Learn the Issues
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Tackling Emerging Contaminants (TEC)
The EPA’s Tackling Emerging Contaminants (TEC) Real Water Technical Assistance (RealWaterTA) assists small or disadvantaged communities assess in addressing emerging contaminants and PFAS in drinking water.
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Case Resolution Manual
Landing page for OECRC's Case Resolution Manual
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Cómo presentar una querella de discriminación
Cómo presentar una querella de discriminación
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EPA awards $1,687,013,000 to Florida for water infrastructure resiliency
EPA awards $1,687,013,000 to Florida for water infrastructure resiliency
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Risk Evaluation for Vinyl Chloride
EPA designated vinyl chloride as a high priority chemical in December 2023 and the chemical is currently undergoing risk evaluation.
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Risk Evaluation for Trans-1,2- Dichloroethylene
EPA designated trans-1,2- dichloroethylene as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Risk Evaluation for 1,1-Dichloroethane
EPA designated 1,1-dichloroethane as a high priority chemical in December 2019 and the chemical is currently undergoing risk evaluation.
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Section 4: Source Characterization
Learn about source characterization for Superfund sites. Although the Hazard Ranking System (HRS) is designed to score releases and sites, sources and areas of observed contamination play a crucial role in determining HRS pathway scores.
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Appendix B: Renewable Energy Technology Basics
Section 7 of 7 of the Re-Powering Mapper User Guide and Data Documentation. This section provides a brief overview of the renewable energy technology basics, giving the user more context regarding the different technologies that are shown in the mapper.
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5. Data Documentation for Mapping and Screening Criteria for Renewable Energy Generation Potential on EPA- And State-Tracked Sites
Section 5 of 7 of the Re-Powering Mapper User Guide and Data Documentation. This section provides information regarding the data used for the map, including screening criteria, policies, methodology, and dataset screening.
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Section 2: Site Assessment Process
Learn about the multi-step process leading to the final National Priorities List (NPL) listing decision, which begins when a site is discovered and listed in CERCLIS.
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1. Introduction to the RE-Powering Mapper
Section 1 of 7 of the Re-Powering Mapper User Guide and Data Documentation. This section introduces the Mapper User Guide, providing a brief overview of the tools functions.
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Section 1: Regulatory Context of the HRS
Learn about the regulatory context of the Hazard Ranking System (HRS), the primary tool that EPA uses to place sites on the National Priorities List (NPL).
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2020 National Emissions Inventory (NEI) Technical Support Document (TSD)
Explains the sources of information in the inventory; show what sources of data used for each sector; and provide more information about the components.
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Environmental Financial Advisory Board (EFAB) Meeting Materials - August 22-23, 2017
Materials for EFAB meeting.
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Environmental Financial Advisory Board (EFAB) Meeting Materials - February 20-21, 2018
Materials for EFAB meeting.
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Environmental Financial Advisory Board (EFAB) Meeting Materials - January 30, 2020
Materials for EFAB meeting.
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Environmental Financial Advisory Board (EFAB) Meeting Materials - April 20-21, 2021
Materials for EFAB meeting.
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Climate Change
Comprehensive information from U.S. EPA on issues of climate change, global warming, including climate change science, greenhouse gas emissions data, frequently asked questions, climate change impacts and adaptation, what EPA is doing, and what you can do.
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Tribal Contacts - Water Pollution Control Grants
Section 106 grants tribal contacts