Recent Additions
October 16, 2008
- NCEA Notice: IRIS Toxicological Review of Tetrachloroethylene (Perchloroethylene): External Peer Review Meeting Announcement
EPA is announcing an independent external peer review to be hosted by the National Academy of Sciences on November 13, 2008, for the draft document entitled, Toxicological Review of Tetrachloroethylene (Perchloroethylene): In Support of Summary Information on the Integrated Risk Information System (IRIS). [Federal Register Oct 16, 2008]
October 15, 2008
- NCEA Notice: Candidates Sought for a Panel on EPA's Dioxin Reassessment
EPA's Science Advisory Board (SAB) Staff Office is soliciting nominations of nationally recognized scientists for consideration of membership on an SAB Panel to provide advice on EPA's reassessment of the health risks from dioxin and related compounds. [Federal Register Oct 15, 2008]
The deadline for nominations is Nov. 5, 2008.
- Poster: ETV Collaborations (PDF) (1 p, 74 KB) September 2008
October 02, 2008
- NCEA Publication: BASINS 4.0 Climate Assessment Tool (CAT): Supporting Documentation and Users Manual
EPA is releasing the external review draft report titled, BASINS 4.0 Climate Assessment Tool (CAT): Supporting Documentation and Users Manual for a 30-day public review and comment period. The deadline for comments is November 3, 2008. [Federal Register Oct 2, 2008]
October 01, 2008
- NCEA Notice: IRIS Toxicological Review of Ethylene Glycol Mono-Butyl Ether (EGBE): Listening Session Announcement
EPA is announcing a listening session to be held on October 10, 2008, during the public comment period for the draft document entitled, Toxicological Review of Ethylene Glycol Mono-Butyl Ether (EGBE): In Support of Summary Information on the Integrated Risk Information System (IRIS). [Federal Register Oct 1, 2008]
September 30, 2008
- NCEA Notice: NCEA releases BMDS 2.1 (Beta Testing)
EPA is making version 2.1 of BMDS available at this time for public beta testing. Version 2.1 includes a beta (external peer review) version of a new time-dependent toxicodiffusion model for continuous outcomes (Zhu et al., 2005), incorporates graphical plots for the continuous exponential models and allows for the use of individual animal continuous response data. - NCEA Publication: IRIS Toxicological Review of Propionaldehyde (Final Report)
EPA is announcing the release of the final report, Toxicological Review of Propionaldehyde: In Support of Summary Information on the Integrated Risk Information System (IRIS). This includes a new Summary for Propionaldehyde and an accompanying toxicological review. - NCEA Notice: Extension for the Draft Integrated Science Assessment for Oxides of Nitrogen and Sulfur--Environmental Criteria and Annexes
EPA is announcing an extension to the public review and comment period on the draft document, Integrated Science Assessment for Sulfur Oxides - Health Criteria and the Annexes (Second External Review Draft). [Federal Register Sep 29, 2008] - NCEA Publication: Child-Specific Exposure Factors Handbook (Final Report)
EPA is announcing the release of the final report, Child-Specific Exposure Factors Handbook (Final Report). The National Center for Environmental Assessment Staff have prepared this handbook to provide information on various physiological and behavioral factors commonly used in assessing children’s exposure to environmental chemicals. Children have different exposure circumstances than do adults. Understanding these differences is key for evaluating potential for environmental hazards from pollutants. - NCEA Publication: Measurement Error Estimation and Correction Methods to Minimize Exposure Misclassification in Epidemiological Studies: Project Summary
EPA is announcing the release of a project summary called, Measurement Error Estimation and Correction Methods to Minimize Exposure Misclassification in Epidemiological Studies: Project Summary. - NCEA Publication: The Application of Physiologically Based Pharmacokinetic Modeling to Determine Route-Specific Contributions to Tissue Dosimetry of Trihalomethanes in Drinking Water
EPA is announcing the release of a project summary called, The Application of Physiologically Based Pharmacokinetic Modeling to Determine Route-Specific Contributions to Tissue Dosimetry of Trihalomethanes in Drinking Water.
September 29, 2008
- NCEA Notice: Integrated Science Assessment (ISA) for Ozone: Public Workshop Oct 29 - 30
EPA is preparing an Integrated Science Assessment (ISA) as part of the review of the National Ambient Air Quality Standards (NAAQS) for Ozone (O3. This is intended to update the scientific assessment presented in the Air Quality Criteria for Ozone and Related Photochemical Oxidants (EPA 600/P-05/004aF-cF), published in February 2006. Interested parties are invited to assist the EPA in developing and refining the scientific information base for the review of the O3 NAAQS by submitting research studies that have been published, accepted for publication, or presented at a public scientific meeting. [Federal Register Sep 29, 2008 ] - NCEA Publication: State-of-the-Science Workshop Report: Issues and Approaches in Low Dose–response Extrapolation for Environmental Health Risk Assessment
EPA is announcing the release of the final report, State-of-the-Science Workshop Report: Issues and Approaches in Low Dose–response Extrapolation for Environmental Health Risk Assessment, originally posted in the Environmental Health Perspectives Journal.
September 26, 2008
- NCEA Notice: Updated Questions and Answers on Dioxin - 2008
EPA is announcing the release of an update on the questions and answers that provide general information about dioxins, a complex subject. The materials presented here provide information about the Environmental Protection Agency's (EPA) 2003 draft risk assessment on dioxins (also called the dioxin reassessment) and the 2006 recommendations by the National Academy of Sciences. In addition to background information, these materials discuss possible effects of dioxin exposure in humans, include advice about consumption of food that might contain dioxins, and explain the review process for the dioxin reassessment before it is finalized. - NCEA WEPPCAT Tool: A new on-line tool for assessing and managing the potential impacts of climate change on sediment loading to streams using the Water Erosion Prediction Project (WEPP) Model
EPA is announcing the availability of a new tool called "WEPPCAT" developed through an Interagency Agreement with the ORD/NCEA Global Change Research Program.
WEPPCAT is an online tool that provides a flexible capability for creating user-determined climate change scenarios for assessing the potential impacts of climate change on sediment loading to streams using the USDA’s Water Erosion Prediction Project (WEPP) Model. In combination with the existing capabilities of WEPP for assessing the effectiveness of management practices, WEPPCAT also can be used to evaluate the effectiveness of strategies for managing the impacts of climate change.
September 25, 2008
- NCEA Notice: IRIS Toxicological Review of Ethylene Glycol Mono-Butyl Ether (EGBE) -- External Peer Review Panel Workshop Announcement
EPA announces the details of the External Peer Review Panel Workshop being held on October 16, 2008. This draft assessment was previously provided for public viewing and comment [Federal Register Apr 25, 2008 ] The public comments received on the Toxicological Review within the external review period will be provided to the peer reviewers prior to the meeting for their consideration. [Federal Register Sep 25, 2008] - NCEA Publication: Analysis of the Sensitivity and Uncertainty in 2-Stage Clonal Growth Models for Formaldehyde with Relevance to Other Biologically-Based Dose Response (BBDR) Models
EPA is announcing the release of the final report, Analysis of the Sensitivity and Uncertainty in 2-Stage Clonal Growth Models for Formaldehyde with Relevance to Other Biologically-Based Dose Response (BBDR) Models.
September 24, 2008
- NCEA Notice: NCEA Launches the ROE Web site
What are the trends in the condition of the nation’s air, water, and land? What are the related trends in human health and ecosystem quality? EPA’s 2008 Report on the Environment (ROE) presents a set of scientifically sound indicators to help answer 23 such questions that are important to the Agency’s mission to protect the environment and human health.
“EPA’s 2008 Report on the Environment is part of an important dialogue on how to improve our ability to assess the nation’s environmental quality and human health, and how we can use that information for better management in achieving measurable environmental results,” said Dr. George Gray, EPA’s assistant administrator for the Office of Research and Development. Learn more about the ROE at epa.gov/roe
September 19, 2008
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NCEA Publication: Problem Formulation for Human Health Risk Assessments of Pathogens in Land-applied Biosolids (External Review Draft)
EPA is releasing the draft document, Problem Formulation for Human Health Risk Assessments of Pathogens in Land-applied Biosolids (External Review Draft), for public review and comment. [Federal Register Sep 19, 2008]
September 17, 2008
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NCEA Publication: Uncertainty and Variability in Physiologically-Based Pharmacokinetic Models: Key Issues and Case Studies (Final Report)
EPA is announcing the release of a final report titled, "Uncertainty and Variability in Physiologically-Based Pharmacokinetic Models: Key Issues and Case Studies (Final Report) ." This report summarizes some of the recent progress in characterizing uncertainty and variability in physiologically-based pharmacokinetic (PBPK) models and their predictions for use in risk assessment.
September 12, 2008
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NCEA Journal Article: Summary of the Workshop on the Power of Aggregated Toxicity Data
EPA is announcing that the article, Summary of the Workshop on "The Power of Aggregated Toxicity Data", has been published in the journal, Toxicology and Applied Pharmacology. -
NCEA Publication: Integrated Science Assessment for Sulfur Oxides – Health Criteria (Final Report)
EPA is announcing the release of the final report entitled,Integrated Science Assessment (ISA) for Sulfur Oxides – Health Criteria and the Annexes. This ISA represents a concise synthesis and evaluation of the most policy-relevant science and will ultimately provide the scientific bases for EPA’s decision regarding whether the current standard for SO2 sufficiently protects the public's health. [Federal Register Sep 12, 2008] - Environmental Technology Verification Report, Terre Hill Concrete Products, Terre Kleen™ 09 (PDF) (57 pp, 1.27 MB) July 2008 | Verification Statement (PDF) (5 pp, 68 KB)
September 11, 2008
- Upcoming Presentations by EPA’s Exposure Researchers
September to December, 2008 -
Recent Exposure Research Publications.
June 1, 2008 to September 10, 2008
September 10, 2008
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NCEA Notice: External Review Meeting on the document, Toxicological Review of Carbon Tetrachloride
EPA is hosting an external peer review panel meeting on October 14, 2008 to review the draft document titled, "Toxicological Review of Carbon Tetrachloride: In Support of Summary Information on the Integrated Risk Information System (IRIS)". Following the External Peer Review, the final assessment will be posted in the IRIS database.[Federal Register Sep 9, 2008]
September 9, 2008
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Title 42 Positions - Application Date Extended
Division Director positions in Human Exposure and Atmospheric Sciences Division, and Environmental Sciences Division.
September 8, 2008
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Updated information concerning SEAOES
Scientific and Ethical Approaches for Observational Exposure Studies. -
Assistance Opportunity Cancelled (amendment 3)
Observational Studies to Characterize the Determinants of Exposure to Chemicals in the Environment for Early-Lifestage Age Groups
September 02, 2008
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NCEA Publication: External Peer Review Comments available on the Toxicological Review of Propionaldehyde
On May 29, 2008, an external peer review panel workshop was hosted by an independent contractor on the Toxicological Review of Propionaldehyde (External Review Draft). Completing this review, a final report of the comments from the workshop were collected and are now available.
August 28, 2008
- Updated Pharmaceutical and Personal Care Products (PPCP) literature references
Listing of literature references to Pharmaceuticals and Personal Care Products in the environment.
August 21, 2008
- NCEA Publication:: A Review of the Impact of Climate Variability and Change on Aeroallergens and their Associated Effects (Final Report)
EPA is announcing the release of a final report titled, "A Review of the Impact of Climate Variability and Change on Aeroallergens and their Associated Effects." This report was prepared by the National Center for Environmental Assessment's Global Climate Research Staff. - Rapid Detection of Whole Soil and Soil Extract Toxicity (PDF) (42 pp, 197KB)
August 18, 2008
- Assistance Opportunity - Request for Application
Amendment 2 for the May 29 Announcement.
August 14, 2008
- NCEA Publication: External Peer Review Comments available on the Toxicological Review of Beryllium
On July 16, 2008, an external peer review panel workshop was hosted by an independent contractor on the Toxicological Review of Beryllium (External Review Draft). Completing this review, a final report of the comments from the workshop were collected and are now available.
August 13, 2008
- NCEA Publication: External Peer Review Comments available on the Toxicological Review of Chlordecone (Kepone)
On April 10, 2008, an external peer review panel workshop was hosted by an independent contractor on the Toxicological Review of Chlordecone (Kepone) (External Review Draft). Completing this review, a final report of the comments from the workshop were collected and are now available.
August 12, 2008
- NCEA Publication: Integrated Science Assessment (ISA) for Oxides of Nitrogen and Sulfur - Environmental Criteria (Second External Review Draft)
EPA is announcing the release of the draft document, Integrated Science Assessment for Oxides of Nitrogen and Sulfur - Environmental Criteria and the Annexes (Second External Review Draft) for public review and comment. The deadline for submitting comments is October 1, 2008. [Federal Register Aug 12, 2008] - NCEA Publication: External Peer Review Comments available on the Toxicological Review of Cerium Oxide and Cerium Compounds
On July 8, 2008, an external peer review panel workshop was hosted by an independent contractor on the Toxicological Review of Cerium Oxide and Cerium Compounds (External Review Draft). Completing this review, a final report of the comments from the workshop were collected and are now available.
August 05, 2008
- NCEA Notice: Assessment of the Impacts of Global Change on Regional U.S. Air Quality (External Review Draft): External Peer Review Meeting Announcement
EPA announces the external peer review meeting for the draft document, Interim Report of the U.S. EPA Global Change Research Program Assessment of the Impacts of Global Change on Regional U.S. Air Quality: A Preliminary Synthesis of Climate Change Impacts on Ground-Level Ozone. [Federal Register Aug 5, 2008]
August 01, 2008
- Building Energy Solutions, LLP Tecogen DG/CHP Installation (PDF) (40 pp, 678 KB) July 2008
July 29, 2008
- NCEA Notice: IRIS Toxicological Review of Tetrachloroethylene (Perchloroethylene): Listening Session Announcement
EPA is announcing a listening session to be held on August 18, 2008, during the public comment period for the draft document entitled, "Toxicological Review of Tetrachloroethylene (Perchloroethylene): In Support of Summary Information on the Integrated Risk Information System (IRIS)". [Federal Register Jul 29, 2008]
July 27, 2008
- Meeting Summary, ETV Air Stakeholder Committee Teleconference (PDF) (9 pp, 57 KB) May 8, 2008
- Meeting Summary, ETV APCT Stakeholder Advisory Committee Meeting (PDF) (6 pp, 40 KB) March 27, 2007
- The Evolution of Improved Baghouse Filter Media as Observed in the Environmental Technology Verification Program (PDF) (12 pp, 172 KB), presented at Air & Waste Management Association, 101st Annual Conference June 24–27, 2008
July 25, 2008
- NCEA Notice: NCEA Vacancies
NCEA is announcing a Title 42, Division Director position in Research Triangle Park, NC and has 2 Post-Doctoral positions descriptions now listed on their Web site. For more information visit [NCEA PostDocs] See individual postings for closing dates. -
NCEA Publication: Preliminary Steps Towards Integrating Climate and Land Use: The Development of Land-Use Scenarios Consistent with Climate Change Emissions Storyline (External Review Draft)
EPA is announcing the release of the draft report entitled,"Preliminary Steps Towards Integrating Climate and Land Use: The Development of Land-Use Scenarios Consistent with Climate Change Emissions Storyline." This draft document is provided for public viewing and comment. [Federal Register Jul 25, 2008] - Meeting Summary, ETV Water Stakeholder Committee Teleconference (PDF) (7 pp, 99 KB) May 15, 2008
July 24, 2008
- NCEA Notice: Extension for the Integrated Science Assessment for Sulfur Oxides - Health Criteria & Annexes Announced
EPA is announcing an extension to the public review and comment period on the draft document, Integrated Science Assessment for Sulfur Oxides - Health Criteria and the Annexes (Second External Review Draft) . [Federal Register Jul 24, 2008] -
NCEA Publication: External Peer Review Comments available on the Toxicological Review of 2-Hexanone
On May 22, 2008, an external peer review panel workshop was hosted by an independent contractor on the Toxicological Review of 2-Hexanone (External Review Draft). Completing this review, a final report of the comments from the workshop were collected and are now available.
July 17, 2008
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NCEA Publication: Analyses of the Effects of Global Change on Human Health and Welfare and Human Systems (SAP 4.6)
EPA, working with the CCSP, have released the final report, Analyses of the Effects of Global Change on Human Health and Welfare and Human Systems. This Synthesis and Assessment Product 4.6 (SAP 4.6) examines potential impacts of climate change on human society, opportunities for adaptation, and associated recommendations for addressing data gaps and near- and long-term research goals.
July 15, 2008
- Pelletized wood fuel, developed by Renewafuels, LLC, co-fired with coal at the University of Iowa Main Power Plant Boiler 10 (a Riley Stoker Corporation unit) (PDF) (62 pp, 1.93 MB) April 2008 | Verification Statement (PDF) (7 pp, 206 KB)
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Wood waste co-fired with coal at the Minnesota Power, Rapids Energy Center Boiler 5 (a Foster Wheeler Spreader Stoker Boiler) (PDF) (60 pp, 1.73 MB) April 2008 | Verification Statement (PDF) (7 pp, 201 KB)
July 11, 2008
NCEA Publication: Publication: Integrated Science Assessment for Oxides of Nitrogen - Health Criteria (Final Report)
EPA is announcing the release of the final report entitled, The Integrated Science Assessment (ISA) for Oxides of Nitrogen - Health Criteria and the Annexes. This ISA document represents a concise synthesis and evaluation of the most policy-relevant science and will ultimately provide the scientific bases for EPA’s decision regarding whether the current standard for NO2 sufficiently protects public health. [Federal Register Jul 11, 2008]
July 10, 2008
NCEA Notice: NCEA releases BMDS 2.0
EPA annouces that NCEA's BMDS Web site has been updated with BMDS version 2.0. This update employs a new, markedly improved user interface and has enhanced batch processing capabilities. In addition to updates made in version 1.4, this version also includes a Hill model for dichotomous responses, which allows an asymptote at less than 100% response rate, and new versions of the familiar quantal models which implement alternative background terms (background additive to dose).NCEA Publication: Assessment of the Impacts of Global Change on Regional U.S. Air Quality (External Review Draft)
EPA announces the release of the draft document, Interim Report of the U.S. EPA Global Change Research Program Assessment of the Impacts of Global Change on Regional U.S. Air Quality: A Preliminary Synthesis of Climate Change Impacts on Ground-Level Ozone. [Federal Register Jul 10, 2008]
June 30, 2008
- NCEA Publication: IRIS releases 4 polybrominated diphenyl ethers (PBDE) Final Toxicological Reviews and Summary Documents
EPA is announcing the release of four completed toxicologal reviews and summary documents following an independent peer review on the scientific basis supporting the human health hazard and dose-response assessments of four congeners of polybrominated diphenyl ethers: tetraBDE (BDE-47), pentaBDE (BDE-99), hexaBDE (BDE-153), and decaBDE (BDE-209). The final reviews and summary documents are available from the Integrated Risk Information System (IRIS) database.
June 26, 2008
NCEA Publication: Concepts, Methods, and Data Sources for Cumulative Health Risk Assessment of Multiple Chemicals, Exposures and Effects: A Resource Document (Final Report)
EPA announced the release of the final report, Concepts, Methods, and Data Sources for Cumulative Health Risk Assessment of Multiple Chemicals, Exposures and Effects: A Resource Document, a resource document that assists in the conduct of multi-chemical, population-focused cumulative risk assessments. [Federal Register Jun 27, 2008]NCEA Publication: IRIS Toxicological Review of Tetrachloroethylene (Perchloroethylene) (External Review Draft)
EPA announces the release of the Toxicological Review of Tetrachloroethylene (Perchloroethylene) (External Review Draft). This draft assessment is provided for public viewing and comment. Public comments received on the Toxicological Review within 90 days after the release of the FRN will be provided to the external peer reviewers for their consideration. [Federal Register Jun 26, 2008]
June 25, 2008
NCEA Notice: IRIS Toxicological Review of Carbon Tetrachloride: Listening Session Announcement
EPA is announcing a listening session to be held on July 16, 2008, during the public comment period for the draft document entitled, "Toxicological Review of Carbon Tetrachloride: In Support of Summary Information on the Integrated Risk Information System (IRIS)". [Federal Register Jun 24, 2008]The Monitor Newsletter (PDF) (2 pp, 1.08 MB) June 2008
June 21, 2008
Determination of Emissions from Outdoor Wood-Fired Hydronic Heaters (PDF) (17 pp, 123 KB) June 2008
NSF International WaterWORKS Newsletter: NSF Offers Training on LT2 Testing Requirements (PDF) (8 pp, 6.03 MB) Summer 2008
June 20, 2008
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NCEA Publication: Preliminary Review of Adaption Options for Climate-Sensitive Ecosystems and Resources (SAP 4.4) (Final Report)
EPA, working with the CCSP, have released the final report, Synthesis and Assessment Product 4.4: Preliminary Review of Adaptation Options for Climate Sensitive Ecosystems and Resources. This Synthesis and Assessment Product 4.4 (SAP 4.4) analyzes information on the state of knowledge of adaptation options for key, representative ecosystems and resources that may be sensitive to climate variability and change.
June 4, 2008
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NCEA Notice: IRIS Toxicological Review of Beryllium: Listening Session Announcement
EPA is announcing a listening session to be held on June 27, 2008, during the public comment period for the draft document entitled, "Toxicological Review of Beryllium: In Support of Summary Information on the Integrated Risk Information System (IRIS)". [Federal Register Jun 4, 2008]
June 3, 2008
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NCEA Notice: IRIS Toxicological Review of Cerium Oxide and Cerium Compounds: Listening Session Announcement
EPA is announcing a listening session to be held on June 25, 2008, during the public comment period for the draft document entitled, "Toxicological Review of Cerium Oxide and Cerium Compounds: In Support of Summary Information on the Integrated Risk Information System (IRIS)". [Federal Register Jun 3, 2008]
May 30, 2008
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NCEA Publication: Integrated Science Assessment (ISA) for Sulfur Oxides - Health Criterial (Second External Review Draft)
EPA is announcing the release of the draft document, Integrated Science Assessment for Sulfur Oxides - Health Criteria and the Annexes (Second External Review Draft) for public review and comment as described in the May 30, 2008 Federal Register Notice .
May 29, 2008
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A Conceptual Framework for U.S. EPA's National Exposure Research Laboratory (draft) (PDF) (draft document, 34 pp., 450 KB)
May 27, 2008
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NCEA Notice: Integrated Science Assessment (ISA) for Particulate Matter: Public Workshop June 16-17
EPA is preparing an Integrated Science Assessment (ISA) as part of the review of the National Ambient Air Quality Standards (NAAQS) for Particulate Matter (PM). This is intended to update and revise, where appropriate, the scientific assessment presented in the Air Quality Criteria for Particulate Matter (EPA 600/P-99/002aF-bF), published in October 2004. Interested parties are invited to assist the EPA in developing and refining the scientific information base for the review of the PM NAAQS by attending this public workshop. This was announced in a May 27, 2008 Federal Register Notice.
May 22, 2008
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NCEA Publication: Development and Evaluation of Novel Dose-Response Models for Use in Microbial Risk Assessment (Final Report)
EPA is announcing the public avalability of the final report “Development and Evaluation of Novel Dose-Response Models for Use in Microbial Risk Assessment.”
May 21, 2008
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NCEA Publication: IRIS Toxicological Review of Carbon Tetrachloride (External Review Draft)
EPA announces the release of the draft document, IRIS Toxicological Review of Carbon Tetrachloride, for public review and comment in the May 21, 2008 Federal Register Notice.
May 20, 2008
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NCEA Notice: EPA Science Forum 2008
EPA announces the 2008 Science Forum. This years theme was about Innovative Technologies: Key to Environmental and Economic Progress. For more information on the forum, and links to posters, etc visit http://www.epa.gov/ord/scienceforum NCEA Publication: EPA's 2008 Report on the Environment (Final Report)
Cover of the EPA 2008 Report on the Environment Final Report EPA is announcing the final report, EPA's 2008 Report on the Environment (EPA 2008 ROE), a science-based report that answers questions about recent trends in human health and the environment.
May 12, 2008
NCEA Publication: IRIS Toxicological Review of Beryllium (External Review Draft) and External Peer Review Panel Workshop Announcement
EPA announces the release of the updated cancer assessment in the Toxicological Review of Beryllium and notice of the External Peer Review Panel Meeting in the http://www.epa.gov/fedrgstr/EPA-TOX/2008/May/Day-12/t10510.htm.
May 7, 2008
Southwest Regional Gap Analysis Project Final Report. U.S. Geological Survey, Gap Analysis Program
W.G. Kepner and D.F. Bradford, Plant Communities, Land Ownership, and Topography in Nevada (PDF) (poster, 1 pp., 718KB), Southwest Regional Gap Analysis Project.
Environmental Technology Verification Report, JSC Optec 3.02 P-A Chemiluminescent Ozone Analyzer (PDF) (37 pp, 345 KB) February 2008 | Verification Statement (PDF) (4 pp, 56 KB)
May 6, 2008
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NCEA Publication: IRIS Toxicological Review of Cerium Oxide and Cerium Compounds (External Review Draft)
EPA announces the release of the draft document, IRIS Toxicological Review of Cerium Oxide and Cerium Compounds , for public review and comment in the May 6, 2008 Federal Register Notice.
May 5, 2008
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NCEA Notice: IRIS Toxicological Review of Propionaldehyde -- External Peer Review Panel Workshop Announcement
EPA announces the notice of the External Peer Review Panel Workshop in the May 2, 2008 Federal Register Notice. This draft assessment was previously provided for public viewing and comment in a Mar 6, 2008 Federal Register Notice. The public comments received on the Toxicological Review within the external review period will be provided to the peer reviewers prior to the meeting for their consideration.
May 2, 2008
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What’s Coming Out of the Tap? - EPA scientist Susan Richardson has received the "Award for Creative Advances in Environmental Science and Technology" for her work exploring disinfection byproducts in the water supply.
April 25, 2008
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NCEA Publication: Toxicological Review of ethylene glycol monobutyl ether (EGBE) (External Review Draft)
EPA announces the release of the Toxicological Review of EGBE in the April 24, 2008 Federal Register Notice. This draft assessment is provided for public viewing and comment. Public comments received on the Toxicological Review within the external review period (next 45 days) will be provided to peer reviewers prior to the External Peer Review Panel Meeting for their consideration. -
NCEA Notice: EPA Announces the IRIS 2008 Agenda (update) EPA has added 3 new IRIS Assessments that may be started in 2008 as announced in the April 25, 2008 Federal Register Notice.
April 24, 2008
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NCEA Publication: Climate Change Effects on Stream and River Biological Indicators: A Preliminary Analysis (Final Report)
EPA is announcing the release of a final report titled, "Climate Change Effects on Stream and River Biological Indicators: A Preliminary Analysis." This report was prepared by the National Center for Environmental Assessment's Global Climate Research Staff.
April 23, 2008
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NCEA Notice: IRIS Toxicological Review of 2-Hexanone -- External Peer Review Panel Workshop Announcement
EPA announces the notice of the External Peer Review Panel Workshop in the April 23, 2008 Federal Register Notice. This draft assessment was previously provided for public viewing and comment in a Mar 3, 2008 Federal Register Notice. The public comments received on the Toxicological Review within the external review period will be provided to the peer reviewers prior to the meeting for their consideration. Meeting Summary, ETV Ballast Water Stakeholder Advisory Group (PDF) (14 pp, 113 KB) August 16, 2007
April 17, 2008
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NCEA Publication: Final Report on the Development of an Analytic Approach to Determine How Environmental Protection Agency’s Integrated Risk Information System (IRIS) Is Used By Non EPA Decision Makers
EPA is announcing the release of a final contractor report titled, Development of an Analytic Approach to Determine How Environmental Protection Agency’s Integrated Risk Information System (IRIS) Is Used By Non EPA Decision Makers. This contractor report analyzed how IRIS is used outside of the EPA, who these IRIS users are, and how well their needs are being met.
April 16, 2008
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NCEA Publication: External Peer Review Comments available on the Toxicological Review of 1,2,3-Trichloropropane
On February 20, 2008, an external peer review panel workshop was hosted by an independent contractor on the Toxicological Review of 1,2,3-Trichloropropane (External Review Draft). Completing this review, a final report of the comments from the workshop were collected and are now available.
April 14, 2008
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NCEA Publication: Application of Watershed Ecological Risk Assessment Methods to Watershed Management (Final)
EPA annnounces the release of the Application of Watershed Ecological Risk Assessment Methods to Watershed Management final document as announced in an April 14, 2008 Federal Register Notice.
April 10, 2008
NCEA Notice: IRIS Process (2008 Update)
EPA has announced an update to the current IRIS Process as described on the April 10, 2008 Press Release announcement.Andrew H. Grange and G. Wayne Sovocool. Identification of Compounds in Water above a Pollutant Plume by High Resolution Mass Spectrometry (PDF) (37 pp, 783KB) Environmental Forensics, 2007, 8, 391-404.
Andrew H. Grange, Rapid Spatial Mapping of Chemicals Dispersed Across Surfaces using an Autosampler /DART/TOFMS (PDF) (4 pp., 642KB), 55th ASMS Conference on Mass Spectrometry and Allied Topics, Indianapolis, IN, June 3-7, 2007.
Interim Guidance for Developing GPS Data Collection Standard Operating Procedures and Quality Assurance Project Plans - a Geospatial Quality Council Product
April 09, 2008
NCEA Publication: Application of Watershed Ecological Risk Assessment Methods to Watershed Management (Final)
EPA annnounces the release of the Application of Watershed Ecological Risk Assessment Methods to Watershed Management final document which has been completed and posted on the NCEA Web site.
April 08, 2008
NCEA Notice: IRIS Toxicological Review of Thallium and Compounds -- External Peer Review Panel Workshop Announcement
EPA announces the notice of the External Peer Review Panel Workshop in the April 8, 2008 Federal Register notice. This draft assessment was previously provided for public viewing and comment in a February 15, 2008 Federal Register notice. The public comments received on the Toxicological Review within the external review period will be provided to the peer reviewers prior to the meeting for their consideration.
March 26, 2008
NCEA Publication: Causal Analysis of Biological Impairment in Long Creek: A Sandy-Bottomed Stream in Coastal Southern Maine (Final)
EPA annnounces the release of the Causal Analysis of Biological Impairment in Long Creek: A Sandy-Bottomed Stream in Coastal Southern Maine final document has been completed as announced in a March 26, 2008 Federal Register Notice.
March 24, 2008
NCEA Vacancies: New Jobs Posted for the Washington Division, RTP Division and the IRIS Program Staff
The National Center for Environmental Assessment (NCEA) is recruiting for Biologist/Toxicologist/Health Scientists in both thier Alexandria and Research Triangle Park (RTP) divisions. The vacancy announcements are accessible via the Agency's EZhire Web site and USAJOBS and close on 04/08/2008 and 04/18/2008.
March 21, 2008
NCEA Notice: NCEA Post-Doctoral Opportunity Announced in Mar 2008
NCEA supports an active postdoctoral program providing federal research experience to up-and-coming environmental scientists. The Center currently supports a variety of postdoctoral professionals and seeks applications for this latest position. Appointments are for 3 years and include a full package of benefits.
March 19, 2008
March 17, 2008
NCEA Notice: EPA launches the Risk Assessment Portal
EPA has launched a new Risk Assessment Portal to help the public learn what a risk assessment is; to be a resource for scientists to find key agency guidance/guidelines and other technical information on risk; and to bridge the gap in general risk assessment concepts and terminology across related EPA web pages. Please visit the site, epa.gov/risk to learn more.Bioaccumulation and Aquatic System Simulator (BASS) (Version 2.2)
A model that simulates the population and bioaccumulation dynamics of age-structured fish communities. Although BASS was specifically developed to investigate the bioaccumulation of chemical pollutants within a community or ecosystem context, it can also be used to explore population and community dynamics of fish assemblages that are exposed to a variety of nonchemical stressors such as altered thermal regimes associated with hydrological alterations or industrial activities, commercial or sports fisheries, and introductions of non native or exotic fish species.BASS User Manual (PDF) (128pp, 2MB, About PDF)
SERAFM - Spreadsheet-based Ecological Risk Assessment for the Fate of Mercury (Version 1.0.4)
SERAFM Conceptual Model - SERAFM is a process-based, steady-state modeling system based in a spreadsheet framework incorporating a series of process modules. SERAFM predicts speciated mercury concentrations (Hg0, HgII, MeHg, HgT) in water (filtered and unfiltered) and sediments, and total mercury concentrations in fish tissue.
March 13, 2008
NCEA Publication: Effects of Climate Change on Aquatic Invasive Species and Implications for Management and Research
Cover of the Climate Change and Aquatic Invasive Species Document EPA is announcing the release of a final report titled, Effects of Climate Change on Aquatic Invasive Species and Implications for Management and Research. This report assesses the state of the science of climate change effects on aquatic invasive species (AIS) and examines state level management activities.
March 12, 2008
Procedures for the Derivation of Equilibrium Partitioning Sediment Benchmarks (ESBs) for the Protection of Benthic Organisms
This equilibrium partitioning sediment benchmark (ESB) document describes procedures to derive concentrations for 32 nonionic organic chemicals in sediment which are protective of the presence of freshwater and marine benthic organisms.U.S. EPA Environmental Technology Verification Program (ETV) Guidelines for Proper Use of the ETV Name and Logo (PDF) (15 pp, 646 KB, About PDF) (EPA/600/R-08/029) March 2008
U.S. EPA Environmental Technology Verification Program, Purpose of Verifications and Use of Program Name and Logo (PDF) (1 p, 33 KB, About PDF) March 2008
March 11, 2008
The Western Airborne Contaminants Assessment Project Page
The Western Airborne Contaminants Assessment Project (WACAP) was initiated to determine the risk from airborne contaminants to ecosystems and food webs in western national parks of the United States. PDF versions of the WACAP final report are now available.
March 7, 2008
The Ecological Research Program
This site offers information on ecosystem services research conducted by the Ecological Research Program in EPA's Office of Research and Development. The program is developing the tools needed by resource managers to consider the cost and benefits of using the goods and services of nature such as clean air and water, flood control, and fertile soil for crop production.
March 6, 2008
Environmental Technology Verification Program, Policy Compendium (PDF) (38 pp, 220 KB, About PDF) (EPA/600/R-08/025) February 2008
Environmental Technology Verification Program Meeting Summary, Stakeholder Steering Committee Meeting (PDF) (6 pp, 36 KB, About PDF) | Meeting Agenda and Information Packet (PDF) (9 pp, 56 KB, About PDF) November 27, 2007
March 5, 2008
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NCEA Publication: Integrated Science Assessment for Oxides of Nitrogen - Health Criteria (Second External Review Draft)
EPA is announcing the release of the draft document, Integrated Science Assessment for Oxides of Nitrogen - Health Criteria (Second External Review Draft) and Annexes for public review and comment as described in the March 5, 2008 Federal Register Notice. NCEA Publication: A Screening Assessment of the Potential Impacts of Climate Change on Combined Sewer Overflow (CSO) Mitigation in the Great Lakes and New England Regions (Final)
EPA is announcing the release of a final report titled, "A Screening Assessment of the Potential Impacts of Climate Change on Combined Sewer Overflow (CSO) Mitigation in the Great Lakes and New England Regions". This report is a screening-level assessment of the potential implications climate change has had on combined sewer overflow (CSO) mitigation in the Great Lakes and New England Regions.Publication: IRIS Toxicological Review of Propionaldehyde (External Review Draft)
EPA announces the release of the Toxicological Review of Propionaldehyde and notice of the External Peer Review Panel Meeting in a March 6, 2008 Federal Register Notice. This draft assessment is provided for public viewing and comment.