Laws & Regulations
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Oasis Mobile Home Park Safe Drinking Water Act Consent Decree, Torres Martinez Desert Cahuilla Indian Reservation in Thermal, California
On January 16, 2025, the U.S. Environmental Protection Agency (EPA) and the Department of Justice (DOJ) reached a settlement agreement with the operators of the Oasis Mobile Home Park (Park) for violations of the Safe Drinking Water at the Park (SDWA).
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2008 Ozone National Ambient Air Quality Standards (NAAQS) Nonattainment Actions
Read about the relevant nonattainment actions pertaining to the implementation of the 2008 Ozone NAAQS. Find the text of the rules, fact sheets, docket folders, and supporting documents.
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CAA Permitting in Virginia
Information on permitting in Virginia and EPA's oversight.
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Order Responding to October 4, 2001 Request for the Administrator to Object to King Finishing's Operating Permit
This document is part of the Title V Petition Database.
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SO2 Nonattainment Area SIP Requirements
States with areas designated "nonattainment" for sulfur dioxide (SO2), have specific requirements to include in their state implementation plans (SIPs).
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EPA Denial of Petition for Partial Waiver of the 2023 Cellulosic Biofuel Requirement
EPA denied a petition from the American Petrochemical & Fuel Manufacturers for a partial waiver of the 2023 cellulosic biofuel standard under the Renewable Fuel Standard.
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Clean Trucks Plan
EPA's Clean Trucks Plan will reduce greenhouse gas emissions and other harmful air pollutants from new medium- and heavy-duty trucks.
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Regulations for Smog, Soot, and Other Air Pollution from Commercial Trucks & Buses
Includes an overview of regulations, list of petitions and related regulations.
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Proposed Rule: Greenhouse Gas Emissions Standards for Heavy-Duty Vehicles – Phase 3
This page includes a summary of EPA’s proposed rule that would set more stringent standards to reduce greenhouse gas (GHG) emissions from heavy-duty (HD) vehicles beginning in model year (MY) 2027.
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2012 National Ambient Air Quality Standards (NAAQS) for Particulate Matter (PM)
learn more about the 2012 primary and secondary particulate matter National Ambient Air Quality Standards for PM2.5 and PM10 by reading the rule summary, rule history, and supporting documents
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Pueblo of Santa Ana CAA Treatment As A State Action Related Documents
The EPA is requesting comments from the public, on the Tribe's assertion of authority over the parcels indicated in the respective applications by the "Comment End Date".
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Tribal Minor NSR Facility Closure Form in EPA's South Central Region
This form should be used to notify the EPA Region 6 Federal Minor NSR Permit Program that an existing True Minor NSR or Synthetic Minor NSR Facility has been closed and decommissioned.
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R-1234yf MVAC Servicing Equipment Standards
EPA signed a rule to incorporate by reference 3 SAE standards for 1234yf for MVAC servicing equipment
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HCFC Allowance System
Overview of the HCFC allowance system, which provides flexibility for industry to operate efficiently while ensuring the United States meets its agreements under the Montreal Protocol.
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Final Rule 2020 HCFC Allocation
The last phaseout of HCFCs from 2020-2029
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EPA presentation on implementing the AIM Act of 2020
This is the EPA presentation from the stakeholder meeting held on February 25, 2021 on implementing the AIM Act of 2020.
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Phaseout Exemptions for Laboratory and Analytical Uses
Page provides an explanation of "laboratory use" exemptions to the phaseout.
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Technical Data and Reports on Particulate Matter (PM) Measurements and SIP Status
EPA collects data from the states and regions on their air quality, including levels of pollutants such as PM, and state implementation plan (SIP) progress. This information is compiled in a database, and used to create reports, trend charts, and maps.
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What is RCRA Reuse and Redevelopment?
The Resource Conservation Recovery Act (RCRA) program, comprised of EPA and its state partners, oversees almost 4,000 cleanups across the country.
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Approval for Managing PCB Wastes at US Ecology Idaho, Inc.
TSCA approval for commercial disposal of PCBs at the US Ecology Idaho, Inc. facility near Grand View, Idaho.