABILITY ASSOCIATED WITH THE PRESENCE OF CCA-TREATED WOOD PRODUCTS |
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This is an invited paper to be presented by Dr. Karen Bradham at the 8th International Conference on the Biogeochemistry of Trace Elements, Adelaide, Australia, April 3 - 7, 2005. ...
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METHYLATED ARSENIC IN URINE AS A FUNCTION OF EXPOSURE TO INORGANIC ARSENIC IN DRINKING WATER |
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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....
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METHYLATED ARSENICIII SPECIES ARE POTENTIAL PROXIMATE OR ULTIMATE GENOTOXIC FORMS OF ARSENIC |
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METHYLATED ARSENIC(III) SPECIES ARE POTENTIAL PROXIMATE OR UL TIMA TE GENOTOXIC FORMS OF ARSENIC
Inorganic arsenic (iAs, arsenite and arsenate) has been thought to act as a...
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METHYLATED ASIII COMPOUNDS AS POTENTIAL PROXIMATE/ULTIMATE GENOTOXIC METABOLITES OF INORGANIC ARSENIC |
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METHYLATED Asm COMPOUNDS AS POTENTIAL PROXIMATE/ULTIMATE GENOTOXIC METABOLITES OF INORGANIC ARSENIC.
The methylation of inorganic arsenic has typically been viewed as a d...
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METHYLATED TRIVALENT ARSENIC SPECIES ARE GENOTOXIC |
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ABSTRACT
The genotoxic effects of arsenic compounds are generally believed to result from other than direct interacton with DNA. The reactivties of methyloxarsine (MAsIII) ...
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METHYLATED TRIVALENT ARSENIC SPECIES ARE GENOTOXIC. (R826136) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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METHYLATED TRIVALENT ARSENICALS AS CANDIDATE ULTIMATE GENOTOXIC FORMS OF ARSENIC: INDUCTION OF CHROMOSOMAL MUTATIONS BUT NOT GENE MUTATIONS |
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ABSTRACT
Arsenic is a prevalent human carcinogen whose mutagenicity has not been characterized fully. Exposure to either form of inorganic arsenic, AsIII or AsV, can result in...
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METHYLATION INACTIVATES PENTAVALENT ARSENIC SPECIES BUT ACTIVATES TRIVALENT ARSENIC SPECIES TO POTENT GENOTOXICANTS |
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Methylation Inactivates Pentavalent Arsenic Species but Activates Trivalent Arsenic Species to Potent Genotoxicants
The sensitivity ofhumans to arsenic-induced cancer is th...
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METHYLATION OF ARSENITE BY SOME MAMMALIAN CELL LINES |
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THIS ABSTRACT WAS SUBMITTED ELECTRONICALLY;. SPACE CONSTRAINTS WERE SEVERE)
Methylation of Arsenite by Some Mammalian Cell Lines.
Methylation of arsenite is thought...
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METHYLATION OF SODIUM ARSENITE BY VARIOUS MAMMALIAN CELLS |
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Methylation of Sodium Arsenite by various Mammalian Cells
Methylation of arsenite (As 3-1) is thought to play an important role in the carcinogenicity of arsenic. AIM:...
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MEXAMS (METALS EXPOSURE ANALYSIS MODELING SYSTEM) |
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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...
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MICROBIAL MOBILIZATION OF ARSENIC FROM SEDIMENTS OF THE ABERJONA WATERSHED. (R823222) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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MICROBIAL POPULATIONS ASSOCIATED WITH THE REDUCTION AND ENHANCED MOBILIZATION OF ARSENIC IN MINE TAILINGS. (R827457E03) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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MICROBIAL REDUCTION OF ARSENATE IN THE PRESENCE OF FERRIHYDRITE. (R825403) |
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Increased mobilization of As under anaerobic conditions is of great concern
in As contaminated soils and sediments. The identification of important release
mechanisms ma...
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MICROBIAL SEQUESTRATION OF LEAD AND OTHER HEAVY METALS |
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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...
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MICROSCALE FLOW INJECTION AND MICROBORE HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY COUPLED WITH INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY VIA A HIGH-EFFICIENCY NEBULIZER |
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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....
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MICROSCALE FLOW INJECTION AND MICROBORE HIGH-PERFORMANCE LIQUID CHROMATORGRAPHY COUPLED WITH INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY VIA A HIGH-EFFICIENCY NEBULIZER |
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A high-effeciency nebulizer has been used for coupling microscale flow injection and microbore high-performance liquid chromatography with inductively coupled plasma mass spectrome...
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MICROWAVE PLASMA DETOXIFICATION PROCESS FOR HAZARDOUS WASTES. PHASE II. SYSTEMS APPLICATION EVALUATION |
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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...
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MILLARD COUNTY, UTAH STUDY ON BIOMARKERS OF ARSENIC EXPOSURE |
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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....
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MINE WASTE TECHNOLOGY PROGRAM - SULFATE REDUCING BACTERIA REACTIVE WALL DEMO |
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Efforts reported in this document focused on the demonstration of a passive technology that could be used for remediation of
thousands of abandoned mines existing in the Wes...
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MINE WASTE TECHNOLOGY PROGRAM - UNDERGROUND MINE SOURCE CONTROL DEMONSTRATION PROJECT |
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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....
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MINERALOGY AND CHARACTERIZATION OF ARSENIC, IRON, AND LEAD IN A MINE WASTE-DERIVED FERTILIZER |
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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, Mƶssbauer spectro...
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MNA of Inorganic Contaminants: Contrasting Behavior of Base Metals and Oxyanions |
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EPAās Office of Research and Development has recently prepared technical resource documents for the application of MNA to inorganic contaminants in groundwater. These documents pr...
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MOBILE SYSTEM FOR EXTRACTING SPILLED HAZARDOUS MATERIALS FROM EXCAVATED SOILS |
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Laboratory tests were conducted with three separate pollutants (phenol, arsenic trioxide, and polychlorinated biphenyls (PCB's) and two soils of widely different characteristics (s...
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MODEL CALCULATIONS OF THE ANNUAL ATMOSPHERIC DEPOSITION OF TOXIC METALS TO LAKE MICHIGAN |
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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...
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MODES OF ACTION FOR THE CARCINOGENICITY AND TOXICITY OF ARSENIC - MOVING TOWARDS A MORE QUANTITATIVE RISK ASSESSMENT |
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Arsenic exposures can lead to human tumors in skin, lung, urinary bladder, kidney and liver. Three likely initial stages of arsenicalĀ¬macromolecular interaction are (1) binding of ...
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MODIFYING IRON REMOVAL PROCESSES TO INCREASE ARSENIC REMOVAL |
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Iron and manganese are naturally occurring substances that are normally found in insoluble forms in many ground waters in the US. Similar to iron and manganese, arsenic also occurs...
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MODIFYING IRON REMOVAL PROCESSES TO INCREASE ARSENIC REMOVAL |
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Iron and manganese are naturally occurring substances that are normally found in insoluble forms in many ground waters in the US. Similar to iron and manganese, arsenic also occurs...
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MOLECULAR BONDING SYSTEM - INNOVATIVE TECHNOLOGY EVALUATION REPORT |
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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...
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MOLECULAR MECHANISMS OF DIABETOGENIC EFFECTS OF ARSENIC: INHIBITION OF INSULIN SIGNALING BY ARSENITE AND METHYLARSONOUS ACID |
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Increased prevalence of diabetes mellitus has been reported among individuals chronically exposed to inorganic arsenic (iAs). However, mechanisms underlying the diabetogenic effec...
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MOLECULAR PROCESSES IN CELLULAR ARSENIC METABOLISM |
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Elucidating molecular processes that underlie accumulation, metabolism, and binding of iAs and its methylated metabolites provides a basis for understanding the modes of action by ...
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MOLECULAR SPECTRAL INTERFERENCE IN THE DETERMINATION OF ARSENIC BY FURNACE ATOMIC ABSORPTION |
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A molecular spectral interference associated with a certain type of suspended particulate matter in natural waters is reported for the furnace atomic absorption determination of ar...
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MOLECULAR STUDIES OF PSEUDOMONAS AERUGINOSA CHL-004'S INTERACTION WITH HEAVY METALS |
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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...
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MOVEMENT OF HAZARDOUS SUBSTANCES IN SOIL: A BIBLIOGRAPHY. VOLUME 1. SELECTED METALS |
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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...
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MOVEMENT OF HAZARDOUS SUBSTANCES IN SOIL: A BIBLIOGRAPHY. VOLUME 2. PESTICIDES |
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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...
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MOVEMENT OF SELECTED METALS, ASBESTOS, AND CYANIDE IN SOIL: APPLICATIONS TO WASTE DISPOSAL PROBLEMS |
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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...
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MULTIELEMENTAL ANALYTICAL TECHNIQUES FOR HAZARDOUS WASTE ANALYSIS: THE STATE-OF-THE-ART |
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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...
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MULTIPLE CONTAMINANT ISSUES AND TECHNOLOGIES |
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The presentation provides information on the removal of arsenic with either nitrate, uranium, radium, radon and antimony as a co-contaminant. The technologies discussed as having ...
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MULTIPLE CONTAMINANTS CASE STUDIES |
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The presentation provides information taken from the arsenic demonstration program projects that have treatment systems removing multiply contaminants from drinking water. The case...
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MULTIVARIATE ANALYSIS ON LEVELS OF SELECTED METALS, PARTICULATE MATTER, VOC, AND HOUSEHOLD CHARACTERISTICS AND ACTIVITIES FROM THE MIDWESTERN STATES NHEXAS |
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Microenvironmental and biological/personal monitoring information were collected during the National Human Exposure Assessment Survey (NHEXAS), conducted in the six states compri...
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MUNICIPAL WASTE COMBUSTION MULTIPOLLUTANT STUDY EMISSION TEST REPORT, MAINE ENERGY RECOVERY COMPANY, RE- FUSE DERIVED FUEL FACILITY, BIDDEFORD, MAINE - VOLUME I: SUMMARY OF RESULTS |
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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...
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MUNICIPAL WASTE COMBUSTION, MULTIPOLLUTANT STUDY, EMISSION TEST REPORT, MAINE ENERGY RECOVERY COMPANY REFUSE DERIVED FUEL FACILITY, BIDDEFORD, MAINE - VOLUME I |
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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...
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MUNICIPAL WASTE COMBUSTION, MULTIPOLLUTANT STUDY, EMISSION TEST REPORT, MAINE ENERGY RECOVERY COMPANY REFUSE DERIVED FUEL FACILITY, BIDDEFORD, MAINE - VOLUME III: APENDICES G-N |
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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...
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MUNICIPAL WASTE COMSUTION, MULTIPOLLUTANT STUDY, EMISSION TEST REPORT, MAINE ENERGY RECOVERY COMPANY REFUSE DERIVED FUEL FACILITY, BIDDEFORD, MAINE - VOLUME II: APPENDICES A-F |
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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...
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MY 20 YEARS EXPERIENCE IN CONDUCTING ENVIRONMENTAL HEALTH STUDIES IN CHINA: (1) STUDIES ON LUNG CANCER AND INDOOR AIR POLLUTION IN YUNNAN AND (2) HEALTH EFFECTS OF ARSENIC EXPOSURE VIA DRINKING WATER IN INNER MONGOLIA |
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As a research health scientist at U.S. Environmental Protection Agency, I have been very fortunate to have opportunities to work as a principal investigator for two major environme...
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Microbial As(III) Oxidation in Water Treatment Plant Filters |
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Arsenic exists in two oxidation states in water - arsenite [As(III)] and arsenate [As(V)]. As(III) is relatively mobile in water and difficult to remove by arsenic-removal treatmen...
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Monitored Attenuation of Inorganic Contaminants in Ground Water Volume 2 ā Assessment for Non-Radionuclides Including Arsenic, Cadmium, Chromium, Copper, Lead, Nickel, Nitrate, Perchlorate, and Selenium |
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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...
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NATIONAL HUMAN EXPOSURE ASSESSMENT SURVEY (NHEXAS): ANALYSIS OF EXPOSURE PATHWAYS AND ROUTES FOR ARSENIC AND LEAD IN EPA REGION 5 |
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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...
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NATIONAL HUMAN EXPOSURE ASSESSMENT SURVEY (NHEXAS): DISTRIBUTIONS AND ASSOCIATIONS OF LEAD, ARSENIC AND VOLATILE ORGANIC COMPOUNDS IN EPA REGION 5 |
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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....
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NATIONAL RISK MANAGEMENT RESEARCH LABORATORY OVERVIEW |
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This overview was given at the National Advisory Council for Environemntal Policy and Technology (NACEPT) Environmental Technologies Subcommittee Meeting held March 3-4, 2005....
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NEUROBEHAVIORAL EFFECTS OF EXPOSURE TO ENVIRONMENTAL POLLUTANTS IN CZECH CHILDREN |
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Ambient levels of SO2, NOx, PAHs and heavy metals are elevated in Northern Bohemia as a result of intensive mining and combustion of brown coal. To assess the neurotoxicological...
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NEUROSENSORY EFFECTS OF CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER IN INNER MONGOLIA: II. VIBROTACTILE AND VISUAL FUNCTION |
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This study was designed to assess the effects of exposure to arsenic in drinking water on visual and vibrotactile function in residents of the BaMen region of Inner Mongolia, China...
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NEUROSENSORY EFFECTS OF CHRONIC HUMAN EXPOSURE TO ARSENIC ASSOCIATED WITH BODY BURDEN AND ENVIRONMENTAL MEASURES |
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Exposure to arsenic in drinking water is known to produce a variety of
health problems including peripheral neuropathy. Auditory, visual and
somatosensory impairments have be...
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NEUROSENSORY HEALTH EFFECTS DUE TO CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER |
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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....
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NEUROTOXIC EFFECTS OF CHRONIC EXPOSURE TO ARSENIC VIA DRINKING WATER IN INNER MONGOLIA: I. SYMPTOMS AND PINPRICK TESTING |
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This study was designed to assess the effects of exposure to arsenic in drinking water on neurosensory function. A symptom questionnaire and brief neurological exam consisti...
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NEUTRON ACTIVATION ANALYSIS FOR SIMULTANEOUS DETERMINATION OF TRACE ELEMENTS IN AMBIENT AIR COLLECTED ON GLASS-FIBER FILTERS |
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Arsenic with 25 other elements are simultaneously determined in ambient air samples collected on glass-fiber filter composites at 250 United States sites. The instrumental neutron ...
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NHEERL RESEARCH ON CARCINOGENIC CONTAMINANTS IN DRINKING WATER |
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Water research in the Environmental Carcinogenesis Division focuses on improved understanding of the mechanisms of mutagenesis and carcinogenesis of water contaminants for incorpor...
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NHEXAS PHASE I REGION 5 STUDY--QUALITY SYSTEMS AND IMPLEMENTATION PLAN FOR HUMAN EXPOSURE ASSESSMENT STUDY (RTI/5740/02-02QSIP) |
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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...
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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) |
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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...
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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/ |
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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...
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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) |
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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...
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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) |
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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 ...
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NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE FOR THE OPERATION OF PS ANALYTICAL HYDRIDE GENERATION ATOMIC FLUORESCENCE SPECTROMETER (HGAFS) (NHX/SOP-300-001) |
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This procedure provides general guidelines for operating the PS Analytical hydride generation atomic fluorescence spectrometer (HGAFS). Atomic fluorescence is an element specific, ...
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NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE--ANALYSIS OF CARPET DUST FOR ARSENIC (RTI/ACS-AP-209-122) |
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The purpose of this protocol is to provide guidelines for the analysis of carpet dust samples for arsenic (As). This method involves the extraction of the analyte from carpet dust ...
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NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE--ANALYSIS OF HOUSE DUST FOR ARSENIC (RTI/ACS-AP-209-121) |
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The purpose of this protocol is to provide guidelines for the analysis of wipes that were used in Lioy-Wainman-Weisel (LWW) surface samplers to collect house dust for arsenic (As)....
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NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE--ANALYSIS OF SOIL FOR ARSENIC (RTI/ACS-AP-209-123) |
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The purpose of this protocol is to provide guidelines for the analysis of soil samples for arsenic. This method involves the extraction of the analyte from soil samples using a 50%...
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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) |
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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...
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NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE--DUST SAMPLING WORKPLAN (RTI/ACS-AP-209-020) |
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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...
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NHEXAS PHASE I REGION 5 STUDY--STANDARD OPERATING PROCEDURE--HUMAN BIOLOGICAL MARKERS:BLOOD AND URINE SAMPLE COLLECTION AND ANALYSES (EOHSI-AP-209-040) |
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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...
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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) |
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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...
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NINETEENTH CENTURY TECHNOLOGY - TWENTIETH CENTURY PROBLEMS: A RETROSPECTIVE MINI-ASSESSMENT |
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The systematic attempt to anticipate future environmental problems has usually been associated with the assessment of new or emerging technologies. In recent years, however, it has...
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NITRIFICATION AND ARSENIC REMOVAL IN BIOLOGICALLY ACTIVE FILTERS: A CASE STUDY |
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Arsenic removal from drinking water is under investigation due to the U.S. Environmental Protection Agencyās new maximum contaminant level (MCL) of 0.010 mg As/L (was 0.050 mg/L) ...
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NITRIFICATION AND ARSENIC REMOVAL IN BIOLOGICALLY ACTIVE FILTERS: A CASE STUDY |
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Ammonia in source waters can cause water treatment and distribution system problems, many of which are associated with biological nitrification. Therefore, in some cases, the remov...
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NITRIFICATION AND IRON AND ARSENIC REMOVAL IN BIOLOGICALLY ACTIVE FILTERS: A CASE STUDY |
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Ammonia in source waters can cause water treatment and distribution system problems, many of which are associated with biological nitrification. Therefore, in some cases, the remov...
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NITRIFICATION, AND IRON AND ARSENIC REMOVAL IN BIOLOGICALLY ACTIVE FILTERS: A CASE STUDY |
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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...
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NONDESTRUCTIVE MULTIELEMENT INSTRUMENTAL NEUTRON ACTIVATION ANALYSIS |
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A nondestructive instrumental neutron activation analysis procedure permitted accurate and sensitive measurement of most elements with atomic numbers between 11 and 92. The sensiti...
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ON THE USE OF HYDROCHLORIC ACID FOR DETERMINING SOLID-PHASE ARSENIC PARTITIONING IN ANOXIC SEDIMENTS |
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One of the challenges in assessing the current impact of the discharge of arsenic contaminated ground water into a surface water body is differentiating the arsenic ground water fl...
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OPERATION AND RESEARCH AT THE USEPA INCINERATION RESEARCH FACILITY: ANNUAL REPORT FOR FY91 |
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The U.S. Environmental Protection Agency's Incineration Research Facility (IRF) in Jefferson, Arkansas, is an experimental facility that houses two pilot-scale incinerators and the...
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OPERATIONS AND RESEARCH AT THE U.S. EPA INCINERATION RESEARCH FACILITY: ANNUAL REPORT FOR FY90 |
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The U.S. Environmental Protection Agency's Incineration Research Facility in Jefferson, Arkansas, is an experimental facility that houses two pilot.scale incinerators and the assoc...
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OPTIMIZING ARSENIC REMOVAL DURING IRON REMOVAL PROCESSES |
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The recently promulgated Arsenic rule will require that many new drinking water systems treat their water to remove arsenic. Many groundwaters that have arsenic in their source wa...
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OPTIMIZING ARSENIC REMOVAL DURING IRON REMOVAL: THEORETICAL AND PRACTICAL CONSIDERATIONS |
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New health effects research prompted the United States Environmental Protection Agency (USEPA) to reduce the drinking water standard for arsenic from 0.05 to 0.010 mg/L (10 Āµg/L), ...
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ORGANIC AND INORGANIC ARSENICALS SENSITIZE HUMAN BRONCHIAL EPITHELIAL CELLS TO HYDROGEN PEROXIDE-INDUCED DNA DAMAGE |
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The lungs are a target organ for arsenic carcinogenesis, however, its mechanism of action
remains unclear. Furthermore, it has been suggested that inorganic arsenic (iAs) can
pot...
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OUTCROP-BASED HIGH RESOLUTION GAMMA-RAY CHARACTERIZATION OF ARSENIC-BEARING LITHOFACIES IN THE PERMIAN GARBER SANDSTONE AND WELLINGTON FORMATION, CENTRAL OKLAHOMA AQUIFER (COA). CLEVELAND COUNTY, OKLAHOMA |
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The COA supplies drinking water to a number of municipalities in central Oklahoma. Two major stratigraphic units in the COA, the Garber Sandstone and Wellington Formation, contain...
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OUTCROP-BASED LITHOFACIES AND DEPOSITIONAL SETTING OF ARSENIC-BEARING PERMIAN RED BEDS IN THE CENTRAL OKLAHOMA AQUIFER (COA), CLEVELAND COUNTY, OKLAHOMA |
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In January 2001, the Environmental Protection Agency established safe drinking water standards for arsenic at a maximum concentration of 10 mg/L. Results from the National Water-Q...
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OVERVIEW OF EPA RESEARCH PROGRAM FOR HARD TO TREAT METALS - AS AND HG |
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The DOE and the USEPA have been investigating alternatives to incineration of metals such as mercury. The DOE has significant quantities of mixed waste containing mercury and is re...
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OVERVIEW OF MINE WASTE TECHNOLOGY PROGRAM |
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The Mine Waste Technology Program (MWTP) is an interagency agreement with the DOE and has partnerships with Universities, Forest Service, BLM, Industry and states. The mission of t...
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OVERVIEW OF SITE CHARACTERIZATION FOR ARSENIC CCONTAMINATED GROUND WATER |
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The presentation will provide an overview of site characterization, including sampling techniques, to assess arsenic contamination during ground water-surface water interactions. ...
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OVERVIEW OF USEPA ARSENIC DEMONSTRATION PROGRAM.WORKSHOP ON EPAāS ARSENIC REMOVAL DEMONSTRATION PROGRAM: RESULTS AND LESSONS LEARNED |
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This presentation provides a short summary of the Arsenic Treatment Technology Demonstration Program that includes information on the location of the sites, the technologies being ...
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OVERVIEW OF USEPA'S ARSENIC TECHNOLOGY DEMONSTRATION PROGRAM |
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This presentation provides a summary on the Arsenic Treatment Technology Demonstration Program. The information includes the history and the current status of the demonstration pro...
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OVERVIEW OF USEPA'S SMALL SYSTEMS DEMONSTRATION PROGRAM |
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This presentation provides an overview of the USEPA Arsenic Treatment Technology Demonstration Program. The information includes the status of the projects on both round 1 and roun...
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OVERVIEW: NATIONAL RISK MANAGEMENT RESEARCH LABORATORY AND RESEARCH ON CONTROL OF ARSENIC IN DRINKING WATER |
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This overview was given at the UTEP School of Engineering at their seminar series on February 2, 2005....
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OXIDATION AND METHYLATION STATUS DETERMINE THE EFFECTS OF ARSENIC ON THE MITOTIC APPARATUS |
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We investigated the spindle inhibitory properties of six arsenicals differing in their methylation or oxidation state. Human lymphoblasts were exposed for 6 h to either sodium arse...
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OXIDATION OF AS(III) BY AERATION AND STORAGE |
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A study of the effects of aeration and storage on the oxidation of arsenic(III) was undertaken at three utilities in the US to establish the engineering significance of aeration as...
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OXIDATIVE STRESS AS A POSSIBLE MODE OF ACTION FOR ARSENIC CARCINOGENESIS |
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Abstract
Many modes of action for arsenic carcinogenesis have been proposed, but few theories have a substantial mass of supporting data. Three stronger theories of arsenic...
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Organic Carbon as Inhibitor to SVOC and Metal Migration |
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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...
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Organic Carbon as Inhibitor to SVOC and Metal Migration in Stormwater Drywells Discharging to the Subsurface-SLIDES |
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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...
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PARTITIONING OF METALS IN ROTARY KILN INCINERATION |
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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...
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PARTNERING TO IMPROVE HUMAN EXPOSURE METHODS |
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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...
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PATHWAY OF INORGANIC ARSENIC METABOLISM |
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A remarkable aspect of the metabolism of inorganic arsenic in humans is its conversion to methylated metabolites. These metabolites account for most of the arsenic found in urine ...
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PATHWAYS OF ARSENIC METABOLISM |
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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....
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PEPTIDE BINDING AS A MODE OF ACTION FOR THE CARCINOGENICITY AND TOXICITY OF ARSENIC |
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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...
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PERMEABLE REACTIVE BARRIER STRATEGIES FOR REMEDIATION OF ARSENIC-CONTAMINATED GROUNDWATER |
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Results are presented from laboratory batch tests using zero-valent iron to treat arsenic-contaminated groundwater. The laboratory tests were conducted using near- neutral pH gr...
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PERMEABLE REACTIVE BARRIER STRATEGIES FOR REMEDIATION OF ARSENIC-CONTAMINATED GROUNDWATER: ABSTRACT |
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NRMRL-ADA-01152
Wilkin*, R.T., and Paul*, C.J. "Permeable Reactive Barrier Strategies for Remediation of Arsenic-
Contaminated Groundwater." In: Geological Society of America, Ab...
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PERMEABLE REACTIVE BARRIERS FOR IN-SITU TREATMENT OF ARSENIC-CONTAMINATED GROUNDWATER |
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Laboratory and field research has shown that permeable reactive barriers (PRBs)
containing a variety of materials can treat arsenic (As) contaminated groundwater. Sites where thes...
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PHARMACOKINETIC MODELING OF ARSENIC UPTAKE AND METABOLISM IN HEPATOCYTES - MECHANISTIC INSIGHTS AND IMPLICATIONS FOR FURTHER EXPERIMENTS |
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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....
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PHYSICAL SOLUTIONS FOR ACID MINE DRAINAGE AT REMOTE MINE SITES |
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After completing extensive bench-scale testing to determine optimum treatment approaches, the technology has been taken to the field. Preliminary results show that calcium hydroxi...
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PHYSICAL SOLUTIONS FOR ACID MINE DRAINAGE AT REMOTE MINE SITES (SLIDES) |
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After completing extensive bench-scale testing to determine optimum treatment approaches, the technology has been taken to the field. Preliminary results show that calcium hydroxi...
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PILOT STUDY FOR REMOVAL OF ARSENIC FROM DRINKING WATER AT THE FALLON, NEVADA NAVAL AIR STATION |
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The report presents the results of pilot plant testing of two treatment methods capable of removing arsenic from drinking water; activated alumina and ion exchange. Using the Naval...
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PILOT STUDY OF FLUORIDE AND ARSENIC REMOVAL FROM POTABLE WATER |
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Pilot plant studies were conducted on the removal of fluoride and arsenic from potable water using activated alumina as the adsorbent. The tests were run using water from the commu...
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PILOT-SCALE INCINERABILITY EVALUATION OF ARSENIC- AND LEAD-CONTAMINATED SOILS FROM TWO SUPERFUND SITES |
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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 ...
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PILOT-SCALE INCINERATION OF CONTAMINATED SOIL FROM THE CHEMICAL INSECTICIDE CORPORATION SUPERFUND SITE |
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An incineration test program was conducted at the U.S. Environmental protection Agency's Incinerator Research Facility to evaluate the potential of incineration as an option to tre...
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PLASMID DNA DAMAGE CAUSED BY METHYLATED ARSENICALS, ASCORBIC ACID AND HUMAN LIVER FERRITIN |
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PLASMID DNA DAMAGE CAOUSED BY METHYLATED ARSENICALS, ASCORBIC ACID AND HUMAN LIVER FERRITIN
ABSTRACT
Both dimethylarsinic acid (DMA(V)) and dimethylarsinous acid (DM...
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PLASMID DNA DAMAGE CAUSED BY METHYLATED ARSENICALS, ASCORBIC ACID AND HUMAN LIVER FERRITIN |
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Plasmid DNA damage caused by methylated arsenicals, ascorbic acid and human liver ferritin.
Arsenic causes cancer in human skin, urinary bladder, lung, liver and kidney and...
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POINT OF USE TREATMENT AND THE REVISED ARSENIC MCL. (R826890) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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POINT-OF-USE TREATMENT OF DRINKING WATER IN SAN YSIDRO, NM |
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This study was conducted to determine whether point-of-use (POU) reverse osmosis (RO) units could satisfactorily function in lieu of central treatment to remove arsenic and fluorid...
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POINT-OF-USE TREATMENT OF DRINKING WATER IN SAN YSIDRO, NM |
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A study was conducted to determine whether point-of-use reverse osmosis units could satisfactorily function in lieu of central treatment to remove arsenic and fluoride from the dri...
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POLLUTANTS FROM SYNTHETIC FUELS PRODUCTION: SAMPLING AND ANALYSIS METHODS FOR COAL GASIFICATION |
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The report describes sampling and analysis methods involving a laboratory-scale coal gasification facility used to study the generation, sampling, chemical analysis, process evalua...
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POLLUTION MONITORING OF PUGET SOUND WITH HONEY BEES |
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To show that honey bees are effective biological monitors of environmental contaminants over large geographic areas, beekeepers of Puget Sound, Washington, collected pollen and bee...
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POLLUTION PREVENTION IN THE SEMICONDUCTOR INDUSTRY THROUGH RECOVERY AND RECYCLING OF GALLIUM AND ARSENIC FROM GAAS POLISHING WASTES |
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A process was developed for the recovery of both arsenic and gallium from gallium arsenide polishing wastes. The economics associated with the current disposal techniques utilizing...
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POSTERS FOR WORKSHOP ON EPAāS ARSENIC REMOVAL DEMONSTRATION PROGRAM: RESULTS AND LESSONS LEARNED. |
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The Workshop included posters on 21 different arsenic demonstration projects. Each poster included information on raw water quality, cost of the system, a schematic of the layout o...
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POTENTIAL INDICATORS FOR THE ASSESSMENT OF ARSENIC NATURAL ATTENUATION IN THE SUBSURFACE |
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Arsenic is a priority pollutant found in soil and ground water contaminated by arsenic pesticides and industrial wastes. Assessing the natural attenuation capacity of the subsurfac...
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POU/POE TREATMENT OF ARSENIC IN GROUND WATER |
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Point-of-use/Point-of-entry (POU/POE) arsenic removal systems were installed in seventeen homes that were found to have high levels of arsenic (50-480ug/L) in their well water. Thi...
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PRECIPITATION OF ARSENIC TRISULFIDE BY DESULFOTOMACULUM AURIPIGMENTUM. (R823222) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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PREDICTION AND EVALUATION OF DIETARY MODEL ON ARSENIC EXPOSURES USING THE SHEDS MODEL |
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Arsenic (As) is one of the important environmental contaminants with many documented health hazards. Dietary intake is one of the most important exposure pathways for arsenic....
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PREDICTION OF CONTAMINATED SEDIMENT TRANSPORT IN THE MAURICE RIVER-UNION LAKE, NEW JERSEY, USA |
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This paper describes a sediment and contaminant transport model and its application to the Maurice River-Union Lake system in southern New Jersey, USA for the purpose of characteri...
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PREDICTION OF CONTAMINATED SEDIMENT TRANSPORT IN THE MAURICE RIVER-UNION LAKE, NEW JERSEY, USA |
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A sediment and contaminant transport model and its application to the Maurice River-Union Lake system in southern New Jersey, USA is described. The application is meant to characte...
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PREGNANCY AND PERINATAL OUTCOMES IN RELATION TO DRINKING WATER ARSENIC EXPOSURE IN BAMEN, INNER MONGOLIA, CHINA |
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Pregnancy and Perinatal Outcomes in Relation to Drinking Water Arsenic Exposure in BaMen, Inner Mongolia, China
Danelle T. Lobdell, Zhixiong Ning, Richard K. Kwok, Judy Mumford,...
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PRESENTATION ON USEPA ARSENIC DEMONSTRATION PROGRAM SYSTEM PERFORMANCE RESULTS |
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This presentation provides a short summary of the Arsenic Treatment Technology Demonstration Program that includes information on the location of the sites, the technologies being ...
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PRESENTATION SLIDES FROM USEPA WORKSHOP ON MANAGING ARSENIC RISKS TO THE ENVIRONMENT: CHARACTERIZATION OF WASTE, CHEMISTRY AND TREATMENT AND DISPOSAL, MAY 1-3, 2000, DENVER, CO |
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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....
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PRESERVATION OF AS(III) AND AS(V) IN DRINKING WATER SUPPLY SAMPLES FROM ACROSS THE UNITED STATES USING EDTA AND ACETIC ACID AS A MEANS OF MINIMIZING IRON-ARSENIC CO-PRECIPITATION |
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This paper evaluates seven different treatment/storage conditions for the preservation of the native As(III)/As(V) found in ten drinking water supplies from across the US. These t...
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PRESERVATION OF SULFIDIC WATERS CONTAINING DISSOLVED AS (III) |
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Field samples for arsenic analyses are commonly preserved by acidification with hydrochloric or nitric acid. In some suboxic samples, appreciable concentrations of H2S and HS- are...
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PRESERVATION OF SULFIDIC WATERS CONTAINING DISSOLVED AS (III) |
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Solutions containing variable concentrations of sulfide (p to31 ppm) and arsenite (0.35 to 10 ppm) were subjected to several different preservation treatments. As predicted by equ...
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PRESERVATIVE LEACHING FROM WEATHERED CCA-TREATED WOOD |
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Disposal of discarded CCA-treated wood in landfills raises concerns with respect to leaching of preservative compounds. When unweathered CCA-treated wood is leached using the toxic...
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PRINCIPLES OF SYNCHROTRON TECHNIQUES, POTENTIAL AND LIMITATIONS |
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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...
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PRIORITY POLLUTANT REMOVAL FROM MINE DRAINAGE |
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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,...
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PROCEEDINGS AND SUMMARY REPORT OF THE USEPA WORKSHOP ON MANAGING ARSENIC RISKS TO THE ENVIRONMENT: CHARACTERIZATION OF WASTE, CHEMISTRY AND TREATMENT AND DISPOSAL |
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The workshop "Managing Arsenic Risks to the Environment: Charaterization of Waste, Chemistry and Treatment and Disposal," was held 5/1-3/2001 in Denver, CO. This workshop was spons...
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PRODUCTION AND BIOLOGICAL SIGNIFICANCE OF METHYLATED TRIVALENT ARSENICALS |
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PRODUCTION AND BIOLOGICAL SIGNIFICANCE OF METHYLATED TRIVALENT ARSENICALS
Miroslav Styblo1,2,*, Zuzana Drobna1, Felecia S. Walton1, Ilona Jaspers1,2, Shan Lin3,
Stephen ...
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PROPOSED CARCINOGENIC MECHANISMS FOR ARSENIC |
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PROPOSED CARCINOGENIC MECHANISMS FOR ARSENIC.
Arsenic is a human carcinogen in skin, lung, liver, urinary bladder and kidney. In contrast,
there is no accepted experime...
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PROSPECTIVE 180S04 INDICATOR FOR IDENTIFYING ELEVATED ARSENIC RELEASE AREAS IN GROUNDWATER: GOOSE RIVER AND NORTHPORT WATERSHEDS, MAINE |
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Naturally-occurring arsenic is the most abundant source of As to groundwater in this nation. In Maine the perfect arsenic storm exists for drinking water supplies since over 70% of...
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PROTEOMIC PROFILING OF CULTURED HUMAN BLADDER CELLS AFTER TRIVALENT ARSENICAL EXPOSURES |
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Chronic exposure to arsenic has been associated with human cancers of the bladder, kidney, lung, liver, and skin. Inorganic arsenic is biotransformed in a stepwise manner via both ...
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PROTEOMIC PROFILING OF CULTURED HUMAN BLADDER CELLS AFTER TRIVALENT ARSENICAL EXPOSURES (SOT 2008) |
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Chronic exposure to arsenic has been associated with human cancers of the bladder, kidney, lung, liver, and skin. Inorganic arsenic is biotransformed in a stepwise manner via both ...
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PROVENANCE OF GEOGENIC ARSENIC IN THE GOOSE RIVER BASIN, MAINE, USA |
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Occurrences of arsenic (As) are sporadic in drinking water from many wells in mid-coastal Maine (ME). This is particularly the case where water supplies are pumped from fractured i...
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PROXIMATE OR ULTIMATE GENOTOXIC FORMS OF ARSENIC: METHYLATED ARSENIC(III) SPECIES THAT REACT DIRECTLY WITH DNA |
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PROXIMATE OR ULTIMATE GENOTOXIC FORMS OF ARSENIC: METHYLATED ARSENIC(III) SPECIES THAT REACT DIRECTL Y WITH DNA.
Abstract:
Although inorganic arsenic (iAs), ars...
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Potential for Siting New Water Wells and Restoring Existing Wells in Arsenic-Impacted Aquifers |
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Studies have indicated that arsenic concentrations greater than the new U.S. Environmental Protection Agency (EPA) maximum contaminant level (MCL) concentration of 10 micrograms pe...
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Proteomic Analysis of Arsenic-Induced Oxidative Stress in Human Epidermal Keratinocytes |
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Chronic exposure to inorganic arsenic (IAs) has been associated with the development of several human cancers, including those found in the skin, lung, urinary bladder, liver, pros...
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QUANTIFYING HAZARDOUS SPECIES IN PARTICULATE MATTER DERIVED FROM FOSSIL-FUEL COMBUSTION |
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An analysis protocol that combines X-ray absorption near-edge structure spectroscopy with selective leaching has been developed to examine hazardous species in size- segregated par...
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QUANTITATIVE TOXICOPROTEOMIC ANALYSIS OF CARCINOGEN-TREATED ANIMAL TISSUES AND HUMAN CELLS FOR HUMAN HEALTH RISK ASSESSMENT |
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Humans are exposed to a variety of environmental toxicants, and this together with a large number of interacting factors can contribute to an individual's risk for health. To under...
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RAPID ARSENITE OXIDATION BY THERMUS AQUATICUS AND THERMUS THERMOPHILUS: FIELD AND LABORATORY INVESTIGATIONS. (R826189) |
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Thermus aquaticus and Thermus thermophilus, common inhabitants of terrestrial hot springs and thermally polluted domestic and industrial waters, have been found to rapidly oxidi...
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RAPID ON-SITE ANALYSIS OF ARSENIC IN GROUNDWATER USING A MICROFABRICATED GOLD ULTRAMICROELECTRODE ARRAY. (R825511C022) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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RATES OF HYDROUS FERRIC OXIDE CRYSTALLIZATION AND THE INFLUENCE ON COPRECIPITATED ARSENATE |
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Arsenate coprecipitated with hydrous ferric oxide (HFO) was stabilized against dissolution during transformation of HFO to more crystalline iron (hydr)oxides. The rate of arsenate...
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RATES OF HYDROUS FERRIC OXIDE CRYSTALLIZATION AND THE INFLUENCE ON COPRECIPITATED ARSENATE: JOURNAL ARTICLE |
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NRMRL-ADA-02101
Ford*, R. Rates of Hydrous Ferric Oxide Crystallization and the Influence on Coprecipitated Arsenate. Environmental Scienc...
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RATES OF IRON OXIDATION AND ARSENIC SORPTION DURING GROUND WATER-SURFACE WATER MIXING AT A HAZARDOUS WASTE SITE |
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The fate of arsenic discharged from contaminated ground water to a pond at a hazardous waste site is controlled, in part, by the rate of ferrous iron oxidation-precipitation and ar...
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REACTION PROCESSES OF ARSENIC IN SULFIDIC SOLUTIONS |
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The fate of arsenic in the environment is fundamentally linked to its speciation. Arsenic in aerobic environments is predominantly arsenate, however under reducing conditions arsen...
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REACTION PROCESSES OF ARSENIC IN SULFIDIC SOLUTIONS |
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The fate of arsenic in the environment is fundamentally linked to its speciation. Arsenic in aerobic environments is predominantly arsenate, however under reducing conditions arsen...
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REACTIVE OXYGEN SPECIES IN WHOLE BLOOD, BLOOD PLASMA AND BREAST MILK: VALIDATION OF A POTENTIAL MARKER OF EXPOSURE AND EFFECT |
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Reactive oxygen species (ROS) are recognized to contribute to the pathobiology of many diseases. We have applied a simple chemiluminescent (CL) probe to detect ROS in various biol...
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RECA EXPRESSION IN RESPONSE TO SOLAR UVR IN THE MARINE BACTERIUM VIBRIO NATRIEGENS. |
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Medicinal plants may carry residuals of environmentally persistent pesticides or assimilate heavy metals in varying degrees. Several factors may influence contaminant accumulation,...
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RECENT ADVANCES IN ARSENIC CARCINOGENESIS: MODES OF ACTION, ANIMAL MODEL SYSTEMS AND METHYLATED ARSENIC METABOLITES |
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Abstract:
Recent advances in our knowledge of arsenic carcinogenesis include the development of rat or mouse models for all human organs in which inorganic arsenic is k...
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RECOMBINANT RAT CYT19, AN ARSENIC METHYLTRANSFERASE, EFFICIENTLY GENERATES TRIMETHYLARSINE OXIDE IN THE ABSENCE OF GLUTATHIONE |
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Chronic exposure to inorganic arsenic (iAs), a toxic metalloid sometimes present in drinking water, is associated with increased prevalences of various cancers and other disorders....
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RECONNAISSANCE FOR ARSENIC, ESTRADIOL, ANTIBIOTICS, AND MICROBIAL RESISTANCE IN POULTRY-DOMINATED CHESAPEAKE BAY WATERSHEDS |
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There are concerns about the effects from the high density of poultry feeding operations and the extensive use of feed amendments on water quality in the Shenandoah Valley in Virgi...
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RECOVERY OF METALS FROM ACID MINE DRAINAGE: JOURNAL ARTICLE |
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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...
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RECYCLING OF WATER TREATMENT PLANT SLUDGE VIA LAND APPLICATION: ASSESSMENT OF RISK |
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Water treatment sludges (WTS) offer potential benefits when applied to soil and recycling of the waste stream via land application has been proposed as a management option. Recycli...
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REDUCING ARSENIC LEVELS IN DRINKING WATER DURING IRON REMOVAL PROCESSES |
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The presentation provides an overview of iron removal technology for the removal of arsenic from drinking water. The presentation is divided into several topic topics: Arsenic Chem...
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REDUCING ARSENIC LEVELS IN DRINKING WATER DURING IRON REMOVAL PROCESSES - GREEN BAY, WI |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Many groundwaters that have arsenic in their source wa...
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REDUCING ARSENIC LEVELS IN DRINKING WATER DURING IRON REMOVAL PROCESSES - LAPEER, MI |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Many groundwaters that have arsenic in their source wa...
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REDUCING ARSENIC LEVELS IN DRINKING WATER DURING IRON REMOVAL PROCESSES - REDLANDS, CA |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Many groundwaters that have arsenic in their source wa...
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REDUCING ARSENIC LEVELS IN DRINKING WATER OR REMOVAL PROCESSES - EVERETT, WA |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Many groundwaters that have arsenic in their source wa...
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REDUCING ARSENIC LEVELS IN DRINKING WATER: APPROACHES AND CONSIDERATIONS |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. It has been projected that the State of Ohio will have...
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REDUCTION AND BINDING OF ARSENATE AND DIMETHYLARSINATE BY GLUTATHIONE: A MAGNETIC RESONANCE STUDY |
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By observing the chemical shifts of the proton and carbon-13 nuclei of reduced glutathione, the interactions of arsenate, arsenite and dimethylarsinate with this tripeptide have be...
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REDUCTION OF ARSENIC WASTES IN THE SEMICONDUCTOR INDUSTRY |
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The research described in this report was aimed at initiating and developing processes and process modifications that could be incorporated into semiconductor manufacturing operati...
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REDUCTION OF COAL-BASED METAL EMISSIONS BY FURNACE SORBENT INJECTION |
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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...
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REDUCTION OF COAL-BASED METAL EMISSIONS BY FURNACE SORBENT INJECTION |
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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-...
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REGIONAL AIR POLLUTION STUDY, NON-CRITERIA POLLUTANT INVENTORY |
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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...
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REGULATED CONTAMINANTS IN DRINKING WATER |
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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...
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REGULATION OF THE THIOREDOXIN-THIOREDOXIN REDUCTASE SYSTEM BY LOW DOSE ARSENITE; POSSIBLE IMPLICATION IN ARSENIC CARCINOGENESIS. (R826135) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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REGULATIONS ON THE DISPOSAL OF ARSENIC RESIDUALS FROM DRINKING WATER TREATMENT PLANTS |
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This report summarizes federal and selected state regulations that govern the management of residuals produced by small water treatment systems removing arsenic from drinking water...
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RELATIONSHIPS OF METALS IN FLOOR DUST AND ON THE HANDS OF TODDLERS |
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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...
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RELATIVE GENOTOXIC POTENCY OF ARSENIC AND ITS METHYLATED METABOLITES |
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NO ABSTRACT PROVIDED...
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RELATIVE LEACHING AND AQUATIC TOXICITY OF PRESSURE-TREATED WOOD PRODUCTS USING BATCH LEACHING TESTS |
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Samples of southern yellow pine dimensional lumber, each treated with one of five different waterborne chemical preservatives, were leached using 18-hour batch leaching tests. The ...
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REMEDIATION AND PROTECTION OF GROUND WATER FROM CONTAMINATION BY ARSENIC |
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Successful prevention of public exposure to arsenic in ground-water resources impacted by natural sources or contaminated sites is dependent on scientifically-based strategies for ...
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REMEDIATION STRATEGIES FOR GROUND WATER CONTAMINATED WITH METALS: CHROMIUM AND ARSENIC CASE STUDIES |
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This departmental seminar will explore current research activities at EPA's Ground Water and Ecosystem Restoration Division. In particular, aspects of the geochemistry of chromium...
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REMOTE SENSING OF FUGITIVE ARSENIC |
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The intentional or accidental release of hazardous substances into the environment is an
inevitable consequence of anthropogenic activity. Industrial, commercial, mining, mi...
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REMOVAL OF ARSENIC FROM DRINKING WATER BY CONVENTIONAL TREATMENT METHODS |
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The USEPA National Interim Primary Drinking Water Regulations (NIPDWR) established the maximum contaminant level (MCL) for arsenic at 0.05 mg/L in 1977. everal years ago the USEPA ...
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REMOVAL OF ARSENIC FROM DRINKING WATER SUPPLIES BY IRON REMOVAL PROCESS |
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This design manual is an in-depth presentation of the steps required to design and operate a water treatment plant for removal of arsenic in the As (V) form from drinking water usi...
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REMOVAL OF ARSENIC IN DRINKING WATER: ARS CFU-50 APC ELECTROFLOCCULATION AND FILTRATION WATER TREATMENT SYSTEM |
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ETV testing of the ARS CFU-50 APC Electroflocculation and Filtration Water Treatment System (ARS CFU-50 APC) for arsenic removal was conducted at the Town of Bernalillo Well #3 sit...
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REMOVAL OF HEAVY METALS AND SUSPENDED SOLIDS FROM BATTERY WASTEWATERS: APPLICATION OF HYDROPERM CROSS-FLOW MICROFILTRATION |
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This project was undertaken to evaluate the capability of crossflow microfiltration to remove suspended toxic metal and metal hydroxides from battery manufacturing wastewaters. The...
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REMOVAL OF HIGH-LEVEL ARSENIC BY ZERO-VALENT IRON |
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The objectives of this study were to conduct batch and column studies to (i) assess the effectiveness of zero-valent iron for arsenic remediation in groundwater, (ii) determine rem...
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REMOVAL OF TRACE ELEMENTS FROM ACID MINE DRAINAGE |
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Lime neutralization, reverse osmosis, and ion exchange were studied for their effectiveness in removing mg/l levels of ten specific trace elements from spiked acid mine drainage un...
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REMOVING ARSENIC FROM DRINKING WATER |
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Pilot-plant tests of two treatment methods-activated alumina and ion exchange--for removing arsenic from drinking water were evaluated at the Fallon, Nev., Naval Air Station (NAS)....
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REMOVING INORGANICS |
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When EPA sets a regulation ( a maxim contaminant level) for a contaminant, it must also specify the "best available technology" (BAT) that can be used to remove the contaminant. ec...
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REPRODUCTIVE AND DEVELOPMENTAL TOXICITY OF ARSENIC IN RODENTS: A REVIEW |
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Arsenic is a recognized reproductive toxicant in humans and induces malformations, especially neural tube defects, in laboratory animals. Early studies showed that murine malformat...
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REPRODUCTIVE EFFECTS ASSESSMENT GROUP'S REPORT ON THE MUTAGENICITY OF INORGANIC ARSENIC |
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Various inorganic compounds of arsenic have been tested for mutagenicity in a variety of test systems ranging in complexity from bacteria to peripheral lymphocytes of exposed human...
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RESEARCH INVESTIGATIONS ON THE PROTEOME: 1. MECHANISMS OF REGULATING PROTEIN SYNTHESIS, AND 2. GLOBAL CHARACTERIZATION OF PROTEOMIC RESPONSES TO ARSENIC EXPOSURES |
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Eukaryotic Elongation Factor 2 (eEF2) mediates translocation in protein synthesis. eEF2 is modified by two post-translational modifications: the phosphorylation of Thr57 in the G d...
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RESEARCH PLAN FOR ARSENIC IN DRINKING WATER |
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The U.S. Environmental Protection Agency's (EPA) Office of Research and Development (ORD)
develops research plans to guide its research direction pertaining to specific environmen...
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RESEARCH PLAN FOR ARSENIC IN DRINKING WATER (DRAFT) |
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This research plan was developed to describe research needed to reduce uncertainties in the arsenic risk assessment and to support EPAs development of a new arsenic drinking water ...
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RESEARCH TO SUPPORT RESTORATION OF GROUND WATER CONTAMINATED WITH ARSENIC |
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A brief programmatic overview will be presented to highlight research and technical support efforts underway at the Ground Water and Ecosystems Restoration Division in Ada, Oklahom...
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RESEARCH TOWARD THE DEVELOPMENT OF A BIOLOGICALLY BASED DOSE RESPONSE ASSESSMENT FOR INORGANIC ARSENIC CARCINOGENICITY: A PROGRESS REPORT |
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Cancer risk assessments for inorganic arsenic have been based on human epidemiological data, assuming a linear dose-response below the range of observation of tumors. Part of the ...
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RESIDENTIAL EXPOSURE TO DRINKING WATER ARSENIC IN INNER MONGOLIA, CHINA |
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Residential exposure to drinking water arsenic in Inner Mongolia, China
Zhixiong Ning1, Richard K. Kwok2, Zhiyi Liu1, Shiying Zhang1, Chenglong Ma1, Danelle T. Lobdell2, Michael...
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RESIDUALS, QUANTITIES, CHARACTERISTICS AND DISPOSAL OPTIONS |
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Presentation will describe the characteristics and quantitites of residuals generated by the various arsenic removal technologies including adsorptive media, coagulation filtration...
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RESPIROMETRY AS A TOOL TO DETERMINE METAL TOXICITY IN A SULFATE REDUCING BACTERIAL CULTURE |
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A novel method under development for treatment of acid mine drainage waste uses biologically- generated hydrogen sulfide (H2S) to precipitate the metals in acid mine drainage (prin...
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RESPONSE TO LETTER TO EDITOR OF RISK ANALYSIS ON ZARTARIAN ET AL., 2006 , "A PROBABILISTIC ARSENIC EXPOSURE ASSESSMENT FOR CHILDREN WHO CONTACT CCA-TREATED PLAYSETS AND DECKS, PART 1: MODEL METHODOLOGY, VARIABILITY RESULTS, AND MODEL EVALUATION |
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Product is a letter to the editor of the Risk Analysis journal in reply to an industry's letter to the editor regarding a CCA paper published earlier this year....
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RESPONSE TO LETTER TO THE EDITOR REGARDING "DRINKING WATER ARSENIC IN UTAH: A COHORT MORTALITY STUDY" BY DR LEWIS, ET AL, IN ENVIRONMENTAL HEALTH PERSPECTIVES (1999: 107(5), 359-365) |
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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....
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RESTORATION OF MUNICIPAL DRINKING WATER SUPPLY WELLS IMPACTED BY NATURALLY OCCURRING ARSENIC |
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Studies have indicated that arsenic concentrations greater than the newly proposed U.S. Environmental Protection Agency (EPA) maximum contaminant level (MCL) of 10 micrograms per l...
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REVERSE OSMOSIS TREATMENT TO CONTROL INORGANIC AND VOLATILE ORGANIC CONTAMINATION |
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Because of the versatility of reverse osmosis for removing a wide range of contaminants, U.S. EPA (Drinking Water Research Division) has been conducting laboratory and field studie...
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ROLE OF IRON (II, III) HYDROXYCARBONATE GREEN RUST IN ARSENIC REMEDIATION USING ZEROVALENT IRON IN COLUMN TESTS |
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We examined corrosion products of zerovalent iron (Peerless iron) that was used in three column tests for removing arsenic under dynamic flow conditions with and without added pho...
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ROXARSONE AND TRANSFORMATION PRODUCTS IN CHICKEN MANURE: DETERMINATION BY CAPILLARY ELECTROPHORESIS-INDUCTIVELY COUPLES PLASMA MASS SPECTROMERTY |
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The determination of the animal feed additive roxarsone (3-nitro-4- hydroxyphenylarsonic acid) and six of its possible transfonnation products (arsenite, arsenate, monomethylarson...
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Removal of Arsenic in Drinking Water Kinetico Inc. and Alcan Chemicals Para-Floā¢ PF60 Model AA08AS with Actiguard AAFS50 |
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Testing of the Kinetico Inc. and Alean Chemicals Para-FloTM PF60 Model AA08AS with Actiguard AAFS50 arsenic adsorption media filter system was conducted at the Orchard Hills Mobi...
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Review of āManaging Arsenic in the Environment: From Soil to Hman Healthā |
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This is a book review of "Managing Arsenic in the Environment: From Soil to Human Health," R. Naidu, E. Smith, G. Owens, P. Bhattacharya, and P. Nadebaum eds., CSIRO Publishing, Me...
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SEASONAL VARIATIONS OF ARSENIC AND OTHER TRACE ELEMENTS IN BAY MUSSELS 'MYTILUS EDULIS' (JOURNAL VERSION) |
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The purposes of this study were to investigate seasonal variations of arsenic in a population of bay mussels (Mytilus edulis) and to compare results with variations of several othe...
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SELECTION OF ARSENIC TREATMENT TECHNOLOGY |
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Presentation will discuss the process of selecting an arsenic removal treatment technology for a small utility. Information is presented on the issues to be considered such as wate...
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SELENIUM COMPOUNDS MODULATE THE ACTIVITY OF RECOMBINANT RAT ASIII-METHYLTRANSFERASE AND THE METHYLATION OF ARSENITE BY RAT AND HUMAN HEPATOCYTES |
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Abstract
Formation of methylated metabolites is a critical step in the metabolism of inorganic arsenic or selenium. We have previously shown that under conditions of a con...
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SELENIUM MODIFIES THE METABOLISM AND TOXICITY OF ARSENIC IN PRIMARY RAT HEPATOCYTES |
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ABSTRACT
Selenium Modifies the Metabolism and Toxicity of Arsenic in Primary Rat Hepatocytes. Miroslav Styblo, David J. Thomas (2000) Toxicol. Appl. Pharmacol.
Arsenic and ...
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SELENIUM MODIFIES THE METABOLISM AND TOXICITY OF ARSENIC IN PRIMARY RAT HEPATOCYTES. (R826136) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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SELENIUM STATUS AND ITS IMPACT ON ARSENIC METABOLISM AND TOXICITY |
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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....
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SENSORY EFFECTS OF HUMAN EXPOSURE TO ARSENIC IN DRINKING WATER |
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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....
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SEPARATION OF TOXICOLOGICALLY RELEVANT ARSENICALS IN URINE USING A NEW SOLID PHASE EXTRACTION TECHNIQUE |
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Abstract - Metabolism and toxicity of arsenicals are critically influenced by the oxidation state of As. In human urine, inorganic and methylated arsenicals contain both As(III) an...
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SEQUENTIAL EXTRACTIONS FOR PARTITIONING OF ARSENIC ON HYDROUS IRON OXIDES AND IRON SULFIDES |
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The objective of this study was to use model solids to test solutions designed to extract arsenic from relatively labile solid phase fractions. The use of sequential extractions p...
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SHRNA SILENCING OF AS3MT EXPRESSION MINIMIZES ARSENIC METHYLATION CAPACITY OF HEPG2 CELLS |
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Several methyltransferases have been shown to catalyze the oxidative methylation of inorganic arsenic (iAs) in mammalian species. However, the relative contributions of these enzym...
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SHRNA-MEDIATED SILENCING OF AS3MT EXPRESSION MODULATES THE CAPACITY OF HEPG2 CELLS TO METHYLATE INORGANIC ARSENIC |
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Several methyltransferases have been linked to the oxidative methylation of inorganic arsenic (iAs) in mammalian cells. However, the relative contributions of these enzymes to the ...
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SILICATE TECHNOLOGY CORPORATION'S SOLIDIFICATION/ STABILIZATION TECHNOLOGY FOR ORGANIC AND INORGANIC CONTAMINANTS IN SOILS - APPLICATIONS ANALYSIS REPORT |
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This Applications Analysis Report evaluates the solidification/stabilization treatment process of Silicate Technology Corporation (STC) for the on-site treatment of hazardous waste...
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SILICATE TECHNOLOGY CORPORATION'S SOLIDIFICATION/STABILIZATION TECHNOLOGY FOR ORGANIC AND INORGANIC CONTAMINANTS IN SOILS |
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The STC demonstration was conducted under EPA's Superfund Innovative Technology Evaluation (SITE) Program in November, 1990, at the Selma Pressure Treating (SPT) wood preserving si...
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SITE EVALUATION OF SOIL AMENDMENT TECHNOLOGIES AT THE CROOKSVILLE/ROSEVILLE POTTERY AREA OF CONCERN - STAR ORGANICS SOIL RESCUE INNOVATIVE TECHNOLOGY EVALUATION REPORT (ITER) |
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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...
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SITE TECHNOLOGY CAPSULE DEMONSTRATION OF ROCKY MOUNTAIN REMEDIATION SERVICES SOIL AMENDMENT PROCESS |
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RMRS developed the Envirobondļæ½ process to treat heavy metals in soil.This phosphate-based technology consists of a proprietary powder and solution that binds with metals in contami...
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SIZE DISTRIBUTIONS OF TRACE METALS IN FLUE GAS PARTICULATE FROM A PILOT-SCALE ROTARY KILN INCINERATOR |
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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...
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SKIN HYPERKERATOSIS AND CHRONIC ARSENIC EXPOSURE VIA DRINKING WATER IN INNER MONGOLIA, CHINA |
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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....
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SMALL DRINKING WATER SYSTEMS RESEARCH |
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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 ...
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SMALL DRINKING WATER TREATMENT TECHNOLOGIES FOR COMPLIANCE WITH THE ENHANCED SURFACE WATER TREATMENT RULES |
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According to FY2003 statistics compiled by the Office of Ground Water and Drinking Water, the U.S. regulates about 160,000 small drinking water systems that impact close to 70 mill...
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SOLAR UV RADIATION ENHANCES THE TOXICITY OF ARSENIC IN CERIODAPHNIA DUBIA. (R825289) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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SOLID PHASE SPECIATION OF METAL AND METALLOID PARTITIONING TO IRON- AND SULFUR-RICH SEDIMENTS. |
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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...
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SOME CHEMICAL PROPERTIES UNDERLYING ARSENIC'S BIOLOGICAL ACTIVITY |
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ABSTRACT
In this paper some of the chemical properties of arsenicals (atomic
and molecular orbitals, electronegativity, valence state, changes between
valenc...
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SOME INSIGHTS INTO THE MODE OF ACTION OF BUTADIENE BY EXAMINING THE GENOTOXICITY OF ITS METABOLITES |
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1,3-Butadiene (BTD) is an important commodity chemical and air pollutant that has been shown to be a potent carcinogen in mice, and to a lesser extent, a carcinogen in rats. To bet...
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SORPTION OF ARSENATE AND ARSENITE ON RUO2.XH2O: A SPECTROSCOPIC AND MACROSCOPIC STUDY |
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The sorption of arsenate (As(V)) and arsenite (As(III)) on RuO2 xH2O was examined using macroscopic and microscopic techniques. Constant solid:solution ratio isotherms were constr...
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SORPTION OF ARSENATE AND ARSENITE ON RUO2 X H2O: ANALYSIS OF SORBED PHASE OXIDATION STATE BY XANES IN ADVANCED PHOTON SOURCE ACTIVITY REPORT 2002 |
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The sorption reactions of arsenate (As(V)) and arsenite (As(III)) on RuO2 x H2O were examined by X-ray Absorption Near Edge Spectroscopy (XANES) to elucidate ...
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SORPTION OF ARSENATE AND ARSENITE ON RUO2Ā·XH2O: ANALYSIS OF SORBED PHASE OXIDATION STATE BY XANES |
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Arsenic contamination in water, soil and sediment is a global problem. Awareness of the problems created by As contamination have increased in recent years due to reports from Asia...
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SORPTION, IMPORTANT IN STABILIZED/SOLIDIFIED WASTE FORMS |
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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...
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SOURCE ASSESSMENT: COAL REFUSE PILES, ABANDONED MINES AND OUTCROPS, STATE-OF-THE-ART |
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This report describes a study of atmospheric emissions from coal refuse piles, abandoned mines, and outcrops. The potential environmental effect of the source was evaluated using s...
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SOURCE ASSESSMENT: DEFOLIATION OF COTTON, STATE-OF-THE ART |
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The report describes a study of air pollutants emitted during the defoliation or desiccation of cotton prior to harvest. (Defoliation is the process by which leaves are abscissed f...
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SPATIAL AND TEMPORAL DYNAMICS IN ARSENIC SPECIATION ACROSS THE GROUND WATER-SURFACE WATER TRANSITION ZONE AT A CONTAMINATED SITE |
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Field investigations have been conducted to understand the fate of arsenic in contaminated ground water during discharge into a small lake. The ground-water plume contains elevate...
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SPATIAL DISTRIBUTIONS OF ARSENIC EXPOSURE AND MINING COMMUNITIES FROM NHEXAS ARIZONA |
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Within the context of the National Human Exposure Assessment Survey (NHEXAS), metals were evaluated in the air, soil, dust, water, food, beverages, and urine of a single responde...
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SPECIAL REPORT ON INGESTED INORGANIC ARSENIC |
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Arsenic exposure has long been associated with several different forms of human cancer. The association between inhaled arsenic and an elevated risk of lung cancer is well docum...
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SPECIAL REPORT ON INGESTED INORGANIC ARSENIC: SKIN CANCER; NUTRITIONAL ESSENTIALITY |
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A Technical Panel of the U.S. Environmental Protection Agency's Risk Assessment Forum has studied three special issues regarding certain health effects, particularly skin cancer, a...
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SPECIAL REPORT ON INGESTED INORGANIC ARSENIC: SKIN CANCER; NUTRITIONAL ESSENTIALITY (SAB REVIEW DRAFT) |
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A technical panel of EPA's Risk Assessment Forum has studied three special issues regarding certain health effects, particularly skin cancer, associated with arsenic ingestion: (1)...
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SPECIATION ANALYSIS OF ARSENIC IN BIOLOGICAL MATRICES BY AUTOMATED HYDRIDE GENERATION-CRYOTRAPPING-ATOMIC ABSORPTION SPECTROMETRY WITH MULTIPLE MICROFLAME QUARTZ TUBE ATOMIZER (MULTIATOMIZER) |
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Abstract Analyses of arsenic (As) species in tissues and body fluids of individuals chronically exposed to inorganic arsenic (iAs) provide essential information about the e...
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SPECIATION AND PRESERVATION OF INORGANIC ARSENIC IN DRINKING WATER SOURCES USING IC-ICP-MS |
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The native distribution of As(III) and As(V) in drinking water supplies can influence the treatment removal strategy. The stability of As(III) and As(V) in iron rich drinking wate...
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SPECIATION AND PRESERVATION OF INORGANIC ARSENIC IN DRINKING WATER SUPPLIES WITH IC-ICP-MS |
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The speciation of inorganic arsenic in drinking water supplies is an essential part of devising an appropriate treatment process. Arsenate, because of its anion characteristics at ...
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SPECIATION OF ARSENIC ANIMAL FEED ADDITIVES BY MICROBORE HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY WITH INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY |
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Phenylarsonic compounds have been used as poultry and swine feed additives for the purpose of growth promotion and disease prevention. Owing to the lack of suitable analytical meth...
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SPECIATION OF ARSENIC ANIMAL-FEED ADDITIVES BY USING MICROBORE HIGH-PERFORMANCE LIQUID CHROMATOGRAPHNY WITH INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY |
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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....
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SPECIATION OF ARSENIC COMPOUNDS BY ION CHROMATOGRAPHY WITH INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY DETECTION UTILIZING HYDRIDE GENERATION WITH A MEMBRANE SEPARATOR |
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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....
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SPECIATION OF ARSENIC COMPOUNDS IN DRINKING WATER BY CAPILLARY ELECTROPHORESIS WITH HYDRODYNAMICALLY MODIFIED ELECTROOSMOTIC FLOW DETECTED THROUGH HYDRIDE GENERATION INDUCTIVELY COUPLED PLASMA MASS.. |
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Capillary electrophoresis (CE) was used to speciate four environmentally significant, toxic forms of arsenic: arsenite, arsenate, monomethylarsonic acid and dimethylarsinic acid. ...
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SPECIATION OF ARSENIC COMPOUNDS IN DRINKING WATER BY CAPILLARY ELECTROPHORESIS WITH HYDRODYNAMICALLY MODIFIED ELECTROOSMOTIC FLOW DETECTED THROUGH HYDRIDE GENERATION INDUCTIVELY COUPLED PLASMA MASS... |
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Capillary electrophoresis (CE) was used to speciate four environmentally significant, toxic forms of arsenic: arsenite, arsenate, monomethylarsonic acid and dimethylarsinic acid. H...
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SPECIATION OF ARSENIC COMPOUNDS IN WATER SUPPLIES |
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The objectives of this project were to develop and test analytical methods that would allow the chemical form (i.e. valence state or compound) of arsenic in drinking waters to be d...
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SPECIATION OF ARSENIC IN BIOLOGICAL MATRICES BY AUTOMATED HG-AAS WITH MULTIPLE MICROFLAME QUARTZ TUBE ATOMIZER (MULTIATOMIZER) |
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Analyses of arsenic (As) species in body fluids and tissues of individuals chronically exposed to inorganic arsenic (iAs) provide essential information about the exposure level and...
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SPECIATION OF ARSENIC IN EXPOSURE ASSESSMENT MATRICES |
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The speciaton of arsenic in water, food and urine are analytical capabilities which are an essential part in arsenic risk assessment. The cancer risk associated with arsenic has be...
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SPECIATION OF ARSENIC IN SULFIDIC SOLUTIONS USING X-RAY ABSORPTION SPECTROSCOPY |
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The fate of arsenic in the environment is fundamentally linked to its speciation. Arsenic in aerobic environments is predominantly arsenate, however under reducing conditions arsen...
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SPECIATION OF ARSENIC IN SULFIDIC WATERS |
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Formation constants for thioarsenite species have been determined in dilute solutions at 25 0C, SH2S from 10-7.5 to 10-3.0 M, SAs from 10-5.6 to 10-4.8 M, and pH 7 and 10. The pri...
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SPECIATION OF SELENIUM AND ARSENIC COMPOUNDS BY CAPILLARY... |
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Capillary electrophoresis (CE) with hydride generation inductively coupled plasma mass spectrometry was used to determine four arsenicals and two selenium species. Selenate (SeVI) ...
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STABILITY: AN INVESTIGATION OF AS(III)/AS(V) STABILITY IN IRON RICH DRINKING WATER MATRICES |
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Arsenic in drinking water is predominantly inorganic arsenic. The two oxidation states of inorganic arsenic are As(III)(pKa=9.3) and As(V)(pKa2=6.9). The distribution of As(III) ...
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STABILIZATION, TESTING, AND DISPOSAL OF ARSENIC CONTAINING WASTES |
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Commercially available treatment processes intended to reduce leaching of contaminants from wastes were evaluated for arsenic-laden industrial wastes. Three wastes were selected: (...
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STATUS ASSESSMENT OF TOXIC CHEMICALS: ARSENIC |
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The production, consumption, and uses of arsenic are dealt with in this report. Sources of environmental contamination by arsenic are identified and the consequences of such pollut...
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STOCHASTIC HUMAN EXPOSURE AND DOSE SIMULATION MODEL FOR THE WOOD PRESERVATIVE SCENARIO (SHEDS-WOOD), VERSION 2 MODEL SAS CODE |
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Concerns have been raised regarding the safety of young children contacting arsenic and chromium residues while playing on and around Chromated Copper Arsenate (CCA) treated wood p...
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STRAIN-DEPENDENT DISPOSITION OF INORGANIC ARSENIC IN THE MOUSE |
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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....
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STUDIES OF INTERFACIAL REACTIONS BETWEEN ARSENIC AND MINERALS AND ITS SIGNIFICANCE TO SITE CHARACTERIZATION |
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Natural attenuation remediation is based on the intrinsic attenuation capacities of the subsurface. Geochemistry of the subsurface controls the fate, transport, transformation, an...
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STUDIES OF INTERFACIAL REACTIONS BETWEEN ARSENIC AND MINERALS AND ITS SIGNIFICANCE TO SITE CHARACTERIZATION : JOURNAL ARTICLE |
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NRMRL-ADA-01110
Lin**, Z., and Puls*, R.W. Studies of Interfacial Reactions Between Arsenic and Minerals and its Significance to Site Chara...
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SUBSURFACE WELL-LOG CORRELATION OF ARSENIC-BEARING LITHOFACIES IN THE PERMIAN GARBER SANDSTONE AND WELLINGTON FORMATION, CENTRAL OKLAHOMA AQUIFER (COA), CLEVELAND COUNTY, OKLAHOMA |
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The fluvial Garber Sandstone and the underlying Wellington Formation are important sources of drinking water in central Oklahoma. These formations, which make up much of the COA, ...
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SUMMARY REPORT OF THE EPA/AWPI ARSENIC AND CHROMIUM ROUNDTABLE |
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NO ABSTRACT PROVIDED...
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SUMMARY REPORT OF THE EPA/AWPI ARSENIC AND CHROMIUM ROUNDTABLE EASTERN RESEARCH GROUP, INC. |
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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....
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SUPERFUND INNOVATIVE TECHNOLOGY EVALUATION PROGRAM - TECHNOLOGY PROFILES 4th Edition |
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The Superfund Innovative Technology Evaluation (SITE) Program evaluates new and promising treatment technologies for cleanup of hazardous waste sites. The program was created to en...
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SUPERFUND INNOVATIVE TECHNOLOGY EVALUATION PROGRAM Evaluation of Soil Amendment Technologies at the Crooksville/RosevillePottery Area of Concern Rocky Mountain Remediation ServicesEnvirobondā¢ Process |
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RMRS developed the Envirobondā¢ process to treat heavy metals in soil.This phosphate-based technology consists of a proprietary powder and solution that binds with metals in contam...
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SYNERGISTIC AND ANTAGONISTIC EFFECTS ON GENOTOXICITY OF CHEMICALS COMMONLY FOUND IN HAZARDOUS WASTE SITES |
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Synergistic and antagonistic effects on genotoxicity of mixtures of four chemicals; i.e., lead tetraacetate (LTA), arsenic trioxide (ATO), dieldrin (DED), and tetrachloroethylene (...
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SYNERGISTIC WOOD PRESERVATIVES FOR REPLACEMENT OF CCA |
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The objective of this project was to evaluate the potential synergistic combinations of environmentally-safe biocides as wood preservatives. These wood preservatives could be pote...
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Significance of Iron(II,III) Hydroxycarbonate Green Rust in Arsenic Remediation Using Zerovalent Iron in Laboratory Column Tests |
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We examined the corrosion products of zerovalent iron used in three column tests for removing arsenic from water under dynamic flow conditions. Each column test lasted three- to f...
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Speciation analysis of arsenic in biological matrices by automated hydride generation-cryotrapping-atomic absorption spectrometry with multiple microflame quartz tube atomizer (multiatomizer). |
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This paper describes an automated system for the oxidation state specific speciation of inorganic and methylated arsenicals by selective hydride generation - cryotrapping- gas chro...
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Speciation, Characterization, And Mobility Of As, Se and Hg In Flue Gas Desulphurization Residues |
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Flue gas from coal combustion contains significant amounts of volatile toxic trace elements such as arsenic (As), selenium (Se) and mercury (Hg). The capture of these elements in t...
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Speciation, Characterization, And Mobility Of As, Se, and Hg In Flue Gas Desulphurization Residues |
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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...
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T05 DETERMINATION OF REDUCED ARSENIC-THIO SPECIES IN WATERS BY ION CHROMATOGRAPHY-INDUCTIVELY-COUPLED PLASMA-MASS SSPECTROMETRY (IC-ICP-MS). |
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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...
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TECHNOLOGIES FOR ARSENIC REMOVAL |
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This paper presents a summary of the treatment technologies that are effective for the removal of arsenic from drinking water. The technologies are divided into those that are eff...
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TECHNOLOGY EVALUATION REPORT: BIOLOGICAL TREATMENT OF WOOD PRESERVING SITE GROUNDWATER BY BIOTROL, INC. |
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This report provides the in-depth data analysis from the SITE Program's six-week demonstration of BioTrol's Aqueous Treatment System (BATS) at the MacGillis and Gibbs Company wood ...
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TECHNOLOGY EVALUATION REPORT: SILICATE TECHNOLOGY CORPORATION - SOLIDIFICATION/STABILIZATION OF PCP AND INORGANIC CONTAMINANTS IN SOILS - SELMA, CA |
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This Technolgy Evaluation Report evaluates the solidification/stabilization process of Silicate Technology Corporation (STC) for the on-site treatment of contaminated soil The STC...
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TECHNOLOGY EVALUATION REPORT: SILICATE TECHNOLOGY CORPORATION, SOLIDIFICATION/STABILIZATION OF PCP AND INORGANIC CONTAMINANTS IN SOILS SELMA, CA |
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A Superfund Innovative Technology Evaluation demonstration was conducted to evaluate the ability of the solidification/ stabilization treatment process developed by Silicate Techno...
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TECHNOLOGY EVALUATION REPORT: SITE PROGRAM DEMONSTRATION TEST, SOLIDITECH, INC. SOLIDIFICATION/STABILIZATION PROCESS VOL I |
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The primary objective of the Soliditech, Inc. solidification/stabilization demonstration was to develop reliable performance and cost information. he demonstration took palce at th...
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TECHNOLOGY EVALUATION REPORT: SITE PROGRAM DEMONSTRATION TEST, SOLIDITECH, INC. SOLIDIFICATION/STABILIZATION PROCESS VOL II |
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The primary objective of the Soliditech, Inc. solidification/stabilization demonstration was to develop reliable performance and cost information. he demonstration took palce at th...
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TECHNOLOGY SELECTION AND SYSTEM DESIGN, U.S. EPA ARSENIC DEMONSTRATION PROGRAM ROUND 1 |
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Battelle, under a contract with the United States Environmental Protection Agency (EPA), is conducting full-scale demonstration studies on the removal of arsenic from drinking wate...
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TELOMERASE AND CHRONIC ARSENIC EXPOSURE IN HUMANS |
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Arsenic exposure has been associated with increased risk of skin, lung and bladder cancer in humans. The mechanisms of carcinogenesis are not well understood. Telomerase, a ribonuc...
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TESTING LANDSCAPE INDICATORS FOR STREAM CONDITION RELATED TO PESTICIDES AND NUTRIENTS: LANDSCAPE INDICATORS FOR PESTICIDES STUDY FOR MID-ATLANTIC COASTAL STREAMS (LIPS-MACS) |
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This research plan for the Landscape Indicators for Pesticides Study ? Mid-Atlantic Coastal Streams (LIPS-MACS) describes the rational and approach of developing a research projec...
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THE ACCUMULATION AND RELEASE OF ARSENIC FROM DISTRIBUTION SYSTEM SOLIDS |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Iron based treatment technologies including iron remova...
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THE ACCUMULATION AND RELEASE OF CONTAMINANTS FROM DISTRIBUTION SYSTEM SOLIDS |
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The recently promulgated Arsenic Rule will require that many new drinking water systems treat their water to remove arsenic. Iron based treatment technologies including iron remova...
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THE ANION TRANSPORTER AND THE ACCUMULATION OF ARSENIC (AS) IN ARSENATE (ASV)-EXPOSED RABBIT ERYTHROCYTES |
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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....
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THE CARCINOGEN ASSESSMENT GROUP'S FINAL RISK ASSESSMENT ON ARSENIC |
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An estimate of the potential cancer hazard to populations exposed to airborne arsenic is given. Data analyzed are from occupational studies, estimates of ambient exposure and the n...
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THE CELLUAR METABOLISM OF ARSENIC |
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Because the methylation of arsenic produces intermediates and terminal products that exceed inorganic arsenic in potency as enzyme inhibitors, cytotoxins, and genotoxins, the methy...
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THE CELLULAR METABOLISM AND SYSTEMIC TOXICITY OF ARSENIC |
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Abstract
Toxic Consequences of the Metabolism of Arsenic. David J. Thomas, Miroslav Styblo, and Shan Lin. (2001). Toxicol. Appl. Pharmacol. 000, xxx-yyy.
Although it h...
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THE CURRENT STATUS OF AS RESEARCH IN THE USEPA'S OFFICE OF RESEARCH AND DEVELOPMENT |
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The mission of the ORD is "to conduct leading-edge research and foster the sound use of science and technology in fulfilling EPA's mission to protect human health and safeguard the...
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THE CURRENT STATUS OF AS RESEARCH IN THE USEPA'S OFFICE OF RESEARCH AND DEVELOPMENT |
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The mission of the ORD is "to conduct leading-edge research and foster the sound use of science and technology in fulfilling EPA's mission to protect human health and safeguard the...
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THE DISTRIBUTION AND SOLID-PHASE SPECIATION OF AS IN IRON-BASED TREATMENT MEDIA |
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Arsenic concentrations (Total Recoverable As by EPA Method 3051) and solid-phase speciation (by X-ray Absorption Near-Edge Spectroscopy-XANES) were assessed as a function of depth ...
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THE DISTRIBUTION, SOLID-PHASE SPECIATION, AND DESORPTION/DISSOLUTION OF AS IN IRON-BASED DRINKING WATER TREATMENT MEDIA - JOURNAL |
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Arsenic concentrations (Total Recoverable As by EPA Method 3051, soluble, Toxicity Characteristic Leaching Procedure extractable) and solid-phase speciation (by X-ray Absorption Ne...
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THE DISTRIBUTION, SOLID-PHASE SPECIATION, AND DESORPTION/DISSOLUTION OF AS IN IRON-BASED DRINKING WATER TREATMENT MEDIA 1 |
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Arsenic concentrations (Total Recoverable As by EPA Method 3051, soluble, Toxicity Characteristic Leaching Procedure extractable) and solid-phase speciation (by X-ray Absorption Ne...
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THE DISTRIBUTION, SOLID-PHASE SPECIATION, AND DESORPTION/DISSOLUTION OF AS IN IRON-BASED TREATMENT MEDIA |
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Arsenic concentrations (Total Recoverable As by EPA Method 3051) and solid-phase speciation (by X-ray Absorption Near-Edge Spectroscopy-XANES) were assessed as a function of depth ...
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THE EFFECT OF DIETARY ARSENIC ON SWIM-UP RAINBOW TROUT |
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Two 30-day toxicity tests were conducted in which swim-up rainbow trout were fed live diets of oligochaetes (Lumbriculus variegatus) containing elevated arsenic. Arsenic was inco...
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THE EFFECT OF ENVIRONMENTAL CHEMICALS ON HUMAN HEALTH |
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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...
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THE EFFECT OF ENVIRONMENTAL CHEMICALS ON HUMAN HEALTH -- USCF |
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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....
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THE EFFECT OF PH, PHOSPHATE AND OXIDANT ON THE REMOVAL OF ARSENIC FROM DRINKING WATER DURING IRON REMOVAL |
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Arsenic is a naturally occurring drinking water contaminant that has known adverse human health effects. The recent compilation of new health effects data prompted the U.S. Enviro...
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THE EFFECT OF PH, PHOSPHATE AND OXIDANT ON THE REMOVAL OF ARSENIC FROM DRINKING WATER DURING IRON REMOVAL |
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Arsenic is a naturally occurring drinking water contaminant that has known adverse human health effects. The recent compilation of new health effects data prompted the U.S. Enviro...
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THE EFFECT OF PH, PHOSPHATE AND OXIDANT TYPE ON THE REMOVAL OF ARSENIC FROM DRINKING WATER DURING IRON REMOVAL |
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In many regions of the United States, groundwaters that contain arsenic (primarily As[III]) also contain significant amounts of iron (Fe[II]). Arsenic removal will most likely be ...
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THE EFFECT OF WATER CHEMISTRY AND IRON PARTICLE PROPERTIES ON THE REMOVAL OF ARSENIC FOLLOWING THE OXIDATION OF FERROUS IRON |
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The current MCL for arsenic is being revised to a lower level by the USEPA. Many new utilities, particularly small utilities, will be forced to add an arsenic removal process or fi...
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THE EFFECTS OF HEAT SHOCK PROTEIN 70 (HSP70) AND EXPOSURE PROTOCOL ON ARSENITE INDUCED GENOTOXICITY |
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The Effects of Heat Shock Protein 70 (Hsp70) and Exposure Protocol on Arsenite Induced Genotoxicity
Barnes, J.A.1,2, Collins, B.W.2, Dix, D.J.3 and Allen J.W2.
1National...
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THE ENIGMA OF ARSENIC CARCINOGENESIS: ROLE OF METABOLISM |
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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....
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THE EPA/DOE MINE WASTE TECHNOLOGY PROGRAM |
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Mining activities in the US (not counting coal) produce between 1-2B tons of mine waste annually. Since many of the ore mines involve sulfide minerals, the production of acid mine ...
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THE EPIDEMIOLOGY OF CHEMICAL CONTAMINANTS OF DRINKING WATER |
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A number of chemical contaminants have been identified in drinking water. These contaminants reach drinking water supplies from various sources, including municipal and i...
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THE FATE OF TRACE METALS IN A ROTARY KILN INCINERATOR WITH A SINGLE-STAGE IONIZING WET SCRUBBER - VOLUME II: APPENDICES |
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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 ...
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THE FEASIBILITY OF EPIDEMIOLOGIC STUDIES OF WATERBORNE ARSENIC: A MORTALITY STUDY IN MILLARD COUNTY, UTAH |
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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....
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THE IMPACT OF GROUND WATER-SURFACE WATER INTERACTIONS ON CONTAMINANT TRANSPORT AT CONTAMINATED SITES |
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The purpose of this document is to provide an overview of the dynamics of chemical processes that govern contaminant transport and speciation during water exchange across the GW/SW...
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THE IMPACT OF SELENIUM STATUS ON THE METABLISM AND DISPOSITION OF ARSENIC AND ITS IMPLICATIONS FOR EPIDEMIOLOGIC INVESTIGATIONS |
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The Impact of Selenium Status on the Metabolism and Disposition of Arsenic and Its Implications for Epidemiologic Investigations
E. M. Kenyon1*, M.F. Hughes1, L.M. Del Razo2...
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THE IMPORTANCE OF ARSENIC SPECIES SPECIFIC MASS BALANCE ON THE EVALUATION OF ARSENIC SPECIATION RESULTS IN SEAFOOD MATRICES |
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The two predominant pathways to arsenic exposure are drinking water and dietary ingestion. A large percentage of the dietary exposure component is associated with a few food group...
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THE INFLUENCE OF IRON AND SULFUR CYCLING ON ARSENIC PARTITIONING IN SOILS AND SEDIMENTS |
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Field evidence suggests that arsenic solid-solution partitioning in natural systems is often tied to iron and sulfur cycling. This is likely due to the coprecipitation of arsenic ...
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THE LIBERATION OF ARSENOSUGARS FROM MATRIX COMPONENTS IN DIFFICULT TO EXTRACT SEAFOOD SAMPLES UTILIZING TMAOH/ACETIC ACID SEQUENTIALLY IN A TWO-STAGE EXTRACTION PROCESS |
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Sample extraction is one of the most important steps in arsenic speciation analysis of solid dietary samples. One of the problem areas in this analysis is the partial extraction o...
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THE METABOLIC BASIS OF ARSENIC TOXICITY |
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The Metabolic Basis of Arsenic Toxicity
David J. Thomas, Experimental Toxicology Division, National Health and Environmental Effects Research Laboratory, Office of Research ...
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THE PATHWAY OF ARSENIC METABLISM |
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The Pathway of Arsenic Methylation
David J. Thomas, Experimental Toxicology Division, National Health and Environmental Effects Research Laboratory, Office of Research and D...
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THE POTENTIAL EFFECT OF AMBIENT ARSENIC IN DRINKING WATER ON ODOR IDENTIFICATION IN AN AGRICULTURAL SAMPLE IN INNER MONGOLIA |
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There is some evidence that chronic exposure to arsenic (As) can have neuropathic and neurosensory effects in humans. It is unknown if As exposure affects the sense of smell. To ...
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THE PRESENCE OF ARSENIC IN DRINKING WATER DISTRIBUTION SOLIDS |
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The objective of this presentation was to determine whether solids found in drinking water distribution systems contain arsenic. Distribution system pipes and solids removed durin...
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THE REACTIVE OXYGEN SPECIES (ROS) THEORY OF ARSENIC CARCINOGENESIS |
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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...
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THE REACTIVE OXYGEN SPECIES (ROS) THEORY OF ARSENIC CARCINOGENESIS |
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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...
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THE ROLE OF ARSENIC (+3 OXIDATION STATE) METHYLTRANSFERASE IN ARSENIC METABOLISM |
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Arsenic (As) is widely distributed in the environment. Epidemiological studies have linked chronic exposures to inorganic As (iAs) to adverse health effects such as skin lesions,...
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THE ROLE OF BIOMETHYLATION IN THE TOXICITY AND CARCINOGENICITY OF ARSENIC. A RESEARCH UPDATE |
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The Role of Biomethylation in the Toxicity and Carcinogenicity of Arsenic. A Research Update
Miroslav Styblo, Zuzana Drobna, Ilona Jaspers, Shan Lin, and David J. Thomas
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THE ROLE OF BIOMETHYLATION IN TOXICITY AND CARCINOGENICITY OF ARSENIC: A RESEARCH UPDATE. (R826136) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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THE ROLE OF FLAVONOIDS IN MODULATION OF THE METABOLISM OF ARSENIC |
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The biotransformation of inorganic arsenic (iAs) in humans produces trivalent and pentavalent methylated species. The pattern and extent of iAs conversion is critical for the overa...
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THE ROLE OF MEMBRANE TRANSPORTERS IN THE CELLULAR METABOLISM OF ARSENIC |
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Arsenic (+3 oxidation state) methyltransferase (AS3MT) catalyzes methylation of inorganic arsenic (iAs) in humans. In this pathway iAs is converted to mono- (MAs) and dimethylated ...
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THE ROLE OF PROTEIN BINDING OF TRIVALENT ARSENICALS IN ARSENIC CARCINOGENESIS AND TOXICITY |
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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...
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THE ROLE OF VALENCE AND METHYLATION STATE ON THE ACTIVITY OF ARSENIC DURING MITOSIS |
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Trivalent methylated arsenicals are much more potent DNA damaging agents, clastogens, and large deletion mutagens than are their inorganic and pentavalent counterparts. Previously ...
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THE SIGNIFICANCE OF ARSENIC-BOUND SOLIDS IN DRINKING WATER DISTRIBUTION SYSTEMS |
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The removal of arsenic from drinking water using iron-based processes including chemical coagulation with iron salts, removal of iron from source water by oxidation/filtration, and...
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THE SIGNIFICANCE OF ARSENIC-BOUND SOLIDS IN DRINKING WATER DISTRIBUTION SYSTEMS |
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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...
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THE SPECIATION OF ARSENIC IN REFERENCE MATERIALS BY USING MICRO-HPLC/ICP-MS |
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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....
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THE URINARY BLADDER EXHIBITS A U-SHAPED GENOMIC DOSE-RESPONSE FOLLOWING SHORT- AND LONG-TERM EXPOSURE OF MICE TO ARSENATE IN DRINKING WATER |
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A number of studies have demonstrated increased urinary bladder tumor incidence in populations exposed to inorganic arsenic in drinking water at concentrations on the order of seve...
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THE US EPA WORKSHOP ON RESEARCH AND RISK ASSESSMENT FOR ARSENIC |
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The U.S. Environmental Protection Agency sponsored an international Workshop on Research and Risk Assessment for Arsenic at the National Conservation Training Center in Shepherdsto...
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THE USE OF A PRB TO TREAT GROUNDWATER IMPACTED BY COAL-COMBUSTION BY-PRODUCTS |
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The burning of coal for the production of electricity generates combustion by-products such as boiler bottom ash and fly ash. These ashes have the potential to release arsenic (As...
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THE VALENCE AND METHYLATION STATE OF ARSENIC DETERMINES ITS POTENCY IN INTERACTION WITH THE MITOTIC APPARATUS |
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We have previously shown that the cytotoxic and genotoxic potency of arsenicals is dependent upon their valence and methylation state. Trivalent methylated arsenicals are much more...
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THEORETICAL INVESTIGATION OF SELECTED TRACE ELEMENTS IN COAL GASIFICATION PLANTS |
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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...
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TIME DEPENDENCE OF ACCUMULATION AND BINDING OF INORGANIC AND ORGANIC ARSENIC SPECIES IN RABBIT ERYTHROCYTES |
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The uptake by rabbit erythrocytes of 0.4 mM arsenite, As(III), arsenate, As(V), monomethylarsinate, MMA(V) and dimethylarsonate, DNM(V) were compared over 24 hours. n membrane-free...
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TISSUE ASSAYS AND POPULATION CHARACTERISTICS OF ROOSEVELT HOT SPRINGS' ANIMALS (1977-1978) |
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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...
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TISSUE DISPOSITION OF DIMETHYLARSINIC ACID IN THE MOUSE AFTER ACUTE ORAL ADMINISTRATION |
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TISSUE DISPOSITION OF DIMETHYLARSINIC ACID IN THE MOUSE
AFTER ACUTE ORAL ADMINISTRATION
Michael F. Hughes, Ph.D., Brenda C. Edwards, Carol T. Mitchell and Elaina M. Ken...
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TISSUE DISTRIBUTION AND URINARY EXCRETION OF INORGANIC ARSENIC AND ITS METHYLATED METABOLITES IN C57BL/6 MICE FOLLOWING SUBCHRONIC EXPOSURE TO ARSENATE (ASV) IN DRINKING WATER |
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The relationship of exposure and tissue concentration of parent chemical and metabolites over prolonged exposure is a critical issue for chronic toxicities mediated by metabolite(s...
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TISSUE DISTRIBUTION AND URINARY EXCRETION OF INORGANIC ARSENIC AND ITS METHYLATED METABOLITES IN MICE FOLLOWING ACUTE ORAL ADMINISTRATION OF ARSENATE |
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ABSTRACT
The relationship of exposure dose and tissue concentration of parent chemical and metabolites is a critical issue in cases where toxicity may be mediated by a metabolit...
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TISSUE DISTRIBUTION OF ARSENIC SPECIES IN MICE CHRONICALLY EXPOSED TO ARSENITE OR METHYLARSONOUS ACID |
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e metabolism of inorganic arsenic (iAs) in humans yields toxic and carcinogenic methyl-As (MAs) and dimethyl-As (DMAs) intermediates. Methylarsonous acid (MAsIII) is the most acute...
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TISSUE DISTRIBUTION OF ARSENIC SPECIES IN MICE CHRONICALLY EXPOSED TO METHYLARSONOUS ACID |
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The metabolism of inorganic arsenic (iAs) in humans yields toxic and carcinogenic methyl-As (MAs) and dimethyl-As (DMAs) intermediates. Methylarsonous acid (MAsIII) is the most acu...
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TISSUE DISTRIBUTION OF INORGANIC ARSENIC (AS) AND ITS METHYLATED METABOLITES IN MICE FOLLOWING ORAL ADMINISTRATION OF ARSENATE (ASV) |
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TISSUE DISTRIBUTION OF INORGANIC ARSENIC (iAs) AND ITS METHYLATED METABOLITES IN MICE FOLLOWING ORAL ADMINISTRATION OF ARSENATE (AsV). E M Kenyon1, L M Del Razo2, and M F Hughes1....
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TISSUE DOSIMETRY, METABOLISM AND EXCRETION OF PENTAVALENT AND TRIVALENT DIMETHYLATED ARSENIC IN MICE AFTER ORAL ADMINISTRATION |
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Dimethylarsinic acid (DMA(V)) is a rat bladder carcinogen and the major urinary metabolite of inorganic arsenic in most mammals. This study examined the disposition of pentavalent...
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TISSUE DOSIMETRY, METABOLISM AND EXCRETION OF PENTAVALENT AND TRIVALENT MONOMETHYLATED ARSENIC IN MICE AFTER ORAL ADMINISTRATION |
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Exposure to monomethylarsonic acid (MMA(V)) and monomethylarsonous acid (MMA(III)) can result from their formation as metabolites of inorganic arsenic and by the use of the sodium ...
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TOXIC METALS IN THE ENVIRONMENT: THERMODYNAMIC CONSIDERATIONS FOR POSSIBLE IMMOBILIZATION STRATEGIES FOR PB, CD, AS, AND HG |
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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...
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TOXIC POLLUTANTS IN URBAN WET-WEATHER FLOWS: AN OVERVIEW OF THE MULTI-MEDIA TRANSPORT, IMPACTS, AND CONTROL MEASURES |
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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 ...
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TOXIC TRACE METALS IN MAMMALIAN HAIR AND NAILS |
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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...
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TOXICITY OF LEACHATES |
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The report represents a multidisciplinary effort to establish a data base for evaluation of the toxicity of extracts from solid wastes representative of various industries. Sevente...
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TOXICITY OF SELECTED PRIORITY POLLUTANTS TO VARIOUS AQUATIC ORGANISMS |
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Toxicity tests were conducted with selected compounds listed by the United States Environmental Protection Agency (EPA) as priority pollutants. Acute toxicity information was deter...
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TOXICOLOGY OF METALS. VOLUME II |
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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...
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TOXICOPROTEOMICS AND ITS APPLICATION TO HUMAN HEALTH RISK ASSESSMENT |
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Humans are exposed to a variety of environmental toxicants, and this together with a large number of interacting factors can contribute to an individual's risk for health. To under...
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TRACE ANALYSIS OF ARSENIC BY COLORIMETRY, ATOMIC ABSORPTION, AND POLAROGRAPHY |
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A differential pulse polarographic method was developed for determining total arsenic concentrations in water samples from ash ponds at steam-electric generating plants. After dige...
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TRACE AND POTENTIALLY TOXIC ELEMENTS ASSOCIATED WITH URANIUM DEPOSITS IN SOUTH TEXAS |
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The environmentally sensitive trace elements molybdenum, arsenic, and selenium are concentrated with uranium in ore deposits in South Texas. Cattle grazing in some pastures in mini...
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TRACE ELEMENT CHARACTERIZATION OF COAL WASTES. SECOND ANNUAL PROGRESS REPORT, OCTOBER 1, 1976--SEPTEMBER 30, 1977 |
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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...
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TRACE ELEMENT STUDY AT A PRIMARY COPPER SMELTER. VOLUME I |
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The report presents the results of a project undertaken to explore the distribution of trace elements in environmental emissions from a primary copper smelter. The efforts were con...
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TRACE ELEMENT STUDY AT A PRIMARY COPPER SMELTER. VOLUME II. REPORT APPENDIX |
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This project was undertaken to explore the distribution of trace elements in environmental emissions from a primary copper smelter. The efforts were concentrated on the reverberato...
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TRACE METAL FATE IN A ROTARY KILN INCINERATOR WITH AN IONIZING WET SCRUBBER |
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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...
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TRACE METAL TRANSFORMATION MECHANISMS DURING COAL COMBUSTION |
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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...
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TRACE METAL TRANSFORMATION MECHANISMS DURING COAL COMBUSTION |
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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...
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TRANSFER OF ARSENITE FROM GLUTATHIONE TO DITHIOLS : A MODEL OF INTERACTION |
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The interactions of arsenate and arsenite with MESO-2,3 mercaptosuccinic acid (DMSA) have been characterized using carbon-13 nuclear magnetic resonance. hese studies show that DMSA...
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TRANSFORMATION AND MOBILIZATION OF ARSENIC ADSORBED ON GRANULAR FERRIC HYDROXIDE UNDER BIO-REDUCTIVE CONDITIONS |
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Biotic and abiotic reduction of arsenic (V) and iron (III) influences the partioning of arsenic (As) between the solid and aqueous phases in soils, sediments and wastes. In this st...
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TREATMENT OF ARSENIC AND METALS IN GROUND WATER USING A COMPOST-ZVI PRB |
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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...
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TREATMENT OF ARSENIC AND METALS IN GROUND WATER USING A COMPOST-ZVI PRB |
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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...
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TREATMENT OF ARSENIC AND METALS IN GROUND WATER USING A COMPOST/ZVI PRB |
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One of Region 4's Regional Applied Research Efforts (RARE) projects resulted in two different studies on cleaning up the Columbia Nitrogen Superfund Site located in Charleston, SC....
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TREATMENT OF ARSENIC AND METALS IN GROUND WATER USING A COMPOST/ZVI PRB |
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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...
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TREATMENT OF ARSENIC IN DRINKING WATER: A RESEARCH PERSPECTIVE |
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Presentation on control of arsenic in drinking water at the National Water Institute on April 11, 2007 in Cordova....
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TREATMENT OF ARSENIC RESIDUALS FROM DRINKING WATER REMOVAL PROCESSES |
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The drinking water MCL was recently lowered from 0.05 mg/L to 0.01 mg/L. One concern was that reduction in the TCLP arsenic limit in response to the drinking water MCL could be pro...
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TREATMENT TECHNOLOGIES FOR ARSENIC REMOVAL |
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The United States Environmental Protection Agency (US EPA) recently reduced the arsenic maximum contaminant level (MCL) from 0.050 mg/L to 0.010 mg/L. In order to increase arsenic ...
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TREATMENT TECHNOLOGY TO MEET THE INTERIM PRIMARY DRINKING WATER REGULATIONS FOR INORGANICS |
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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...
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TREATMENT TECHNOLOGY TO MEET THE INTERIM PRIMARY DRINKING WATER REGULATIONS, PART 2. ARSENIC AND SELENIUM |
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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...
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TUMORIGENIC EFFECT OF DIMETHYLARSINIC ACID IN THE RAT |
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The development of neoplasms in humans exposed to arsenic in the environment and in industry has been suggested by epidemiological and several recent animal studies. Sodium arsenit...
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TUMORIGENIC EFFECT OF SODIUM ARSENITE IN RAT KIDNEY |
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Exposure of humans to inorganic arsenic has been associated with the development of neoplasms. This has led to the conclusion that arsenic is a carcinogen but this is without subst...
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TYPES OF ARSENIC AND TREATMENT OPTIONS |
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Presentation will discuss the state-of-the-art technology for removal of arsenic from drinking water. Presentation includes results of several EPA field studies on removal of arse...
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The Accumulation Of Radium And Other Radionuclides In Drinking Water Distribution Systems |
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The tendency for iron solid surfaces to adsorb trace contaminants such as arsenic is well known and has become the basis for several drinking water treatment approaches. It is rea...
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The Effect of Environmental Chemicals on Human Health -- CJA |
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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....
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The Environmental Protection Agency: What They do to Keep Your Drinking Water Safe |
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The EPA has been around for 35 years, but it was only in 1974 that they passed the Safe Drinking Water Act. The Act was amended several times in order to improve the minimum drink...
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The Performance of Adsorptive Media Full Scale Arsenic Removal Systems - USEPA Arsenic Demonstration Program |
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The presentation provides information and data on the performance of several full scale, arsenic removal adsorptive media treatment systems operated under the USEPA arsenic removal...
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Tracking the pathway of arsenic metabolism |
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Although the toxic and carcinogenic properties of arsenic have been recognized for centuries, only in the past few decades has research focused on understanding the metabolic fate ...
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U.S. ARMY CORPS OF ENGINEERS ABANDONED MINE LAND REMEDIATION WORKSHOP |
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Mining activities in the US (not counting coal) produce 1-2 billion tons of mine waste annually. Since many of the ore mines involve sulfide minerals, the production of acid mine d...
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U.S. ENVIRONMENTAL PROTECTION AGENCY (EPA) ENVIRONMENTAL TECHNOLOGY VERIFICATION (ETV) PROGRAM: ARSENIC MONITORING TECHNOLOGIES |
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The U.S. Environmental Protection Agency Environmental Technology Verification (ETV) program evaluates the performance of innovative air, water, pollution prevention and monitoring...
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U.S. ENVIRONMENTAL PROTECTION AGENCY (EPA) ENVIRONMENTAL TECHNOLOGY VERIFICATION (ETV) PROGRAM: ARSENIC TREATMENT TECHNOLOGIES |
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The U.S. Environmental Protection Agency (EPA) Environmental Technology Verification (ETV) program evaluates the performance of innovative air, water, pollution prevention and moni...
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U.S. ENVIRONMENTAL PROTECTION AGENCY'S EVALUATION OF EARLY WARNING SENSORS AND MONITORS FOR DISTRIBUTION |
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Since the terrorist attacks on the United States on September 11, 2001, the safety and security of the United States drinking water distribution systems has been reassessed. Severa...
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U.S. EPA ROUND 1 ARSENIC DEMONSTRATION PROGRAM SITES |
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This poster shows the location of the arsenic demonstration sites of Round 1 of the arsenic treatment technology demonstration program on a map of the USA. The poster has photograp...
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U.S. EPA ROUND 2 ARSENIC DEMONSTRATION PROGRAM SITES |
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This poster shows the location of the arsenic demonstration sites of Round 2 of the arsenic treatment technology demonstration program on a map of the USA....
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U.S. EPA WORKSHOP ON MONITORED NATURAL ATTENUATION FOR INORGANIC CONTAMINANTS |
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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...
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U.S. EPA WORKSHOP ON MONITORED NATURAL ATTENUATION FOR INORGANIC CONTAMINANTS, 07/31/2007 |
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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...
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ULTRASONIC NEBULIZATION AND ARSENIC VALENCE STATE CONSIDERATIONS PRIOR TO DETERMINATION VIA INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY |
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An ultrasonic nebulizer (USN) was utilized as a sample introduction device for an inductively coupled plasma mass spectrometer in an attempt to increase the sensitivity for As. The...
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ULTRAVIOLET RADIATION AND ARSENIC INTERACTIONS: EFFECTS ON CLADOCERANS |
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The effects of arsenic and ultraviolet radiation (UV) on cladocerans have been examined separately, however the interaction of these two stresses has not been explored. Potential s...
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UNDERSTANDING METAL SPECIATION AND BIOAVAILABILITY IN RISK ASSESSMENT AND MANAGEMENT DECISIONS |
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The link between metal speciation and metal bioavailability is critical in understanding the risks posed by contaminants in the environment. This presentation will address componen...
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UPDATE ON THE ROUND ONE AND ROUND TWO USEPA ARSENIC REMOVAL TECHNOLOGY DEMONSTRATION PROJECTS |
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This presentation provides a status report on the Arsenic Treatment Technology Demonstration Program. The information includes the status of the projects on both round 1 and round...
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UPREGULATION OF GLUTATHIONE-RELATED GENES AND ENZYME ACTIVITIES IN CULTURED HUMAN CELLS BY SUBLETHAL CONCENTRATIONS OF INORGANIC ARSENIC. (R826135) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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USE OF HYDROGEN RESPIROMETRY TO DETERMINE METAL TOXICITY TO SULFATE REDUCING BACTERIA |
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Acid mine drainage (AMD), an acidic metal-bearing wastewater poses a severe pollution problem attributed to post-mining activities. The metals (metal sulfates) encountered in AMD a...
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USE OF SYNTHETIC ZEOLITES FOR ARSENATE REMOVAL FROM POLLUTANT WATER |
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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...
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USEPA (UNITED STATES ENVIRONMENTAL PROTECTION AGENCY) METHOD STUDY 7. ANALYSES FOR TRACE ELEMENTS IN WATER BY ATOMIC ABSORPTION SPECTROSCOPY (DIRECT ASPIRATION) AND COLORIMETRY |
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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...
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USEPA ARSENIC REMOVAL DEMONSTRATION PROGRAM |
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This paper provides a summary of the arsenic demonstration program including its history and progress to August, 2003....
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USEPA ARSENIC REMOVAL DEMONSTRATION PROGRAM - STATUS REPORT ON ROUND 1 & 2 |
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This presentation provides a summary of the arsenic demonstration program including a progress on Round 1 and Round 2 projects....
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USEPA ARSENIC REMOVAL DEMONSTRATION PROGRAM: PROGRESS REPORT AND RESULTS |
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The presentation provides information on the progress of the USEPA arsenic removal demonstration program; Rounds 1, 2 and 2a that consist of 50 projects. The presentation also prov...
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USEPA ARSENIC REMOVAL FULL-SCALE DEMONSTRATION PROGRAM |
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On October 31, 2001 EPA announced that the final standard for arsenic in drinking water of ten parts per billion (10 ppb) would become effective on February 22, 2002 without any fu...
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USEPA Arsenic Demonstration Program |
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The presentation provides background information on the USEPA arsenic removal program. The summary includes information on the history of the program, sites and technology selecte...
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USEPA SHEDS MODEL: METHODOLOGY FOR EXPOSURE ASSESSMENT FOR WOOD PRESERVATIVES |
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A physically-based, Monte Carlo probabilistic model (SHEDS-Wood: Stochastic Human Exposure and Dose Simulation model for wood preservatives) has been applied to assess the exposu...
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USEPA'S ARSENIC TREATMENT TECHNOLOGY DEMONSTRATION PROGRAM |
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Presentation will discuss the status of the arsenic treatment technology demonstration program. The presentation will include a review of the past activities of the site solicitati...
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USEPA'S RESEARCH PROGRAM ON REMEDIATION AND CONTAINMENT OF ARSENIC AND MERCURY IN SOILS, INDUSTRIAL WASTES, AND GROUNDWATER |
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In the U.S. and around the world, mercury and arsenic contaminated soils, industrial wastes, and groundwater are difficult to effectively and cheaply remediate and contain. Mercury...
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USEPA'S RESEARCH PROGRAMS ON REMEDIATION OF HARD-TO-TREAT METALS AND ORGANICS |
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USEPA's NRMRL is responsible for planning and implementing R&D programs with respect to a variety of environmental areas. Research areas that have been given increased emphasis in ...
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USEPA'S RESEARCH PROGRAMS ON REMEDIATION OF HARD-TO-TREAT METALS AND ORGANICS |
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USEPA's NRMRL is responsible for planning and implementing R&D programs with respect to a variety of environmental areas. Research areas that have been given increased emphasis in ...
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USEPA'S SMALL SYSTEM ASSISTANCE PROGRAM FOR ARSENIC |
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This presentation provides a summary of the arsenic demonstration program including its history and progress to January 2004....
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USEPA/WSWRD MEMBRANE RESEARCH |
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The USEPA has been very active in membrane research. The following areas are currently being investigated: in-house fouling research, Information Collection Rule (ICR) treatment s...
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USING GIS TO MAP THE DEPTH TO SEDIMENT IN A POND |
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Researchers at the National Risk Management Research Laboratory, USEPA, have been characterizing the source, form, and extent of subsurface contamination of arsenic in an industria...
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USING GIS TO MAP THE DEPTH TO SEDIMENT OF A POND USING A SONIC DEPTH METER AND A TRIMBLE GPS SYSTEM |
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During a research project to identify the source of Arsenic in a watershed, it became necessary to characterize the subsurface sediments in a pond associated with the watershed. T...
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USING PROTEOMICS TO IMPROVE RISK ASSESSMENT OF HUMAN EXPOSURE TO ENVIRONMENTAL AGENTS |
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Using Proteomics to Improve Risk Assessment of Human Exposure to Environmental Agents.
Authors: Witold M. Winnik
Key Words (4): Proteomics, LC/MS, Western Blots, 1D and 2D g...
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UTILITY OF SYNTHETIC ZEOLITES IN REMOVAL OF INORGANIC AND ORGANIC WATER POLLUTANTS |
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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 ...
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UTILITY OF ZEOLITES IN ARSENIC REMOVAL FROM WATER |
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Zeolites are well known for their ion exchange and adsorption properties. So far the cation exchanger properties of zeolites have been extensively studied and utilized. The anion e...
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UTILITY OF ZEOLITES IN HAZARDOUS METAL REMOVAL FROM WATER |
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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...
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UTILITY OF ZEOLITES IN REMOVAL OF INORGANIC AND ORGANIC WATER POLLUTANTS |
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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...
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UTILIZATION OF BACTERIA TO REMEDIATE CONTAMINATED SOILS AND SEDIMENTS IN THE US: LASAGNA AND OTHER TREATMENTS |
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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...
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VALIDATION OF AN ARSENIC SEQUENTIAL EXTRACTION METHOD FOR EVALUATING MOBILITY IN SEDIMENTS. (U915624) |
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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoi...
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VALIDATION OF AN EMISSION MEASUREMENT METHOD FOR INORGANIC ARSENIC FROM STATIONARY SOURCES: PROPOSED METHOD 108. LABORATORY AND FIELD TEST EVALUATION |
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The United States Environmental Protection Agency (USEPA) has listed inorganic arsenic emissions as a hazardous air pollutant. USEPA proposed Method 108 for the measurement of thes...
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VANADIUM CHEMISTRY ESSENTIALS FOR TREATMENT STUDIES |
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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...
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VARIATION OF ELEMENT SPECIATION IN COAL COMBUSTION AEROSOLS WITH PARTICLE SIZE |
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The speciation of sulfur, iron and key trace elements (Cr, As, Se, Zn) in combustion ash aerosols has been examined as a function of size from experimental combustion units burning...
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VIBROTACTILE THRESHOLD AND PIN-PRICK SENSITIVITY AS INDICATORS OF SUBCLINICAL CHANGES IN SOMATOSENSORY FUNCTION: EFFECTS OF ENVIRONMENTAL EXPOSURE TO ARSENIC IN DRINKING WATER. |
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Peripheral neuropathy is a classical symptom of arsenic poisoning. Nerve conduction velocity (NCV) is the preferred measure for clinical assessment of peripheral neuropathy, but...
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VOLATILE ORGANO-METALLOIDS IN BIO-SOLID MATERIALS: ANALYSIS BY VACUUM DISTILLATION-GC/MS |
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An analytical method based on vacuum distillation-gas chromatography-mass spectrometry (VD-GC-MS)
was developed for determining volatile organo-metalloid contaminants in bio...
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WATER DISTRIBUTION SYSTEM DECONTAMINATION |
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SLIDE...
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WORKER EXPOSURE TO ARSENIC IN FLORIDA GRAPEFRUIT SPRAY OPERATIONS |
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Accumulated total body exposure to arsenic was correlated with the urinary arsenic concentration. Exposure to arsenic of all workers was lower than the short-term no-effect level s...
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WORKSHOP ON THE DESIGN AND OPERATION OF ADSORPTIVE MEDIA PROCESSES FOR THE REMOVAL OF ARSENIC FROM DRINKING WATER - CD OF PPT PRESENTATIONS |
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Presentation material from the Workshop on the Design and Operation of the Adsorptive Media Process for the Removal of Arsenic from Drinking Water. To request a copy of this CD con...
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XAFS SPECTROSCOPY ANALYSIS OF SELECTED HAP ELEMENTS IN FINE PM DERIVED FROM COAL COMBUSTION |
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X-ray absorption fine structure (XAFS) spectroscopy has been used to investigate the valence states and molecular structures of sulfur (S), chromium (Cr), arsenic (As), and zinc (Z...
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XFAS SPECTROSCOPY ANALYSIS OF SELECTED HAP ELEMENTS IN FINE PM DERIVED FROM COAL COMBUSTION: JOURNAL ARTICLE |
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NRMRL-RTP-P-646 Shoji, T., Huggins, F.E., Huffman, G.P., Linak*, W.P., and Miller*, C.A. XFAS Spectroscopy Analysis of Selected HAP Elements in Fine PM Derived from Coal Combusti...
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ZEOLITES: EFFECTIVE WATER PURIFIERS |
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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 ...
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ZERO-VALENT IRON FOR HIGH-LEVEL ARSENITE REMOVAL |
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This study conducted by flow through column systems was aimed at investigating the feasibility of using zero-valent iron for arsenic remediation in groundwater. A high concentrati...
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ZERO-VALENT IRON PRB APPLICATION EXPANDS TO ARSENIC REMOVAL |
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The U.S. EPA Office of Research and Developmentās National Risk Management Research Laboratory (NRMRL) and Region 8 have begun evaluating performance of a pilot-scale permeable rea...
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