Laws & Regulations

Search Air Permit Policy & Guidance Databases

Search the contents of the New Source Review, Title V Policy and Guidance Database and the Title V Petition Database

Clean Air Act Text

The Clean Air Act is the law that defines EPA's responsibilities for protecting and improving the nation's air quality and the stratospheric ozone layer. The last major change in the law, the Clean Air Act Amendments of 1990, enacted in 1990 by Congress.

Texas SIP: 30 TAC 115.112-115.119: Storage of Volatile Organic Compounds; SIP effective 2008.03.28 TXd89 to 2008.09.14

EPA Non-Regulatory Health-Based Drinking Water Levels

EPA Non-Regulatory Health-Based Drinking Water Levels - Find information on water contaminants' effects on human health, including advisory tables and documents and benchmarks for pesticides.

Supporting Materials: Final Revisions to the Lead and Copper Rule

LCR, drinking water, lead and copper, lead, final LCR

Concentrated Aquatic Animal Production Effluent Guidelines

Overview and documents for Concentrated Aquatic Animal Production (CAAP) Effluent Guidelines (40 CFR Part 451)

Textile Mills Effluent Guidelines

Overview and documents for the Textile Mills Effluent Guidelines and Standards (40 CFR Part 410)

TRI-Chemical Hazard Information Profiles (TRI-CHIP)

Access a downloadable Microsoft Access application containing toxicity information from multiple data sources for chemicals in the Toxics Release Inventory list.

Synthetic Minor NSR Permit: Anadarko Uintah Midstream, LLC - Antelope Flats & Sand Wash Compressor Stations with South Central Tank Battery

This page contains documents relevant to the synthetic minor NSR permi for the Anadarko Uintah Midstream, LLC, Antelope Flats & Sand Wash Compressor Stations with South Central Tank Battery, located on the Uintah and Ouray Indian Reservation.

Title V Operating Permit: WBI Energy Transmission, Inc. - Hardin Compressor Station

Title V Operating Permit for the WBI Energy Transmission, Inc., Hardin Compressor Station, located on the Crow Indian Reservation in Big Horn County, MT.

Minor NSR Permit: Deseret Power Electric Cooperative - Bonanza Power Plant

Minor NSR permit, response to public comments, and administrative record for the Deseret Generation and Transmission Cooperative Bonanza Power Plant, Uintah and Ouray Indian Reservation, Utah.

U.S. Great Lakes Areas of Concern Delisting Process

This document outlines the revised delisting process and supersedes the “Process to Complete Formal Delisting of an AOC” section of the 2001 document.

Canned and Preserved Fruits and Vegetables Effluent Guidelines

Regulations and support documents for the canned fruits and vegetables industry

Agricultural Worker Protection Standard (WPS)

EPA's Agricultural Worker Protection Standard (WPS) is aimed at reducing the risk of pesticide poisoning and injury among agricultural workers and pesticide handlers. It places specific requirements on employers of such workers.

Voluntary Incentive Measures in the California SIP

On June 30, 2021, EPA determined that information submitted by CARB is insufficient to demonstrate that Carl Moyer on-road heavy-duty diesel truck replacement and repower projects implemented pursuant to the South Coast Incentive Measure achieves goals.