Learn the Issues
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RFC 23002 & RFR 23002A - Toxic Substances Control Act (TSCA) Risk Evaluation for 1,4-Dioxane
Request for Correction (RFC) received on behalf of American Cleaning Institute and American Chemistry Council
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Basic Information about Wetland Restoration and Protection
This contains basic information on wetland restoration and protection activities and is a landing page for other restoration resources.
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Basic Information about Voluntary Wetland Restoration and Protection
Landing page for Voluntary Wetland Restoration and Protection.
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EPA's Principles of Scientific Integrity
Outline of the EPA's scientific integrity policy.
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Tribal Water and Natural Resources Conservation Guide
Landing page for the new Tribal Water and Natural Resources Conservation Guide
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Clean School Bus Rebates: Close Out Form
This webpage provides information on the Close Out Form for clean school buses.
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Clean School Bus Rebates: Payment Request Form
This webpage provides information on the payment request form to be used by selectees that were awarded funding and now want to request a rebate payment for new replacement buses and related electric bus charging infrastructure.
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Task Force Partnerships
This page describes information about HTF partnerships.
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SFTF Report: Recommendation 20 Findings - Third Party Oversight of Aspects of PRP-lead Cleanups
Memorandum outlining findings and recommendations for task force recommendation 20 on oversight of PRP-lead cleanups
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U.S. Government GMI Accomplishments: 2016 Annual Report
The U.S. Government’s Global Methane Initiative Accomplishments report 2016
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U.S. Government’s International Methane Mitigation Activities: 2021 Accomplishments
The U.S. Government’s Global Methane Initiative Accomplishments ANNUAL REPORT (2021)
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U.S. Government’s International Methane Mitigation Activities: 2020 Accomplishments
The U.S. Government’s Global Methane Initiative Accomplishments ANNUAL REPORT (2020)
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Ruckelshaus Takes Steps to Improve Flow of Agency Information [Fishbowl Policy]
This is a memorandum signed by Administrator Ruckelshaus.
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LaPlace, Louisiana - Background Information
Information about chloroprene and the Denka Performance Elastomer facility
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U.S. Court of Appeals—D.C. Circuit Upholds EPA's Action to Reduce Greenhouse Gases under the Clean Air Act
View greenhouse gas court decisions.
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Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2019
View or download the Inventory of U.S. Greenhouse Gas Emissions and Sinks: 1990-2019, including individual chapters and annexes.
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How are Oxides of Nitrogen (NOx) defined in the NEI?
For all source categories, NOx is compiled from emissions measurements that express NOx mass based on the molecular weight of nitrogen dioxide (NO2), which is 46. Even though emission streams initially consist mainly of NO from most sources, this expression of NOx by NO2 MW is appropriate due to the…
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Small Entity Compliance Guide for Area Source Boilers: National Emission Standards for Hazardous Air Pollutants for Area Sources: Industrial, Commercial, and Institutional Boilers
Small Entity Compliance Guide for Area Source Boilers: National Emission Standards for Hazardous Air Pollutants for Area Sources: Industrial, Commercial, and Institutional Boilers
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Cross Border Contingency Plans for U.S.-Mexico Sister Cities
Agreements between US and Mexico sister cities regarding response in the event of hazardous material emergency.
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Class I Redesignation
Re-designation is one of the tools available to tribes (and states) under the CAA to afford special protection to air quality.