Laws & Regulations
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Revised 608 Rule Fact Sheets
Fact sheets for specific stakeholders including appliance owners, refrigerant distributors, reclaimers, and technicians.
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Proposed Error Correction of the Designations for Areas in Texas
Error Correction of the Area Designations for the 2010 1-Hour Sulfur Dioxide (SO2) Primary National Ambient Air Quality Standard (NAAQS) in Freestone and Anderson Counties, Rusk and Panola Counties, and Titus County in Texas
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Proposed Action to Address Regional Haze - 2011
Proposed Action to Address Regional Haze - 2011
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Clean Air Act Title IV - Noise Pollution
This page has links to Clean Air Act section that covers Noise Pollution in title IV, and information about EPA's activities as well as frequent questions
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Setting Emissions Standards for Major Sources of Toxic Air Pollutants
This page describes the regulatory process EPA goes through to control hazardous or toxic air pollutants that can cause serious health problems.
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Unacceptable Substitute Refrigerants
This page contains a table of substitute refrigerant listed as unacceptable for use in variouss refrigeration and air conditioning end-uses.
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PRIA Glossary
Pesticide registration improvement extension act (PRIA 3) definition of terms glossary
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Generic Substitute Names Used in SNAP Listings
This page contains the generic names used prior to February 1996 as well as its associated trade name
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EPA Decides on Cleanup Plans for Seven Abandoned Uranium Mine Sites in Navajo Nation
EPA News Release: EPA Decides on Cleanup Plans for Seven Abandoned Uranium Mine Sites in Navajo Nation
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EPA Region 4 marks 15th anniversary of Deepwater Horizon oil spill
Regional Administrator McOmber and staff visit coastal restoration initiatives on the Gulf Coast
EPA News Release: EPA Region 4 marks 15th anniversary of Deepwater Horizon oil spill
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Region 1 Approved TMDLs by State
Listing of approved TMDLs for New England states.
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Subpart AA–Pulp and Paper Manufacturing
Details GHGRP rulemaking actions affecting Subpart AA of the program and provides links to relevant fact sheets, rulemaking documents, and other supporting materials.
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EPA Settlement Protects Buffalo Municipal Housing Authority Residents from Lead Paint
EPA News Release: EPA Settlement Protects Buffalo Municipal Housing Authority Residents from Lead Paint
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Specific Elements for Each of the Major SIP Types for Sulfur Dioxide (SO2)
Required elements differ depending on the type of state implementation plan (SIP).
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Synthetic Minor NSR Permit: Berry Petroleum Company - Section 23 Compressor Station
This page contains documents related to the synthetic minor NSR permit for the Berry Petroleum Company Section 23 Compressor Station, located on the Uintah and Ouray Indian Reservation in Uintah County, UT.
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Tribal Consultation and Coordination on EPA’s Proposal to Revise the Federal Water Quality Standards Regulation to Protect Tribal Reserved Rights
On November 28, 2022, the EPA issued a proposed rule to revise the water quality standards (WQS) regulation at 40 CFR 131 regarding how WQS must protect aquatic and aquatic-dependent resources reserved to tribes through treaties, statutes, executive ord...
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Withdrawal of the Proposed Rule Tribal Baseline Water Quality Standards
On December 20, 2024, the EPA Administrator signed the withdrawal of the proposed rule entitled “Federal Baseline Water Quality Standards for Indian Reservations,” which published in the Federal Register on May 5, 2023.
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Federal Human Health Criteria for Washington State Waters
On November 14, 2022, EPA signed a rule to restore the protective and science-based federal human health criteria (HHC) for the state of Washington’s waters.
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Summary of Seattle-Tacoma Puget Sound Area 8-Hour Ozone 110(a)(1) Maintenance Plan
Summary of the Seattle-Tacoma Puget Sound Area 8-hour ozone 110(a)(1) maintenance plan under the Washington air quality SIP.
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Summary of Wallula Particulate Matter (PM-10) Attainment Plan
Summary of the Wallula PM-10 attainment plan under the Washington air quality SIP.