Learn the Issues
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Emergency Planning and Community Right-to-Know Act Frequent Questions
Frequent questions about Emergency Planning and Community Right-to-Know Act (EPCRA);
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Insurance for USTs
Insurance and state funds are the most common mechanisms used by owners and operators to comply with financial responsibility requirements for underground storage tanks (USTs).
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Tijuana River Watershed - Working with Mexico
USMCA provisions
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2019 Emissions Modeling Platform Technical Support Document
This document describes how the emission inventories were prepared for air quality modeling by the U.S. Environmental Protection Agency (EPA) for criteria air pollutants to represent the year of 2019.
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Water Quality Standards Regulations: Florida
Information related to Florida WQS.
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Releases from Underground Storage Tanks
Learn about cleaning up releases from underground storage tanks.
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Guiding Principles for Monte Carlo Analysis
EPA's 1997 policy for using Monte Carlo analysis for analyzing variability and uncertainty in risk assessments.
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Guidelines for Developmental Toxicity Risk Assessment
1991 issuing of final amended guidelines for assessing the risks for developmental toxicity from exposure to environmental agents.
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Documents for Recommended Toxicity Equivalency Factors for Human Health Risk Assessments of Dioxin and Dioxin-Like Compounds
This document describes the U.S. Environmental Protection Agency’s (U.S. EPA’s) updated approach for evaluating the human health risks from exposures to environmental media containing dioxin-like compounds (DLCs).
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Policy for Use of Probabilistic Analysis in Risk Assessment at EPA
This policy and the guiding principles attached are designed to support the use of various techniques for characterizing variability and uncertainty.
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Guidelines for the Health Risk Assessment of Chemical Mixtures
1986 procedural guide for evaluating data on the health risks from exposures to chemical mixtures.
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Guidelines for Carcinogen Risk Assessment
The Guidelines for Carcinogen Risk Assessment provide EPA staff with guidance for developing and using risk assessments. They also provide basic information to the public about the Agency's risk assessment methods.
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Guidelines for Ecological Risk Assessment
1998 guidelines are provided to improve the quality and consistency of EPA's ecological risk assessments.
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Guidelines for Reproductive Toxicity Risk Assessment
These guidelines discuss the scientific basis for concern about exposure to agents that cause reproductive toxicity and describe the principles and procedures to be followed in conducting risk assessments for reproductive toxicity.
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Guidelines for Mutagenicity Risk Assessment
Guide the Agency analysis of mutagenicity data in line with the policies and procedures established in the statutes administered by EPA.
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Guidance on Selecting Age Groups for Monitoring and Assessing Childhood Exposures to Environmental Contaminants
This document recommends a set of age groupings based on current understanding of differences in lifestage behavior and anatomy and physiology that can serve as a starting set for consideration by Agency risk assessors and researchers.
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Guidelines for Neurotoxicity Risk Assessment
These Guidelines set forth principles and procedures to guide EPA scientists in evaluating environmental contaminants that may pose neurotoxic risks, and inform Agency decision makers and the public about these procedures.
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Framework for Ecological Risk Assessment
This is the first step in a long-term effort to develop risk assessment guidelines for ecological effects. Its primary purpose is to offer a simple, flexible structure for conducting and evaluating ecological risk assessment within EPA.
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Framework for Human Health Risk Assessment to Inform Decision Making
The purpose of this document is to describe a Framework for conducting human health risk assessments that are responsive to the needs of decision‐making processes in the U.S. Environmental Protection Agency (EPA).
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Integrating Ecological Assessment and Decision-Making at EPA: A Path Forward - Results of a Colloquium in Response to Science Advisory Board and National Research Council Recommendations
This report was prepared by a Technical Panel of EPA’s Risk Assessment Forum to document an Intra-Agency Colloquium of ecological assessors.