Laws & Regulations

Final Rule for Greenhouse Gas Emissions Standards and Fuel Efficiency Standards for Medium- and Heavy-Duty Engines and Vehicles

EPA and National Highway Traffic Safety
Administration (NHTSA) are each finalizing rules to establish a comprehensive Heavy-Duty National Program that will reduce greenhouse gas emissions and fuel consumption for onroad heavy-duty vehicles.

Implementation of Oil and Natural Gas Air Pollution Standards

EPA-Approved San Diego County Air District Regulations in the California SIP

EPA approved and compiled rules and regulations for the San Diego County Air Pollution Control District (APCD) portion of the California State Implementation Plan (SIP).

EPA-Approved Regulations for Maricopa County

EPA approved Air Regulations and Statutes for Maricopa County, Arizona.

EPA-Approved Eastern Kern County APCD Regulations in the California SIP

EPA approved and compiled rules and regulations for the Kern County Air Pollution Control District's (APCD) portion of the California State Implementation Plan (SIP).

Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act

This document is part of the Title V Policy and Guidance Database

Order Responding to 2015 Petition to Object to Tennessee Valley Authority Bull Run Operating Permit

This document is part of the Title V Petition Database.

2016 Petition Requesting the Administrator Object to Title V Permit for AK Steel Dearborn Works

This document is part of the Title V Petition Database.

2013 Petition Requesting the Administrator Object to Title V Permit for Appleton Coated, LLC Plant

This document is part of the Title V Petition Database.

Permit Documents for the Braintree Electric Light Department (BELD), Braintree, MA (Thomas A. Watson Generating Station PSD Permit)

FACT SHEET - Amendments to the Standards of Performance for New Stationary Compression Ignition Engines Located in Remote Areas of Alaska

Amendments to the Standards of Performance for New Stationary Compression Ignition Engines Located in Remote Areas of Alaska

FACT SHEET: Final Air Toxics Standards

Fact sheet describing the final air toxics standards for spark ignition reciprocating internal combustion engines.

FACT SHEET: Reconsideration of Final Standards

Fact sheet with information about the reconsideration of final standards for stationary RICE.

FACT SHEET: Proposed Standards of Performance

This fact sheet contains information about the proposed standards of performance for stationary compression ignition internal combustion engines.

Performance Specification 7 for Hydrogen Sulfide

Performance Specification 7 - Specifications and Test Procedures For Hydrogen Sulfide Continuous Emission Monitoring Systems In Stationary Sources

Withdrawal of the Approval of Broadly Applicable Alternate Test Methods ALT-125 and ALT-127

Withdrawal of Broadly Applicable Alternate Test Methods ALT-125 and ALT-127 statement and links.

Combustion Control Device Models That Have Been tested by the Manufacturer

This document is a list of combustion control device models that have been tested by the manufacturer. It is updated periodically.

Questions and Answers for Stationary Engines

This page contains question and answer documents for the stationary engines rules.

FACT SHEET: Proposed Rule to Reduce Toxic Air Emissions

Fact sheet describing the proposed requirements to reduce emissions from reciprocating internal combustion engines.

How to Participate: Testing the Hazardous Waste Electronic Manifest System (e-Manifest)

This page explains options for stakeholders like TSDFs and generators who wish to contribute to the discussion about the development of e-manifest. Directions are provided here to help the stakeholders test and provide feedback on the system.