Documents

Revisions to the California State Implementation Plan, San Joaquin Valley Unified Air Pollution Control District

Federal Register · Rule · Jan 13, 2010

Public Comments and EPA Responses A. Commenting Parties B. Summary of Comments and EPA Responses 1. EPA Response to the Clean Air Act Advisory Committee Letter 2. … EPA Response to the Clean Air Act Advisory Committee Letter On May 15, 2009, the Clean Air Act Advisory Committee (CAAAC) sent a letter to EPA Acting Assistant Administrator Elizabeth Craig regarding

Air Plan Approval; Rhode Island; Regional Haze State Implementation Plan for the Second Implementation Period; Prong 4 (Visibility) for the 2015 8-Hour Ozone National Ambient Air Quality Standard

Federal Register · Rule · Apr 9, 2026

Air Act (CAA) and EPA's Regional Haze Rule (RHR) for the program's second implementation period. … 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 regulations

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.

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

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 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 Implementation Plans; Ohio

Federal Register · Uncategorized Document · Sep 21, 1994

The Clean Air Act has had significant amendments only twice since 1970, whereas Ohio has changed its Permit to Install (NSR) rules eight times during the same period. … Comment: A commenter believes that USEPA acknowledges that Ohio's statutes and regulation ``already require that the provisions of the amended Clean Air Act be met.''

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.

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).

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.

Keystone Steel and Wire Company; Notice of Application for a Permanent Variance, Grant of an Interim Order, and Request for Comments

Federal Register · Notice · Jul 1, 2010

Perform personal-exposure monitoring ( i.e., breathing-zone sampling) of the workers for lead and arsenic particulates during the entire period they use compressed air to clean crane motors. … air to clean crane motors.

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

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.

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)

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).

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

Other Solid Waste Incinerators; Air Curtain Incinerators Title V Permitting Provisions

Federal Register · Rule · Apr 17, 2024

SUMMARY: On August 31, 2020, in accordance with requirements under the Clean Air Act (CAA), the U.S. … for public comment or if the grounds for such objection arose after the period for public comment (but within the time specified for judicial review) and if such objection is of central relevance to the

Amendments to Brake System Maintenance and Inspection Requirements

Federal Register · Proposed Rule · Jul 1, 2025

Section 238.309 Periodic Brake Equipment Maintenance FRA proposes to extend brake equipment service life and maintenance intervals for periodic cleaning, repairing, and testing of air brake equipment, … period for older equipment fitted with air dryers.