Science & Technology
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Scientific Integrity
EPA's Scientific Integrity Policy promotes scientific and ethical standards, including quality standards; communications with the public; the use of peer review and advisory committees; and professional development.
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Exposure Assessment Resources (ExpoBox)
EPA's ExpoBox is a collection of tools to help risk assessors perform exposure assessments or risk characterizations using step-by-step instructions and provides links to all the latest EPA guides, databases, and models using a state-of-the-art database.
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Controlled Unclassified Information (CUI)
Provide information in regards to EPA's stance on safeguarding CUI.
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Ozone Watch
Ozone Watch
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IRIS Glossary
This page is designed for sites who want to extract the IRIS database.
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Other IRIS Program Materials
This page includes links to IRIS reports that were submitted to Congress, NRC and GAO.
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Revised IRIS Process Questions & Answers
These are the most recent frequently asked questions about the Integrated Risk Information System (IRIS).
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EPA Materials Submitted to the National Research Council
This is a 2-part report submitted to the National Research Council in response to a review of the EPA IRIS assessment development program. It includes the preamble to the assessment as well as a handbook for the development of new re-assessments.
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EPA's Approach for Assessing the Risks Associated with Chronic Exposure to Carcinogens
The purpose of this Background Document is to provide a framework to interpret the information presented in the Carcinogenicity Assessment Section of the IRIS chemical files.
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Mouse Lung Tumor Workshop (Jan 2014): Meeting Materials
These presentations were given by Jason Fritz, Eric Garshick, James Collins, Brigitte Gomperts and Daniel Krewski at the IRIS Mouse Lung Tumor Workshop on January 7-8, 2014.
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National Research Council Experts – October 2014
Today, EPA announced that the Integrated Risk Information System (IRIS) Program’s Bimonthly Public Science meetings will be supplemented with independent scientific experts identified by the National Academies’ National Research Council (NRC).
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Tribal Science Council: Research and Resources to Support Tribes
EPA-ORD collaborates with Tribes via the Tribal Science Council to understand and address priority science issues. The site provides both EPA and Tribal information and resources, including tools, products, and relevant research of interest to Tribes.
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EPA’s Portfolio of Human Health Science Assessments
This site provides human health science assessments and related resources. HHSAs are scientific documents that describe the impacts of environmental contaminants on human health.
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Exposure Assessment Tools by Approaches - Exposure Reconstruction (Biomonitoring and Reverse Dosimetry)
This page provides access to a compendium of exposure assessment and risk characterization tools that will present comprehensive step-by-step guidance and links to relevant exposure assessment data bases,
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Markov Chain Nest Productivity Model Estimating Tool Documentation
PDF versions of the User's Guide and the Technical Manual for the Markov Chain Nest Productivity Model (MCestimate).
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Total Risk Integrated Methodology (TRIM) - TRIM.FaTE
TRIM.FaTE is a spatially explicit, compartmental mass balance model that describes the movement and transformation of pollutants over time, through a user-defined, bounded system that includes both biotic and abiotic compartments.
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Frequent Questions
Frequently Asked Questions. Frequent Questions
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Methane Emissions from the Oil and Gas Sector
EPA’s Voluntary Methane Programs encourage oil and natural gas companies to adopt cost-effective technologies and practices that improve operational efficiency and reduce emissions of methane, a potent greenhouse gas.
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Methane Challenge Background - Best Management Practices (BMP) Commitment Option
Detailed information about Methane Challenge BMP commitment option to serve as reference for partner profile pages
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Turkmenistan Natural Gas STAR International Workshop
Presentations made during the Turkmenistan Natural Gas STAR International Workshop held on November 9, 2011 in Farmingham, New Mexico.