Documents

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

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.

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

Petition — Indianapolis Power & Light Co. v. United States Environmental Protection Agency

Supreme Court brief · Petition · 1980

required by the Clean Air Act (42 U.S.C … [Clean Air Act, § 173, 42 U.S.C. A. § 7503.]

Approval and Promulgation of Air Quality Implementation Plans; Colorado; 1993 Periodic Carbon Monoxide Emission Inventories for Colorado

Federal Register · Rule · Jul 15, 1998

to the State Implementation Plan (SIP), as required by section 187(a)(5) of the Clean Air Act (CAA), as amended in 1990. … In addition, citizen enforcement under section 304 of the Clean Air Act is likewise unaffected by a state audit privilege or immunity law.

Approval and Promulgation of Air Quality Implementation Plans; Texas; Control of Air Pollution From Motor Vehicles

Federal Register · Rule · Apr 9, 2010

The EPA is approving these revisions pursuant to section 110 of the Clean Air Act (CAA). … Thus, in reviewing SIP submissions, EPA's role is to approve State choices, provided that they meet the criteria of the Clean Air Act.

Transportation Conformity Rule Amendments: Flexibility and Streamlining

Federal Register · Proposed Rule · Jul 9, 1996

) are the Clean Air Act mechanism for addressing SIP failures. … CAA means the Clean Air Act, as amended.

Approval and Promulgation of Implementation Plans; Washington: Update to the Spokane Regional Clean Air Agency Solid Fuel Burning Device Standards

Federal Register · Proposed Rule · Aug 10, 2015

More recently, the Washington State Legislature revised the underlying statutory authority contained in Chapter 70.94 Revised Code of Washington (RCW) Washington Clean Air Act (Washington Clean Air … Air Act.

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

National Emission Standards for Hazardous Air Pollutants for Source Categories: Aerospace Manufacturing and Rework

Federal Register · Uncategorized Document · Jun 6, 1994

A major source is defined in section 112(a) of the Clean Air Act as amended in 1990 (Act) as a source that emits, or has the potential to emit, considering controls, 10 tons per year (tpy) or more of any … The public is invited to comment on the proposed regulation during the public comment period.