Learn the Issues
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Federal Partner Resources on Emergencies and Indoor Air Quality
Additional emergency and indoor air quality resources from other EPA offices and other Federal Government agencies.
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Hazardous Air Pollutants: Sources and Exposure
Where do hazardous air pollutants come from and how are people exposed
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Cedar Valley Recycling & Transfer Co. - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment in the form of an Expedited Settlement Agreement (“ESA”) against Cedar Valley Recycling & Transfer Co., for alleged violations at the Waterloo, Iowa facility.
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Alter Trading Corporation d.b.a. Alter Metal Recycling - Clean Water Act Public Notice
The EPA is providing notice of a proposed Administrative Penalty Assessment against Alter Trading Corporation d.b.a. Alter Metal Recycling (“Respondent") for alleged violations of the CWA associated with industrial activity at facilities located at 3440 Ea
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Consolidated Assessment and Listing Methodology (CALM)
Consolidated Assessment and Listing Methodology (CALM)
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Guidelines for Preparation of the Comprehensive State Water Quality Assessments (305(b) Reports) and Electronic Updates (1997)
Guidelines for Preparation of the Comprehensive State Water Quality Assessments (305(b) Reports) and Electronic Updates (1997)
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Executive Summary: 1992 National Water Quality Inventory Report to Congress
Executive Summary - 1992 National Water Quality Inventory Report to Congress
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Knowing Our Waters: Tribal Reporting Under 305(b)
Knowing Our Waters: Tribal Reporting Under 305(b)
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1996 National Water Quality Inventory Report to Congress
1996 National Water Quality Inventory Report to Congress
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1994 National Water Quality Inventory Report to Congress
1994 National Water Quality Inventory Report to Congress
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2002 National Water Quality Inventory Report to Congress
2002 National Water Quality Inventory Report to Congress
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Assessing and Reporting Water Quality (Questions and Answers)
Assessing and Reporting Water Quality (Questions and Answers)
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2004 National Water Quality Inventory Report to Congress
2004 National Water Quality Inventory Report to Congress
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1998 National Water Quality Inventory Report to Congress
1998 National Water Quality Inventory Report to Congress
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Where can I find information for woodstove certifications, testing results, and other household wood combustion topics?
The correct website for this information is available via EPA’s Certified Wood Heater Database, which is part of the EPA Office of Compliance. If the information is not available on that web site, please use that page’s Contact Us to submit any further questions. In addition, to learn more about…
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EnviroAtlas Publications
The research supporting EnviroAtlas is documented through publications and posters. In addition, find guidance on citing EnviroAtlas.
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NPDES Permits for Certain Point Source Discharges of Pollutants that Travel Through Groundwater to Surface Waters
EPA has issued an Interpretative Statement about NPDES applicability to pollutant releases from a point source to groundwater that subsequently migrate to jurisdictional surface waters.
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Combined Sewer Overflow Control Policy
Overview of combined sewer overflows (CSO), guidance, and policies.
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EPA Clears Backlog of Chemical Risk Notifications, Ensuring Public Health Protections and Increasing Transparency
EPA is announcing the elimination of an extensive backlog of notifications received under TSCA Section 8(e) from companies regarding chemical risks that needed review and routing across the agency.
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Highly Pathogenic Avian Influenza
This web page provides key EPA resources and other links of interest on the outbreak of the Highly Pathogenic Avian Influenza A (H5N1).