Learn the Issues
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Long Term Monitoring / Temporally Integrated Monitoring of Ecosystems
Learn about how EPA uses Long Term Monitoring (LTM) and Temporily Integrated Monitoring of Ecosystems (TIME) to track the effect of the Clean Air Act Amendments on acidity of surface waters in the eastern U.S.
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Public Forum Addressing GHG Emissions from Existing Natural Gas-Fired Power Plants
information and registration link for public policy forum
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Proposed Technical Revisions and Clarifications to National Emission Standards for Hazardous Air Pollutants: Municipal Solid Waste Landfills Residual Risk and Technology Review
Information related to the final amendments to the MSW NESHAP
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Final Amendment to the National Emission Standards for Hazardous Air Pollutants for Phosphoric Acid Manufacturing
Final amendment to the Air Toxics Standards for Phosphoric Acid Manufacturing
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Proposed Amendment to the National Emission Standards for Hazardous Air Pollutants for Phosphoric Acid Manufacturing
Proposed amendment to the Air Toxics Standards for Phosphoric Acid Manufacturing
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Controlling Hazardous Air Pollutants
Description of the 2-phase approach to controlling air toxics.
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Reducing Emissions of Hazardous Air Pollutants
What progress has EPA made in reducing toxic emissions?
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Greenhouse Gas Emissions Estimation Methodologies for Biogenic Emissions from Selected Source Categories
Greenhouse Gas Emissions Estimation Methodologies for Biogenic Emissions from Selected Source Categories
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Basic Information of Air Emissions Factors and Quantification
This page includes basic information about air emissions factors and the Compilation of Air Pollutant Emission Factors, AP-42.
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Air Quality Management Plan Launch Event Agenda Template
Air Quality Management Plan Launch Event Agenda Template Subpage for Megacities
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How to Become a GreenChill Certified Store
GreenChill's Store Certification Program for Food Retailers recognizes individual stores for using environmentally friendlier commercial refrigeration systems.
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UV Radiation
June 2010 fact sheet explaining the types of ultraviolet radiation and the various factors that can affect the levels reaching the Earth's surface.
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Exploring Estuaries: Glossary
Glossary of terms related to estuaries.
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Exploring Estuaries: What Challenges Do Our Estuaries Face?
An overview of the kinds of challenges faced by estuaries such as nutrient pollution, pathogens, toxic chemicals, habitat loss, invasive species, and water flow changes.
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Fact Sheet: Protection of Stratospheric Ozone: Determination 31 for Significant New Alternatives Policy Program
Under section 612 of the Clean Air Act, EPA reviews substitutes within a comparative risk framework.
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EnviroSafe Finding of Violation
This document outlines the U.S. Environmental Protection Agency reissuing an enclosed Finding of Violation (FOV) to Enviro-Safe Refrigerants, Inc. (you). We find that you have violated the Clean Air Act, 42 U.S.C. § 7413(a) (the CAA).
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Carbon Dioxide as a Fire Suppressant: Examining the Risks: Appendices
Appendices for the Carbon Dioxide as a Fire Suppressant: Examining the Risks comprehensive data review.
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Navajo Nation Abandoned Uranium Mines: Legal Documents and Settlements
Legal documents and settlements related to Navajo Nation Abandoned Uranium Mines.
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Metrics for Waste Reduction
When monitering and evaluating a waste reduction program, it is important to establish a consistent set of metrics and procedures for collecting data.
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Washington School Food Share Program Toolkit
This toolkit was developed to allow schools and food banks to work together to collect whole and packaged cafeteria leftovers and share them within their community.