Laws & Regulations
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Proposed Stormwater Permit for City of Tacoma in Washington
Public notice for EPA's proposed issuance of an NPDES stormwater permit for the city of Tacoma MS4 outfall located on the Puyallup Reservation in Washington.
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Draft NPDES Stormwater Permit for City of Tacoma MS4 in Washington
EPA's draft NPDES stormwater permit for the City of Tacoma MS4 in Washington.
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Clean Air Act Permitting System (CAAPS)
Webpage that describes EPA's Clean Air Act Permitting System (CAAPS). It lists what it is and how users and enter and search air permit data.
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RACT/BACT/LAER Clearinghouse (RBLC) Related Resources
RBLC Products include User's Manuals, Annual Reports, Data Input Form and the RBLC Standalone Editor (Software for off-line data entry).
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Preventing Wasted Food At Home
Discusses the benefits of reducing food waste and its impact on the environment
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Build America, Buy America (BABA) Act Waivers Open for Public Comment
Information about the Build America, Buy America Act Waivers and Waiver Process
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RACT/BACT/LAER Clearinghouse (RBLC)
Main page for the RACT/BACT/LAER Clearinghouse. Includes information about search tools, reports and regional contacts.
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Clean Air Technology Center
The Clean Air Technology Center provides resources for emerging and existing air pollution prevention and control technologies and provides public access to data and information on their use, effectiveness and cost.
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2 Code of Federal Regulations (CFR) 200, Uniform Grants Regulations for Managing Federal Grants
The EPA has adopted the Office of Management and Budget (OMB) Uniform Grants Regulations for Managing Federal Grants, commonly known as 2 CFR Part 200. These regulations provide federal agencies with a government-wide regulatory framework for overall grant
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ASAP Overview - May 27, 2026
The EPA Office of the Chief Grants Officer (OCGO) will partner with the Research Triangle Park Finance Division to provide a high-level overview of the Automated Standard Application for Payments (ASAP) system.
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Regulations for Greenhouse Gas (GHG) Emissions
This page provides links to GHG regulations.
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Organic Gas Speciation Profile for Aircraft
EPA regulations related to nitrogen oxide air pollution from aircraft.
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Emissions Modification for Generation 1.2 SUV of the 3.0 Liter Subject Vehicles
Letter from EPA and CARB approving defendants' (VW) proposed emissions modifications: for Generation 1.2 SUV of the 3.0 Liter VW Touareg and Audi Q7 Diesel Vehicles. (July 13, 2018)
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EPA's Fuel Programs Mailing Addresses
All registration paperwork and paper reports should be sent to one of these addresses.
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Public Data on Gasoline Fuel Quality Properties
This application provides data on gasoline fuel properties and how they have been trending over time due to both EPA standards and shifts in market dynamics.
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Final Renewable Fuels Standards Rule for 2023, 2024, and 2025
EPA finalizes volume requirements and percentage standards under the Renewable Fuel Standard (RFS) program for 2023, 2024, and 2025.
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June 2022 Denial of Petitions for RFS Small Refinery Exemptions
EPA denies all pending small refinery exemptions (SRE) petitions under the Renewable Fuel Standard (RFS) program.
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Diesel Fuel Standards
Information about diesel fuel programs including regulations that significantly reduce the sulfur content of diesel fuel.
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Combining Data into Complete eMotor ALPHA Maps
The National Center for Advanced Technology (NCAT), part of the National Vehicle and Fuel Emissions Laboratory (NVFEL), assesses the effectiveness of advanced low emission and low fuel consumption technologies for a broad range of electric motors (eMotor).
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Open Data Plan
EPA's Open Data Plan describes how EPA makes available and shares data as required by the OPEN Government Data Act.