Laws & Regulations

National Emission Standards for Hazardous Air Pollutants for Reciprocating Internal Combustion Engines

Current regulations and regulatory timeline for National Emission Standards for Hazardous Air Pollutants (NESHAP) for Reciprocating Internal Combustion Engines (RICE)

Applications for Critical Use Exemptions of Methyl Bromide

Page provides links to forms for applying for critical use exemptions for methyl bromide.

PRIA Glossary

Pesticide registration improvement extension act (PRIA 3) definition of terms glossary

Subpart N Information Sheet

Infosheet for the glass production source category.

Power Sector Modeling Platform v.5.13

Learn more about EPA's Power Sector Modeling Platform v.5.13, associated data assumptions, and file documentation.

Power Sector Modeling Platform v.5.14

Learn about EPA’s Base Case v.5.14, including documentation, results, and the National Electric Energy Data System (NEEDS) database.

IPM Analysis of the Proposed Mercury and Air Toxics Standards (MATS)

Learn about EPA's analysis of the impact of the proposed Toxics Rule on the U.S. electric power sector using version 4.10_PTox of the Integrated Planning Model (IPM).

IPM Analysis of the Final Mercury and Air Toxics Standards (MATS)

EPA used version 4.10_MATS of the Integrated Planning Model (IPM) to analyze the impact of the Mercury and Air Toxics Standards (MATS) rule on the U.S. electric power sector. Learn about the results and view links to documentation.

IPM Analysis of the Proposed Transport Rule (CSAPR)

Learn about how EPA used Integrated Planning Models (IPM) to analyse the effects of the proposed Cross-State Air Pollution Rule (CSAPR), also known as the Transport Rule.

Final Determinations of Attainment by the Attainment Date, Extensions of the Attainment Date, and Reclassification of Several Areas Classified as Marginal for the 2015 Ozone Air Quality Standards

EPA issued final actions for 28 nonattainment areas classified as Moderate for the 2015 ozone National Ambient Air Quality Standards (NAAQS). The areas were required to attain the standards by July 20, 2021.

Final Miscellaneous Organic Chemical Manufacturing Risk and Technology Review

air toxics standards, risk and technology review, final rule

Proposed Risk and Technology Review Amendments to Air Toxics Standards for Carbon Black Manufacturing Production

summary fact sheet

List of Laboratories Approved by EPA for the Third and Fourth Unregulated Contaminant Monitoring Rule (UCMR 3 and UCMR 4)

These documents identify laboratories that were approved to support the third and fourth Unregulated Contaminant Monitoring Rules (UCMR 3 and UCMR 4).

Williams Four Corners Oil and Gas FIP on Jicarilla Apache Tribal Lands

FIP True Minor Source in Indian Country in the Oil and Gas Sector

Final Rule - National Emission Standards for Hazardous Air Pollutants: Coal- and Oil-Fired Electric Utility Steam Generating Units Review of the Residual Risk and Technology Review

final rule and summary fact sheet

Proposed Technical Revisions and Clarifications to National Emission Standards for Hazardous Air Pollutants: Municipal Solid Waste Landfills Residual Risk and Technology Review

Information related to the final amendments to the MSW NESHAP