Recent National Center for Environmental Assessment (NCEA) Records

Publication: Report on the Environmental Indicators: An Uncertainty and Scaling Pilot Study (Final Report)

Fri, 20 Nov 2009 05:00:00 GMT

EPA is announcing the release of the Report on the Environmental Indicators: An Uncertainty and Scaling Pilot Study. This final report provides an analysis of uncertainty and scaling for seven of the Report on the Environment (ROE) indicators. The purpose of the ROE is to provide a reliable set of indicators for year-to-year comparisons and to inform Agency planning and decision-making, making the treatment of uncertainty critical.

Notice: IRIS Toxicological Review of Cis-and Trans-1,2-Dichloroethylene: External Peer Review Panel Workshop Announcement

Tue, 10 Nov 2009 05:00:00 GMT

EPA announces the details of an external peer review workshop to be held on December 17, 2009. This draft assessment, Toxicological Review of Cis-and Trans-1,2-Dichloroethylene: In Support of Summary Information on the Integrated Risk Information System (IRIS) was previously provided for public viewing and comment. [Federal Register November 10, 2009]

Notice: IRIS Toxicological Review of Trichloroacetic Acid : External Peer Review Panel Workshop Announcement

Tue, 10 Nov 2009 05:00:00 GMT

EPA announces the details of an external peer review workshop to be held on December 10, 2009. This draft assessment, Toxicological Review of Trichloroacetic Acid: In Support of Summary Information on the Integrated Risk Information System (IRIS) was previously provided for public viewing and comment. [Federal Register November 10, 2009]

Notice: IRIS Toxicological Review of Hydrogen Cyanide and Cyanide Salts: External Peer Review Panel Workshop Announcement

Tue, 10 Nov 2009 05:00:00 GMT

EPA announces the details of an external peer review workshop to be held on December 14, 2009. This draft assessment, Toxicological Review of Hydrogen Cyanide and Cyanide Salts: In Support of Summary Information on the Integrated Risk Information System (IRIS) was previously provided for public viewing and comment. [Federal Register November 10, 2009]

Notice: IRIS Toxicological Review of Chloroprene: Public Listening Session Announcement

Thu, 05 Nov 2009 05:00:00 GMT

EPA is announcing a listening session to be held on November 23, 2009, during the public comment period for the draft document entitled, Toxicological Review of Chloroprene: In Support of Summary Information on the Integrated Risk Information System (IRIS). [Federal Register November 5, 2009]

Publication: IRIS Toxicological Review of Trichloroethylene (External Review Draft)

Tue, 03 Nov 2009 05:00:00 GMT

EPA announces the release of the draft Toxicological Review of Trichloroethylene (TCE) for a 90-day public review and comment period. Additionally, as per the new IRIS process, all comments received from federal agencies and White House offices on draft IRIS assessments will be made publicly available. Accordingly, interagency comments and the interagency draft of the trichloroethylene IRIS assessment have also been released. [Federal Register November 3, 2009]

Notice: IRIS Literature Search Availability for 3 IRIS Assessments

Mon, 02 Nov 2009 05:00:00 GMT

EPA is announcing the availability of literature searches for three IRIS assessments that were or may be started in 2009 and requesting scientific information on health effects that may result from exposure to these chemical substances. [Federal Register Nov. 2, 2009]

Publication: Highlights of the Child-Specific Exposure Factors Handbook (Final Report)

Tue, 27 Oct 2009 05:00:00 GMT

EPA is announcing the release of the final report, Highlights of the Child-Specific Exposure Factors Handbook. This highlights document provides some introductory information about the handbook and presents a summary of the recommendations presented in the Child-Specific Exposure Factors Handbook (CSEFH). [Press Release October 27, 2009]

Notice: EPA Request for Nominations of Experts for the SAB Trichloroethylene (TCE) Review Panel

Thu, 22 Oct 2009 05:00:00 GMT

The Science Advisory Board (SAB) Staff Office is requesting public nominations of experts to form an SAB Ad Hoc Panel to review EPA's health effects assessment for Trichloroethylene (TCE).

Notice: SAB Clean Air Scientific Advisory Committee (CASAC) Ozone Review Panel

Thu, 22 Oct 2009 05:00:00 GMT

The EPA Science Advisory Board (SAB) Staff Office announces a public teleconference of the Clean Air Scientific Advisory Committee Ozone Review Panel to conduct a consultation on EPA's draft Integrated Review Plan for the National Ambient Air Quality Standards for Ozone (External Review Draft, September 2009).

Publication: External Peer Review Comments available on the Toxicological Review of ethylene glycol monobutyl ether (EGBE)

Wed, 21 Oct 2009 05:00:00 GMT

On April 25, 2008, the Toxicological Review of ethylene glycol monobutyl ether (EGBE) was released for external review. Comments from the first and second rounds of this review were consolidated and reports are now available.

Publication: External Peer Review Comments available on the Toxicological Review of Pentachlorophenol

Wed, 21 Oct 2009 05:00:00 GMT

On August 4, 2009, an external peer review panel workshop was hosted by an independent contractor on the Toxicological Review of Pentachlorophenol (External Review Draft). Completing this review, a final report of the comments from the workshop were collected and is now available.

Notice: SAB Clean Air Scientific Advisory Committee Carbon Monoxide Review Panel Meeting & Teleconference

Wed, 21 Oct 2009 05:00:00 GMT

The EPA Science Advisory Board (SAB) Staff Office announces a meeting of the Clean Air Scientific Advisory Committee (CASAC) Carbon Monoxide Review Panel to peer review NCEA's Integrated Science Assessment for Carbon Monoxide:Second External Review Draft (September 2009).

Notice: EPA Request for Nominations of Experts for the SAB Polycyclic Aromatic Hydrocarbon (PAH) Mixtures Review Panel

Wed, 21 Oct 2009 05:00:00 GMT

The Science Advisory Board (SAB) Staff Office is requesting public nominations of experts to form an SAB Ad Hoc Panel to review EPA's draft technical document entitled Development of a Relative Potency Factor (RPF) Approach for Polycyclic Aromatic Hydrocarbon (PAH) Mixtures. The deadline for nominations is November 12, 2009.

Publication: Integrated Risk Information System (IRIS) Update Project; Announcement of 2009/2010 Agenda

Wed, 21 Oct 2009 05:00:00 GMT

EPA is announcing the IRIS Update Project?s 2009 agenda and requests submission of new and relevant scientific information on health effects for the identified assessments listed in the IRIS Project?s 2009 agenda. Information must be submitted within 60 days of the publication of this notice. [Federal Register October 21, 2009]

Notice: EPA Request for Nominations of Experts for the SAB Methanol Review Panel

Tue, 20 Oct 2009 05:00:00 GMT

The Science Advisory Board (SAB) Staff Office is requesting public nominations of experts to form an SAB Ad Hoc Panel to review EPA?s health effects assessment for Methanol. The deadline for nominations is November 10, 2009.

Publication: Evaluating Ecological Risk to Invertebrate Receptors from PAHs in Sediments at Hazardous Waste Sites (Final Report)

Mon, 19 Oct 2009 05:00:00 GMT

EPA's Ecological Risk Assessment Support Center (ERASC) is announcing the release of the final report entitled, Evaluating Ecological Risk to Invertebrate Receptors from PAHs in Sediments at Hazardous Waste Sites. The report provides an approach for assessing risk to invertebrate receptors resulting from exposure to polycyclic aromatic hydrocarbon compounds (PAHs) in contaminated sediments.

Publication: IRIS Toxicological Review of Cerium Oxide and Cerium Compounds (Interagency Science Consultation Draft)

Wed, 14 Oct 2009 05:00:00 GMT

EPA has released the draft documents and comments from the Interagency Science Discussion of the Toxicological Review of Cerium Oxide and Cerium Compounds. As per the new IRIS process, all comments received from federal agencies and White House offices on draft IRIS assessments will be made publicly available. Accordingly, interagency comments and the interagency draft of the Cerium Oxide IRIS assessment have now been posted on this site.

Publication: IRIS Toxicological Review of Trichloroacetic Acid (Interagency Science Consultation Draft)

Wed, 14 Oct 2009 05:00:00 GMT

EPA has released the draft documents and comments from the Interagency Science Discussion of the Toxicological Review of Trichloroacetic Acid. As per the new IRIS process, all comments received from federal agencies and White House offices on draft IRIS assessments will be made publicly available. Accordingly, interagency comments and the interagency draft of the Trichloroacetic Acid IRIS assessment have now been posted on this site.

Publication: IRIS Toxicological Review of Chlordecone (Interagency Science Consultation Draft)

Wed, 14 Oct 2009 05:00:00 GMT

EPA has released the draft documents and comments from the Interagency Science Discussion of the Toxicological Review of Chlordecone. As per the new IRIS process, all comments received from federal agencies and White House offices on draft IRIS assessments will be made publicly available. Accordingly, interagency comments and the interagency draft of the Chlordecone IRIS assessment have now been posted on this site.

Publication: IRIS Toxicological Review of 2-Hexanone (Interagency Science Consultation Draft)

Wed, 14 Oct 2009 05:00:00 GMT

EPA has released the draft documents and comments from the Interagency Science Discussion of the Toxicological Review of 2-Hexanone. As per the new IRIS process, all comments received from federal agencies and White House offices on draft IRIS assessments will be made publicly available. Accordingly, interagency comments and the interagency draft of the 2-Hexanone IRIS assessment have now been posted on this site.

Publication: IRIS Toxicological Review of 1,2,3-Trichloropropane (Interagency Science Consultation Draft)

Wed, 14 Oct 2009 05:00:00 GMT

EPA has released the draft documents and comments from the Interagency Science Discussion of the Toxicological Review of 1,2,3-Trichloropropane. As per the new IRIS process, all comments received from federal agencies and White House offices on draft IRIS assessments will be made publicly available. Accordingly, interagency comments and the interagency draft of the 1,2,3-Trichloropropane IRIS assessment have now been posted on this site.

Publication: IRIS Toxicological Review of Cis- & Trans-1,2-Dichloroethylene (Interagency Science Consultation Draft)

Tue, 13 Oct 2009 05:00:00 GMT

EPA has released the draft documents and comments from the Interagency Science Discussion of the Toxicological Review of Cis- and Trans-1,2-Dichloroethylene . As per the new IRIS process, all comments received from federal agencies and White House offices on draft IRIS assessments will be made publicly available. Accordingly, interagency comments and the interagency draft of the 1,2-Dichloroethylene IRIS assessment have now been posted on this site.

Vacancies: EPA announces 2 positions in the Washington Division - closing 11/16

Fri, 09 Oct 2009 05:00:00 GMT

EPA seeks to recruit exceptional men and women who will work in new creative ways that are cleaner for the environment, cheaper for business and taxpayers, and smarter for America's future. These two positions (a biologist and a mathematician) are located in the Office of Research and Development (ORD), National Center for Environmental Assessment (NCEA), Washington Division's Quantitative and Risk Methods Group (QRMG) Branch located in Arlington, VA.

Publication: Exposure Factors Handbook 2009 Update (External Review Draft)

Wed, 07 Oct 2009 05:00:00 GMT

EPA is announcing the release of the draft document, Exposure Factors Handbook 2009 Update (External Review Draft) for a 60-day public review and comment period. The deadline for comments is November 24, 2009. [Federal Register October 7, 2009]

Notice: Extension of Public Comment Period: Second External Review Draft Integrated Science Assessment for Particulate Matter

Mon, 05 Oct 2009 05:00:00 GMT

EPA published a notice in the Federal Register of Monday, August 31, 2009, announcing the extension of the public comment period for the "Integrated Science Assessment for Particulate Matter--Second External Review Draft"' (EPA/600/R-08/139B and EPA/600/R-08/139BA). The closing date of the extended comment period is a Federal holiday, October 12, 2009. Thus, the comment period is being extended to October 13, 2009. [ Federal Register October 5, 2009]

Publication: IRIS Toxicological Review of Thallium and Compounds (Final Report)

Wed, 30 Sep 2009 05:00:00 GMT

EPA announces a new summary for Thallium (I), soluble salts , an updated summary for Thallium oxide, an updated summary for Thallium selenite, and an accompanying Toxicological Review (PDF) (136 pp, 964K) for all three, which has been added to the IRIS Web site and database. This assessment replaces the assessments for the following related substances: Thallium acetate, Thallium carbonate, Thallium chloride, Thallium nitrate, and Thallium (I) sulfate. In addition, Thallic oxide was renamed and replaced by Thallium oxide.

Publication: Review of the University of Michigan Dioxin Exposure Study (September 2009)

Wed, 30 Sep 2009 05:00:00 GMT

EPA is announcing the release of the report, Review of the University of Michigan Dioxin Exposure Study (September 2009). This report represents EPA?s evaluation and review of the University of Michigan Dioxin Exposure Study (UMDES). The UMDES was a field study of dioxin and dioxin-like compounds in the blood serum of populations living in and around Midland, Michigan, and was designed to understand the pattern of serum dioxin, furan and PCB levels among adults in the area and the factors that explain variation in these levels.

Publication: IRIS Toxicological Review of 1,2,3-Trichloropropane (Final Report)

Wed, 30 Sep 2009 05:00:00 GMT

EPA announces a new Summary for 1,2,3-Trichloropropane and accompanying Toxicological Review (PDF) (247 pp, 1.9M) have been added to the IRIS Web site.

Publication: IRIS Toxicological Review of Bromobenzene (Final Report)

Wed, 30 Sep 2009 05:00:00 GMT

EPA announces a new Summary for Bromobenzene and accompanying Toxicological Review (PDF) (123 pp, 764K) have been added to the IRIS Web site.

Publication: Approach to Using Toxicogenomic Data in U.S. EPA Human Health Risk Assessments: A Dibutyl Phthalate Case Study (Final Report)

Wed, 30 Sep 2009 05:00:00 GMT

EPA is announcing the release of the final report, An Approach to Using Toxicogenomic Data in U.S. EPA Human Health Risk Assessments: A Dibutyl Phthalate Case Study. This final report is a description of an approach to evaluate genomic data for use in risk assessment and a case study to illustrate the approach.

Database: Physiological Information Database (Final Release)

Wed, 30 Sep 2009 05:00:00 GMT

EPA is announcing the release of the Physiological Information Database for Physiologically-Based Pharmacokinetic (PBPK) Modeling. The database contains physiological parameter values for humans (all ages) as well as similar data for laboratory animal species (primarily rodents).

Publication: IRIS Toxicological Review of Cerium Oxide and Cerium Compounds (Final Report)

Tue, 29 Sep 2009 05:00:00 GMT

EPA announces a new Summary for Cerium oxide and cerium compounds and accompanying Toxicological Review (PDF) (118 pp, 703K) have been added to the IRIS Web site.

Publication: IRIS Toxicological Review of Chloroprene (External Review Draft)

Tue, 29 Sep 2009 05:00:00 GMT

EPA announces the release of the draft document, Toxicological Review of Chloroprene: In Support of the Summary Information in the Integrated Risk Information System (IRIS), for a 60 day public review and comment period. [Federal Register September 29, 2009]

Publication: Advances in Inhalation Dosimetry of Gases and Vapors with Portal of Entry Effects in the Upper Respiratory Tract (Final Report)

Tue, 29 Sep 2009 05:00:00 GMT

EPA is releasing the final status report entitled, Advances in Inhalation Dosimetry of Gases and Vapors with Portal of Entry Effects in the Upper Respiratory Tract. This report provides a review of the advances in the state of the science for interspecies inhalation gas dosimetry related to the upper respiratory tract or nasal tract region.

Notice: SAB Request for Nominations of Experts To Provide Advice on Ecological Impacts Associated With Mountaintop Mining and Valley-Fill Operations

Mon, 28 Sep 2009 05:00:00 GMT

EPA's Science Advisory Board is requesting nominations to form an ad hoc panel to provide expert advice to the EPA on a draft assessment of the ecological impacts associated with a surface coal mining technique known as mountaintop mining and valley-fill where mining overburden is placed in adjacent valleys. This assessment is being prepared by NCEA at the request of EPA's Regional Office in Philadelphia, PA.

Publication: IRIS Toxicological Review of 2-Hexanone (Final Report)

Fri, 25 Sep 2009 05:00:00 GMT

EPA announces a new Summary for 2-Hexanone and accompanying Toxicological Review (PDF) (136 pp, 964K) have been added to the IRIS Web site.

Publication: Graphical Arrays of Chemical-Specific Health Effect Reference Values for Inhalation Exposures (Final Report)

Thu, 24 Sep 2009 05:00:00 GMT

EPA annouces the release of the final report entitled, Graphical Arrays of Chemical-Specific Health Effect Reference Values for Inhalation Exposures. This document provides graphical arrays and tables of key information on the derivation of human inhalation health effect reference values for specific chemicals (about 24), allowing comparisons across durations, populations, and intended use.

Publication: IRIS Toxicological Review of 1,1,2,2-Tetrachloroethane (External Review Draft Availability & Listening Session Announcement)

Thu, 24 Sep 2009 05:00:00 GMT

EPA announces the release of the draft document, Toxicological Review of 1,1,2,2-Tetrachloroethane: In Support of the Summary Information in the Integrated Risk Information System (IRIS), for a 60 day public review and comment period. Following the review period, EPA is announcing a public listening session to be held on October 14, 2009. [Federal Register September 24, 2009]

Publication: IRIS Toxicological Review of Cis- & Trans-1,2-Dichloroethylene (External Review Draft Availability & Listening Session Announcement)

Thu, 24 Sep 2009 05:00:00 GMT

EPA announces the release of the draft document, Toxicological Review of Cis- and Trans-1,2-Dichloroethylene : In Support of the Summary Information in the Integrated Risk Information System (IRIS), for a 60 day public review and comment period. Following the review period, EPA is announcing a public listening session to be held on October 19, 2009. [Federal Register September 24, 2009]

Publication: IRIS Toxicological Review of Trichloroacetic Acid (External Review Draft Availability & Listening Session Announcement)

Thu, 24 Sep 2009 05:00:00 GMT

EPA announces the release of the draft document, Toxicological Review of Trichloroacetic Acid: In Support of the Summary Information in the Integrated Risk Information System (IRIS), for public review and comment. EPA is also announcing a public listening session to be held on November 4, 2009. [Federal Register September 24, 2009]

Notice: IRIS Toxicological Review of Ethyl Tertiary Butyl Ether: Listening Session Announcement

Wed, 23 Sep 2009 05:00:00 GMT

EPA is announcing a listening session to be held on October 7, 2009, during the public comment period for the draft document entitled, Toxicological Review of Ethyl Tertiary Butyl Ether (ETBE): In Support of Summary Information on the Integrated Risk Information System (IRIS). [Federal Register September 23, 2009]

Publication: IRIS Toxicological Review of Hydrogen Cyanide and Cyanide Salts (External Review Draft Availability & Listening Session Announcement)

Wed, 23 Sep 2009 05:00:00 GMT

EPA announces the release of the draft document, Toxicological Review of Hydrogen Cyanide and Cyanide Salts: In Support of the Summary Information in the Integrated Risk Information System (IRIS), for a 60 day public review and comment period. Following the review period, EPA is announcing a public listening session to be held on October 27, 2009. [Federal Register September 23, 2009]

Publication: Integrated Science Assessment for Carbon Monoxide (Second External Review Draft)

Wed, 23 Sep 2009 05:00:00 GMT

EPA is announcing the release of the draft document, Integrated Science Assessment (ISA) for Carbon Monoxide (Second External Review Draft) for public review and comment. [Federal Register September 23, 2009]

Publication: IRIS Toxicological Review of Chlordecone (Final Report)

Tue, 22 Sep 2009 05:00:00 GMT

EPA announces a new Summary for Chlordecone (Kepone) and an accompanying toxicological review (PDF) (183 pp, 1.1M) have been added to the IRIS Database.

Publication: IRIS Toxicological Review of Ethyl Tertiary Butyl Ether (ETBE) (External Review Draft)

Thu, 20 Aug 2009 05:00:00 GMT

EPA announces the release of the draft document, Toxicological Review of Ethyl Tertiary Butyl Ether: In Support of the Summary Information in the Integrated Risk Information System (IRIS), for a 60 day public review and comment period. [Federal Register August 20, 2009]

Publication: Inhibition of the Sodium-Iodide Symporter By Perchlorate: An Evaluation of Lifestage Sensitivity Using Physiologically Based Pharmacokinetic (PBPK) Modeling (Final Report)

Wed, 19 Aug 2009 05:00:00 GMT

EPA is releasing this final report as supporting material for the Reevaluation of the Chemical Perchlorate as announced in an Aug 5, 2009 EPA Press Release. With this announcement comes a request for additional comments on alternative ways to analyze data related to the regulatory determination of perchlorate. A key focus of this re-evaluation is perchlorate exposure to sensitive life stages including infants and developing children, in addition to pregnant women and their developing fetuses. [Federal Register Aug 19, 2008]

Publication: Analysis of the Causes of a Decline in the San Joaquin Kit Fox Population on the Elk Hills, Naval Petroleum Reserve #1, California (Final Report)

Fri, 14 Aug 2009 05:00:00 GMT

EPA is announcing the availability of the final report, Analysis of the Causes of a Decline in the San Joaquin Kit Fox Population on the Elk Hills, Naval Petroleum Reserve #1, California. This report describes a causal assessment of the decline in the abundance of San Joaquin kit foxes on an oil field. The EPA CADDIS system was used to perform the causal inference, therefore this final report will also be referenced on the CADDIS site as a case study.

Publication: Integrated Science Assessment for Particulate Matter (PM) (Second External Review Draft)

Fri, 31 Jul 2009 05:00:00 GMT

EPA is announcing the release of the draft document, Integrated Science Assessment for Particulate Matter (Second External Review Draft) and annexes. This draft 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 National Ambient Air Quality Standards (NAAQS) for PM sufficiently protects public health and the environment. [Federal Register July 31, 2009]

Publication: Nanomaterial Case Studies:Nanoscale Titanium Dioxide (External Review Draft)

Fri, 31 Jul 2009 05:00:00 GMT

EPA is announcing a 45-day public comment period for the draft document, Nanomaterial Case Studies: Nanoscale Titanium Dioxide in Water Treatment and Topical Sunscreen (External Review Draft). This draft document presents two case studies of nanoscale titanium dioxide (nano-TiO₂) used (1) to remove arsenic from drinking water and (2) as an active ingredient in topical sunscreen. This draft document is part of a process that will inform the development of EPA?s research strategy to support nanomaterial risk assessments. [Federal Register July 31, 2009 ]

Publication: External Peer Review Comments available on the Toxicological Review of Halogenated Platinum Salts and Platinum Compounds

Mon, 06 Jul 2009 05:00:00 GMT

On May 21, 2009, an external peer review panel workshop was hosted by an independent contractor on the Toxicological Review of Halogenated Platinum Salts and Platinum Compounds (External Review Draft). Completing this review, a final report of the comments from the workshop were collected and is now available.

Notice: IRIS Toxicological Review of Pentachlorophenol: External Peer Review Panel Workshop Announcement

Mon, 29 Jun 2009 05:00:00 GMT

EPA announces the details of an external peer review workshop to be held on August 4, 2009. This draft assessment was previously provided for public viewing and comment [Federal Register May 7, 2009 ] 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 June 29, 2009]

Publication: Metabolically Derived Human Ventilation Rates: A Revised Approach Based Upon Oxygen Consumption Rates (Final Report)

Mon, 29 Jun 2009 05:00:00 GMT

EPA announces the release of the final report, Metabolically Derived Human Ventilation Rates: A Revised Approach Based Upon Oxygen Consumption Rates .

Publication: Land-Use Scenarios: National-Scale Housing-Density Scenarios Consistent with Climate Change Storylines (Final Report)

Fri, 19 Jun 2009 05:00:00 GMT

EPA announces the availability of the final report, Land-Use Scenarios: National-Scale Housing-Density Scenarios Consistent with Climate Change Storylines. This report describes the scenarios and models used to generate national-scale housing density scenarios for the conterminous U.S. to the year 2100. The report was prepared by the Office of Research and Development's National Center for Environmental Assessment's Global Change Research Program.

Notice: SAB Advisory Committee to meet on the EPA's Report on the Environment: Public Meeting Announcement

Tue, 09 Jun 2009 05:00:00 GMT

EPA announces a public meeting to be held on June 30, 2009 to July 1, 2009 in Washington D.C. for the Science Advisory Board (SAB) Advisory Committee's discussion of the EPA's Report on the Environment. [Jun 9, 2009 Federal Register Notice]

Notice: IRIS Toxicological Review of 1,4-Dioxane: Listening Session & External Peer Review Workshops Announcement

Tue, 09 Jun 2009 05:00:00 GMT

EPA is announcing a public listening session to be held on July 6, 2009 and an external peer review workshop to be held on August 17, 2009, during the public comment period for the draft document entitled, Toxicological Review of 1,4-Dioxane: In Support of Summary Information on the Integrated Risk Information System (IRIS). [Federal Register Jun 9, 2009]

Notice: IRIS Toxicological Review of Pentachlorophenol: Listening Session Announcement

Tue, 09 Jun 2009 05:00:00 GMT

EPA is announcing a listening session to be held on June 24, 2009, during the public comment period for the draft document entitled, Toxicological Review of Pentachlorophenol: In Support of Summary Information on the Integrated Risk Information System (IRIS). [Federal Register Jun 9, 2009]

Publication: Summary of U.S. EPA Dioxin Workshop - Feb 2009

Mon, 08 Jun 2009 05:00:00 GMT

EPA announces the release of the summary report cumulating the discussion and conclusions from the Feb 18-20, 2009 dioxin draft reassessment workshop held in Cincinnati, OH. EPA and Argonne National Laboratories, through an inter-Agency agreement with the U.S. Department of Energy, convened a workshop that identified and addressed issues related to the dose-response assessment of 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD).

Notice: Notice: Draft Integrated Science Assessment for Carbon Monoxide: Review Follow-up Meeting

Thu, 28 May 2009 05:00:00 GMT

EPA's Science Advisory Board (SAB) to review and approve the draft report of the CASAC Carbon Monoxide Review Panel regarding the review of the CO ISA (First External Review Draft). [Federal Register May 28, 2009]

Notice: EPA's Science Plan for Activities Related to Dioxins in the Environment

Tue, 26 May 2009 05:00:00 GMT

EPA announces the release of the 2009 Science Plan for activities related to Dioxins in the environment. [Press Release May 26, 2009]

Notice: IRIS Process (2009 Update)

Thu, 21 May 2009 05:00:00 GMT

EPA announces reforms to the agency's Integrated Risk Information System (IRIS) that will revitalize the program and ensure its scientific quality, integrity, transparency and timeliness. [Press Release May 21, 2009]

Publication: An Approach to Using Toxicogenomic Data in U.S. EPA Human Health Risk Assessments: A Dibutyl Phthalate Case Study (External Review Draft)

Wed, 20 May 2009 05:00:00 GMT

EPA is announcing a 30-day public comment period for the draft document, "An Approach to Using Toxicogenomic Data in U.S. EPA Human Health Risk Assessments: A Dibutyl Phthalate Case Study (External Review Draft)", as announced in the May 20, 2009 Federal Register Notice. In addition EPA will convene an independent panel of experts to conduct an external peer-review workshop to review the external review draft report. [Federal Register May 20, 2009]

Publication: BASINS 4.0 Climate Assessment Tool (CAT): Supporting Documentation and User's Manual (Final Report)

Wed, 20 May 2009 05:00:00 GMT

EPA is announcing the release of the final report titled, "BASINS 4.0 Climate Assessment Tool (CAT): Supporting Documentation and User's Manual". The purpose of this report is to provide in a single document a variety of documentation and user support materials supporting the use of BASINS CAT.

Publication: IRIS Toxicological Review of Pentachlorophenol (External Review Draft)

Thu, 07 May 2009 05:00:00 GMT

EPA announces the release of the draft document, Toxicological Review of Pentachlorophenol, for public review and comment. [Federal Register May 7, 2009]

Publication: IRIS Toxicological Review of 1,4-Dioxane (External Review Draft)

Thu, 07 May 2009 05:00:00 GMT

EPA announces the release of the draft document, Toxicological Review of 1,4-Dioxane, for public review and comment. [Federal Register May 7, 2009]

Notice: NCEA Division's seeks two new full-time employees

Tue, 05 May 2009 05:00:00 GMT

NCEA is announcing an opportunity for a Deputy Division Director of our Cincinnati Ohio Office and an epidemiologist (specifically in the evaluation of evidence from epidemiologic studies on effects of ambient air pollutants) to join the staff of our Research Triangle Park Division. For more information about these 2 vacancies vist USAjobs.com.

Notice: IRIS Toxicological Review of Halogenated Platinum Salts and Platinum Compounds: External Peer Review Panel Workshop Announcement

Mon, 27 Apr 2009 05:00:00 GMT

EPA announces the details of the External Peer Review Panel Workshop being held on May 21, 2009. This draft assessment was previously provided for public viewing and comment [Federal Register Feb 5, 2009 ] 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 April 27, 2009]

Publication: Assessment of the Impacts of Global Change on Regional U.S. Air Quality: A Synthesis of Climate Change Impacts on Ground-Level Ozone - An Interim Report of the U.S. EPA Global Change Research Program (Final Report)

Fri, 17 Apr 2009 05:00:00 GMT

EPA is announcing the release of the final report, Assessment of the Impacts of Global Change on Regional U.S. Air Quality: A Synthesis of Climate Change Impacts on Ground-Level Ozone An Interim Report of the U.S. EPA Global Change Research Program, prepared by the NCEA Global Change Research Program Staff. This report is intended for managers and scientists working on air quality to provide them with information on the potential effects of climate change on regional air quality in the United States.[Press Release Apr 17, 2009]

Publication: Overview Summary of Toxicological, Chemical, and Statistical Criteria for Defining Sufficient Similarity for Use in the Risk Assessment of Chemical Mixtures

Fri, 17 Apr 2009 05:00:00 GMT

EPA is announcing the availability of 6 recent publications referred to as, an Overview Summary of Toxicological, Chemical, and Statistical Criteria for Defining Sufficient Similarity for Use in the Risk Assessment of Chemical Mixtures . Through this summary they offer approaches for using existing toxicity data on a known mixture to assess potential health risks from exposure to another related mixture (e.g., from a similar type of treatment process or emissions source) for which adequate toxicity data are unavailable and may be difficult or expensive to generate.

Database: Physiological Parameters Database for PBPK Modeling (External Review Draft)

Thu, 16 Apr 2009 05:00:00 GMT

EPA is announcing a 30 day public comment period for the review of an ACCESS database file containing physiological parameter data intended to be suitable for application with PBPK modeling. EPA requests that interested users comment on the functionality or usability of this resource and provide comments that may be considered for improving the final product. [Federal Register Apr 16, 2009]

Publication: Estimation of Biota Sediment Accumulation Factor (BSAF) from Paired Observations of Chemical Concentrations in Biota and Sediment (Final Report)

Tue, 14 Apr 2009 05:00:00 GMT

EPA's Ecological Risk Assessment Support Center (ERASC) has released the final report entitled, Estimation of Biota Sediment Accumulation Factor (BSAF) from Paired Observations of Chemical Concentrations in Biota and Sediment. BSAF is a parameter describing bioaccumulation of sediment-associated organic compounds or metals into tissues of ecological receptors. The report provides information on methodologies to estimate BSAF for nonionic organic chemicals.

Notice: Draft Integrated Science Assessment for Carbon Monoxide: External Peer Review Meeting

Fri, 03 Apr 2009 05:00:00 GMT

EPA's Science Advisory Board (SAB) announced a public meeting of the Clean Air Scientific Advisory (CASAC) CO Review Panel to discuss the CO ISA (First External Review Draft). [Federal Register Apr 3, 2009]

Publication: Considerations for Developing a Dosimetry-Based Cumulative Risk Assessment Approach for Mixtures of Environmental Contaminants (Final Report)

Fri, 03 Apr 2009 05:00:00 GMT

EPA is annoucing the availability of the final report, Considerations for Developing a Dosimetry-Based Cumulative Risk Assessment Approach for Mixtures of Environmental Contaminants. This report describes a process that can be used to determine the potential value of developing physiologically based pharmacokinetic (PBPK) modeling to support a cumulative risk assessment.

Notice: IRIS Toxicological Review of Tetrachloroethylene (Perchloroethylene): Third External Peer Review Meeting

Tue, 24 Mar 2009 05:00:00 GMT

The National Academy of Sciences (NAS) will be hosting an external review meeting to discuss the IRIS Toxicological Review of Tetrachloroethylene (Perchloroethylene) (External Review Draft) report to be held Apr 2-3, 2009 in Irvine, CA.

Publication: Integrated Science Assessment for Carbon Monoxide (First External Review Draft)

Thu, 12 Mar 2009 05:00:00 GMT

EPA is announcing the release of the draft document, Integrated Science Assessment (ISA) for Carbon Monoxide (First External Review Draft) for public review and comment. [Federal Register March 12, 2009]

Notice: IRIS Toxicological Review of Halogenated Platinum Salts and Platinum Compounds (Platinum): Listening Session Announcement

Mon, 09 Mar 2009 05:00:00 GMT

EPA is announcing a listening session to be held on March 25, 2009, during the public comment period for the draft document entitled, Toxicological Review of Halogenated Platinum Salts and Platinum Compounds (Platinum): In Support of Summary Information on the Integrated Risk Information System (IRIS). [Federal Register Mar 9, 2009]

Notice: Draft Integrated Science Assessment for Particulate Matter: External Peer Review Meeting

Thu, 19 Feb 2009 05:00:00 GMT

EPA's Science Advisory Board (SAB) announced a public meeting of the Clean Air Scientific Advisory (CASAC) PM Review Panel to discuss the PM ISA (First External Review Draft). [Federal Register Feb 19, 2009]

Publication: IRIS Toxicological Review of Nitrobenzene (Final Report)

Fri, 06 Feb 2009 05:00:00 GMT

EPA is announcing the release of the final report, Toxicological Review of Nitrobenzene: In Support of Summary Information on the Integrated Risk Information System (IRIS). This includes a new Summary for Nitrobenzene and an accompanying toxicological review.

Publication: IRIS Toxicological Review of Halogenated Platinum Salts and Platinum Compounds (External Review Draft)

Thu, 05 Feb 2009 05:00:00 GMT

EPA announces the release of the draft document, Toxicological Review of Halogenated Platinum Salts and Platinum Compounds (Platinum), for public review and comment. [Federal Register Feb 5, 2009]

Notice: EPA's Toxicology and Risk Assessment Conference (Apr 27-30)

Sun, 01 Feb 2009 05:00:00 GMT

EPA is hosting the 2009 Toxicology and Risk Assessment Conference in West Chester, OH, April 27 - 30, 2009 with the theme "Toxicology and Risk Assessment from the Trenches." Registration (for the conference and hotel), directions and a draft agenda are now available.

Publication: Predicting Future Introductions of Nonindigenous Species to the Great Lakes (Final Report)

Mon, 05 Jan 2009 05:00:00 GMT

EPA has released a final report entitled, "Predicting Future Introductions of Nonindigenous Species to the Great Lakes." This report predicts the spread of aquatic nonindigenous species into the Great Lakes to help resource managers focus monitoring activities on particular species at the most vulnerable U.S. Great Lakes ports. The report also demonstrates the use of a habitat suitability model and ballast water discharge data to predict invasion potential.
[Federal Register Jan 5, 2009]

Notice: IRIS Toxicological Review of Tetrachloroethylene (Perchloroethylene): Second External Peer Review Meeting

Thu, 01 Jan 2009 05:00:00 GMT