Laws & Regulations

Generic Chemical Rules for Stationary Sources of Air Pollution

This page contains the stationary sources of air pollution for the generic chemical rules industries, and their corresponding air pollution regulations.

Sulfur Dioxide (SO2) Emissions From Onshore Natural Gas Processing for Which Construction, Reconstruction, or Modification Commenced After January 20, 1984, and on or Before August 23, 2011: New Source Performance Standards (NSPS)

Learn more about the NSPS regulation for SO2 emissions from onshore natural gas processing by reading the rule history, rule summary, federal register notices and the code of federal regulations subpart

Public Hearing on EPA’s Proposed Amendments to the Bulk Gasoline Terminals NESHAP Review

public hearing registration

Supporting Materials for Final Amendments and Confidentiality Determinations for Electronics Manufacturing

Fact sheet about the final amendments and confidentiality determinations for Subpart I.

Marine Protection, Research and Sanctuaries Act Permits: Frequently Asked Questions

The disposition of material in the ocean cannot occur unless a permit is issued under the MPRSA. Information is provided about who needs a permit, marine protection criteria, types of MPRSA permits, and permit conditions.

CSAPR Compliance Year 2024 NUSA NODAs

This page contains links to NUSA Notices of Data Availability for the CSAPR 2023 compliance year.

Ground-level Ozone Pollution

Known as tropospheric or "ground-level" ozone, this gas is harmful to human heath and the environment. Since it forms from emissions of volatile organic compounds (VOCs) and nitrogen oxides (NOx), these pollutants are regulated under air quality standards.

Clean Air Power Sector Programs

Clean Air Power Programs & Data describes regulatory programs such as the Acid Rain Program and the Cross-State Air Pollution Rule to reduce air pollution from the power sector that contributes to human health and environmental issues.

GHGRP Events and Training

Listing of training opportunities, including live sessions, webinars, and archived presentations, related to the GHGRP.

Fact Sheet: Final Rule Determining Widespread use of Onboard Refueling Vapor Recovery and Waiver of Stage Two Requirements

Read the May 2012 factsheet on the rule that waived the requirement that current and former ozone nonattainment areas classified
Serious and above, implement Stage II vapor recovery systems on gasoline pumps.

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.