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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Rougemont, NC Celebrates New Water Supply System and End of 20 Years of Temporary Water Due to Petroleum Contamination
Learn about a $2.6 million water system project that connected 40 homes and small businesses to safe drinking water.
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Tribal Policy and Guidance
Find EPA policies and guidance on underground storage tanks (USTs) and leaking underground storage tanks (LUSTs) on tribal lands.
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Implementation Time Frames for 2015 Underground Storage Tank Requirements
Review compliance assistance designed to help UST owners and operators comply with the federal UST regulations.
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Report to Congress on a Compliance Plan for the Underground Storage Tank Program
Learn about identification of USTs that are not in compliance with Subtitle I of the Solid Waste Disposal Act or are in temporary closure, and determine the ownership of USTs not in compliance or in temporary closure
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UST System Compatibility with Petroleum-Biofuel Blends: A Brief Guide to the 2015 Federal UST Regulations for Owners and Operators of USTs Located on Tribal Lands
Review information for UST owners and operators on tribal lands with compatibility requirements in the 2015 federal UST regulation when storing gasoline blends containing greater than 10 percent ethanol or diesel blends containing greater than 20 percent.
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Course Outline and Key Points - Ozone
ozone & your patients' health Course Outline and Key Points
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NMP Draft Risk Evaluation Available for Public and Scientific Review
announcing that the NMP draft risk evaluation is available for public and scientific review
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What Are Probability Surveys?
The National Aquatic Resource Surveys (NARS) use probability-survey designs to assess the condition of the nation’s waters. In probability surveys (also known as sample-surveys or statistical surveys), sampling sites are selected randomly.
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National Lakes Assessment 2017 Infographics
National Lakes Assessment 2012 Iinfographics
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Risk Based Decision Making and Underground Storage Tanks (USTs)
Learn about risk-based decision-making (RBDM), a process to make decisions about underground storage tank (UST) release sites based on the risk each poses to human health and the environment.
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Documentation for EPA's Power Sector Modeling Platform v6 - November 2018 Reference Case
On this page you will find documentation about EPA’s Platform v6 assumptions, updates, changes, and enhancements, including the full support document as well as additional tables and attachments.
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Global Non-CO2 Greenhouse Gas Emission Projections & Mitigation Potential: 2015-2050
View the Global Non-CO2 Greenhouse Gas Emission Projections & Mitigation Potential: 2015-2050 report.
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Notice of Data Availability Relevant to the United States Hydrofluorocarbon Baselines and Mandatory Allocations
To alert stakeholders about the availability of data related to an upcoming hydrofluorocarbon (HFC) phasedown rule under the American Innovation and Manufacturing (AIM) Act of 2020.
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Soak Up the Rain: What's the Problem?
Why citizens and communities should soak up the rain with green infrastructure: to prevent water pollution, reduce flooding, protect water resources, beautify neighborhoods and other community benefits
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TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-19-0174
This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-19-0174.
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TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-19-0136
This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-19-0136.
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TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-17-0086
This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-17-0086.
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TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-17-0294
This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-17-0294.
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TSCA Section 5(a)(3)(C) Determination for Premanufacture Number (PMN) P-20-0041
This document describes EPA's pre-manufacture notice review determination under amended TSCA for P-20-0041.