Laws & Regulations

Rule 22 Final Rule Notice

This final action modifies the use conditions required for use of three flammable refrigerants.

Environmental, Health, and Flammability Info on Substitutes for HCFC-22 and 142b

Final Rule (signed September 26, 2016)

New Listings of Substitutes; Changes of Listing Status; and Reinterpretation of Unacceptability for Closed Cell Foam Products under the SNAP Program; and Revision of Clean Air Act Section 608 Venting Prohibition for Propane.

Fact Sheet: Final Rule 25 - Listing of Substitutes under the Significant New Alternatives Policy Program in Refrigeration, Air Conditioning, and Fire Suppression

Section 612 provides that EPA must prohibit the use of a substitute where EPA has determined that there are other available or potentially available substitutes that pose less overall risk to human health and the environment.

Stationary Sources of Air Pollution

This web area catalogs emissions requirements for stationary sources of air pollution by categories recognized by the Clean Air Act.

Emissions Trading

Learn about emissions trading programs, also known as cap and trade programs, which are market-based policy tools for protecting human health and the environment by controlling emissions from a group of sources.

Implementation of Oil and Natural Gas Air Pollution Standards

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.

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.

Guidance and Tools for Implementing Stationary Engine Requirements

This page offers links to documents that will provide guidance on implemeneting the stationary engines rules.

FACT SHEET: Amendments to Final Standards

Fact sheet describing a direct final and parallel proposal issued by the EPA for air toxics standards for RICE.

FACT SHEET: Proposed Amendments to the Standards for Performance for Stationary Compression Ignition Internal Combustion Engines

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

Frequently Asked Questions: Area Sources in the Chemical Manufacturing Industry

Fact sheet on the national air toxics standards issued October 16, 2009 by the Environmental Protection Agency (EPA) for smaller-emitting sources, known as area sources, in the chemical manufacturing industry.

Supporting Materials for Revisions to Reporting and Recordkeeping Requirements, and Confidentiality Determinations under the Greenhouse Gas Reporting Program

2015 Inputs Rule Factsheet

Supporting Materials for 2014 Revisions and Confidentiality Determinations for Petroleum and Natural Gas Systems

Greenhouse Gas Reporting Rule Revisions and Confidentiality Determinations for Petroleum and Natural Gas Systems