Laws & Regulations

Cross-State Air Pollution Final and Proposed Rules

Final and Proposed rules for the Cross-State Air Pollution rule including regulatory actions and supporting documentation.

Potential GNP EGU Allowance Auction Rule

EPA is considering a proposed rulemaking that would add an allowance auction mechanism for power plants to the CSAPR NOX Ozone Season Group 3 trading program under the Good Neighbor Plan (GNP) for the 2015 Ozone NAAQS.

States that are Affected by the Cross-State Air Pollution Rule (CSAPR)

This table contains information regarding different states' emissions requirements for the Cross-State Air Pollution Rule.

Responses to 40 CFR Part 75 Petitions - 2015

Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2015.

Responses to 40 CFR Part 75 Petitions - 2010

Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2010.

Responses to 40 CFR Part 75 Petitions - 2007

Find responses to petitions submitted by affected units subject to 40 CFR Part 75 in 2007.

2013 SO2 Allowance Auction

Learn the results of EPA's 2013 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

2003 SO2 Allowance Auction

Learn the results of EPA's 2003 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

2000 SO2 Allowance Auction

Learn the results of EPA's 2000 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

2004 SO2 Allowance Auction

Learn the results of EPA's 2004 Acid Rain Program sulfur dioxide (SO2) allowance auction results.

How to Cite This Source

This page will help users cite the information they find on the Acid Rain website.

Acid Rain Program 2021 Applicability Determinations

View EPA's formal responses to written requests for applicability determinations under 40 CFR 72.6 from 2021.

Kinder Morgan CCS Complex

MRV Plan and Decision for Kinder Morgan CCS Complex

2015 Revision to 2008 Ozone National Ambient Air Quality Standards (NAAQS) Related Documents

Find tools for background ozone, maps of nonattainment areas, an overview of the proposal, and information on designations, monitoring and permitting requirements and a presentation on the 2015 ozone NAAQS revision.

Final Rule to Reduce Toxic Air Pollutants from Surface Coating of Metal Furniture Fact Sheet

This page contains a March 2003 fact sheet with information regarding the NESHAP for Surface Coating of Metal Furniture. This document provides a summary of the information for this NESHAP.

Flow Charts for Determining Your Requirements: Nine Metal Fabrication and Finishing Source Categories Area Sources National Emission Standards for Hazardous Air Pollutants (NESHAP) Subpart XXXXXX

This page contains a July 2008 document that has flow charts to help determine if this National Emission Standards for Hazardous Air Pollutants (NESHAP) rule for Nine metal Fabrication and Finishing Area Source Categories applies to your facility.

Final Air Toxics Standards for Clay Ceramics Manufacturing, Glass Manufacturing, and Secondary Nonferrous Metals Processing Area Sources Fact Sheet

This page contains a December 2007 fact sheet with information regarding the National Emissions Standards for Hazardous Air Pollutants (NESHAP) for Clay Ceramics Manufacturing, Glass Manufacturing, and Secondary Nonferrous Metals Processing Area Sources