Documents

Air Plan Approval; ID; Regional Haze Plan for the Second Implementation Period

Federal Register · Rule · Sep 5, 2025

This action addresses the Clean Air Act visibility protection requirements of sections 169A and 169B, not the Clean Air Act's health-based air quality standards, such as the national ambient air quality … See Clean Air Act 169A(b)(2).

National Emission Standards for Hazardous Air Pollutants: National Perchloroethylene Air Emission Standards for Dry Cleaning Facilities Technology Review

Federal Register · Rule · Jan 7, 2025

A summary of all other public comments on the proposal and the EPA's responses to those comments is available in the Response to Comments National Perchloroethylene Air Emissions Standards for Dry Cleaning … The EPA addressed the results of the TR for the PCE Dry Cleaning NESHAP in accordance with section 112(d)(6) of the Clean Air Act (CAA).

Air Plan Approval; Ohio; Volatile Organic Compounds RFD Beaufort

Federal Register · Rule · Mar 23, 2026

During the comment period, the EPA received comments from one commenter regarding the Regulatory Flexibility Act (RFA), the Paperwork Reduction Act (PRA) and materials incorporated by reference. … Statutory and Executive Order Reviews Under the Clean Air Act, the Administrator is required to approve a SIP submission that complies with the provisions of the Clean Air Act and applicable Federal

Approval and Promulgation of Air Quality Implementation Plans; Commonwealth of Pennsylvania; Control of Volatile Organic Compounds From Solvent Cleaning Operations

Federal Register · Rule · Jan 16, 2003

The Clean Air Act requires that a state provide for public comment and hearing on a proposed SIP revision. … Findings (2): “A public comment period was provided as required by law and all comments were considered.” (31 Pa. B. 6926, December 22, 2001).

Science Advisory Board Staff Office; Notification of an Upcoming Meeting of the Ecological Effects Subcommittee of the Advisory Council on Clean Air Compliance Analysis

Federal Register · Notice · Oct 14, 2004

Clean Air Act. … EPA has thus far issued one retrospective analysis of the Clean Air Act covering the 1970-1990 time period and one prospective analysis covering the 1990-2010 time period.

Protection of Stratospheric Ozone

Federal Register · Rule · Jun 11, 1996

procedures of section 307(d) of the Clean Air Act. … procedures of Clean Air Act section 307(d).

Approval and Promulgation of Implementation Plans: Alaska

Federal Register · Rule · Jun 20, 2001

These revisions were submitted for the purposes of complying with section 110 of the Clean Air Act. … Air Act.

Standards for Air Curtain Incinerators That Only Burn Wood Wastes, Yard Wastes and Clean Lumber; Provision for Commercial and Industrial Solid Waste Incineration Units: Temporary Use Incinerators and Air Curtain Incinerators Used in Disaster Recovery

Federal Register · Proposed Rule · Mar 20, 2026

ACTION: Proposed rule; request for comment. SUMMARY: The U.S. Environmental Protection Agency (EPA) is proposing two separate and distinct actions under Clean Air Act (CAA) section 129. … Pursuant to Clean Air Act (CAA) section 129(g)(1)(C), the EPA has previously established in various CAA section 129 regulations opacity limitations and associated monitoring and recordkeeping requirements

Draft Integrated Science Assessment for Sulfur Oxides Health Criteria

Federal Register · Notice · Sep 28, 2007

Information About the Document Section 108(a) of the Clean Air Act directs the Administrator to identify certain pollutants which “may reasonably be anticipated to endanger public health and welfare” … The Clean Air Scientific Advisory Committee (CASAC), an independent science advisory committee established pursuant to section 109 of the Clean Air Act and part of the EPA's Science Advisory Board (SAB

Approval and Promulgation of Air Quality State Implementation Plans; Texas; Approval of Clean Fuel Fleet Substitution Program Revision

Federal Register · Rule · Feb 7, 2001

Clean Air Act (CAA). … Air Act.

Approval, and Promulgation of Air Quality Implementation Plans; Indiana; Redesignation of the Evansville Area to Attainment of the Fine Particulate Matter Standard

Federal Register · Proposed Rule · May 23, 2011

Air Act. … Air Act.

PM2.5 and PM10 Hot-Spot Analyses in Project-Level Transportation Conformity Determinations for the New PM2.5 and Existing PM10 National Ambient Air Quality Standards

Federal Register · Rule · Mar 10, 2006

Clean Air Act requirements. … the 1977 Clean Air Act conformity requirements.

Approval and Promulgation of State Implementation Plans: Idaho

Federal Register · Rule · Aug 1, 2008

Air Act. … the IDEQ's 2008 SIP revision request meets the requirements of the Clean Air Act.

Approval and Promulgation of Air Quality Implementation Plans; Kentucky: Approval of American Greetings Corporation; Source-Specific State Implementation Plan Revision

Federal Register · Rule · May 9, 2001

Air Act. … In reviewing SIP submissions, EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.

Approval and Promulgation of Air Quality Implementation Plans; Federally Enforceable State Operating Permit Program; Allegheny County, Pennsylvania

Federal Register · Rule · Jun 26, 2003

EPA is approving this revision in accordance with the requirements of the Clean Air Act. … Please ensure that your comments are submitted within the specified comment period. Comments received after the close of the comment period will be marked “late.”

Approval and Promulgation of Implementation Plans; Spokane, Washington: Second 10-Year PM10 Limited Maintenance Plan

Federal Register · Proposed Rule · Feb 26, 2016

Does the plan meet the Clean Air Act requirements for contingency provisions? … If finalized, the EPA's approval of this limited maintenance plan will satisfy the section 175A Clean Air Act requirements for the second 10-year period in the Spokane PM 10 area.

Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Ohio

Federal Register · Rule · Feb 8, 1995

No other comments were received during the extended comment period. … -Canada Clean Air Quality Agreement.

Approval and Promulgation of State Implementation Plans: Washington; Vancouver Air Quality Maintenance Area Second 10-Year Carbon Monoxide Maintenance Plan

Federal Register · Rule · Jun 27, 2008

In accordance with the requirements of the Federal Clean Air Act (the Act), EPA is approving Washington's revision because the State adequately demonstrates that the Vancouver Air Quality Maintenance Area … Transportation and General Conformity Transportation conformity is required by section 176(c) of the Clean Air Act.

Six Actions Published by the Environmental Protection Agency With Comment Periods That Closed January 27, 2025, and January 29, 2025; Reopening of Comment Periods

Federal Register · Notice · Jan 31, 2025

1/27/2025 EPA-HQ-OW-2023-0107. 89 FR 105045 Proposed Consent Decree, Clean Air Act Citizen Suit 12/26/2024 1/27/2025 EPA-HQ-OGC-2024-0601. 89 FR 105043 Agency Information Collection … This document reopens the public comment period for the notice “Proposed Consent Decree, Clean Air Act Citizen Suit” established in the Federal Register document of December 26, 2024 (89 FR 105045)

National Emission Standards for Hazardous Air Pollutants: Halogenated Solvent Cleaning

Federal Register · Rule · Dec 3, 1999

(See section 307(d)(7)(A) of the Clean Air Act.) … form for a period of 5 years