Learn the Issues
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Municipal Solid Waste Landfills, Volume 1: Summary of Requirements for New Source Performance Standards and Emission Guidelines
Municipal Solid Waste Landfills, Volume 1: Summary of Requirements for New Source Performance Standards and Emission Guidelines for Solid Waste, EPA-453R/96-004
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Approved Air Quality Implementation Plans in Region 10
Landing page for information about EPA-approved air quality State Implementation Plans (SIPs), Tribal Implementation Plans (TIPs), and Federal Implementation Plans (FIPs) in Alaska, Idaho, Oregon, Washington.
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Pollution Prevention Works: A Storytelling Challenge for Students
This page provides an overview of the TRI Pollution Prevention Video Challenge.
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Region 10 Clean Water Act Section 319 Tribal Program Funding
Availability of Clean Water Act Section 319 Tribal program funding for Tribes in the Pacific Northwest and Alaska (EPA's Region 10).
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National Rivers and Streams Assessment 2018-19 Technical Support Document
PDF of the National Coastal Condition Assessment 2015 Technical Support Document.
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Ecoregional Results - National Wetland Condition Assessment 2021
Results for the National Lakes Assessment 2012, including key findings, national results, ecoregional results, and state highlights.
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Quarterly Meeting: Red Hill Community Representation Initiative
Joint meeting of the Red Hill Community Representation Initiative elected members and representatives of U.S. EPA, U.S. Navy, and Defense Logistics Agency.
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Energy and the Environment
Provides general information on energy resources and their environmental effects; how electricity is delivered and used; and related tools and EPA program links.
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Red Hill Community Representation Initiative
The Red Hill Community Representation Initiative independently represents the interests of the community and will review Red Hill information and provide input on decisions related to closure, defueling, and assuring safe drinking water.
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Reporting and Recordkeeping
EPA has issued a final rule under the AIM Act to phase down the production and import of hydrofluorocarbons (HFCs).
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Frequent Questions on the Phasedown of Hydrofluorocarbons
FAQ for HFC phasedown program
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Homeowners and Consumers: Frequently Asked Questions
Information to help homeowners make informed decisions when purchasing, servicing, or disposing of air conditioners or other equipment that could contain ozone-depleting substances.
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Sanitary Surveys for Recreational Waters
A sanitary survey is a tool that allows users to investigate the sources of pollution and conditions in a recreational water body. The EPA developed a free application to help waterbody managers conduct sanitary surveys and store their data.
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Public Notice: Clean Water Act (CWA) Section 401 Water Quality Certification for Discharges Related to U.S. Army Corps of Engineers Sacramento District Regional General Permit
Opportunity to comment on Clean Water Act (CWA) Section 401 Water Quality Certification for discharges related to the U.S. Army Corps of Engineers Sacramento District Regional General Permit.
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Region 10 Clean Water Act Section 106 Tribal Program Funding
Funding availability for EPA Region 10 Clean Water Act 106 Tribal Program.
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Water Quality Certifications on Tribal Lands in EPA's Pacific Southwest (Region 9)
This page provides information about EPA’s Clean Water Act (CWA) Section (§)401 water quality certifications on Tribal Lands of EPA's Pacific Southwest (Region 9).
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Lead
Learn about the health effects of lead, who is at risk, how to test for lead in paint or other areas of your home, how to find or become a lead-safe certified firm, and more about the Lead Renovation Repair and Painting (RRP) rule.
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What is the National Rivers and Streams Assessment?
The National Rivers and Streams Assessment (NRSA) is a statistical survey of the condition of our Nation’s rivers and streams.
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Natural Disasters and Underground Storage Tanks
Find resources for underground storage tank (UST) owners and operators to prepare for, prevent, or lessen catastrophic effects and environmental harm from natural disasters.
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Air Quality Resources for Tribes in Region 10
EPA resources for managing air-related environmental issues on tribal lands in Alaska, Idaho, Oregon, and Washington.