Science & Technology
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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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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 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.
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Methane Challenge Commitment Options
Provides an overview of the commitment options for the Methane Challenge Program
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Bioassessment and Biocriteria Program Status for Florida: Streams and Wadeable Rivers
Biocriteria Program Status of Florida
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Bioassessment and Biocriteria Program Status for New Jersey: Streams and Wadeable Rivers
Biocriteria Program Status of Alabama
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Fish and Salinity in the San Francisco Estuary
This page provides access to a set of time-series maps for six fishes that live in the SF Estuary. Maps were produced to strengthen best available science that inform actions needed to improve protection for aquatic life.
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FIFRA Scientific Advisory Panel Meetings
A page presenting recent SAP meetings and associated meeting materials
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FIFRA Scientific Advisory Panel (SAP) Basic Information
A page describing the objective of the science advisory panel, panel formation process, panel members, and Science Review Board.
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Section 6: Likelihood of Release
Learn about the likelihood of Release (LR) factor category, which is evaluated based on the factors of observed release and potential to release.
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Water Utility Response On-The-Go Plus Mobile Application
Water utility emergency response tools
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Bottom Water Sampling for Sulfide
Managing the Quality of Environmental Data (78901)