Documents

Standards of Performance for New Stationary Sources and Emission Guidelines for Existing Sources: Large Municipal Waste Combustors Voluntary Remand Response and Five-Year Review

Federal Register · Rule · Mar 10, 2026

This final rule responds to a voluntary remand of the preceding rule for this source category and announces the results of the non-discretionary review at five-year intervals required by Clean Air Act … This requirement is in accordance with section 129(b)(2) of the Clean Air Act and applies instead of the schedule required in § 60.23(a)(1) of subpart B of this part.

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Conversion of the Conditional Approval of the 15 Percent Plan for the Pennsylvania Portion of the Philadelphia-Wilmington-Trenton Ozone Nonattainment Area to a Full Approval

Federal Register · Proposed Rule · May 16, 2001

to occur prior to the 1990 Clean Air Act Amendments). … Air Act.

Approval and Promulgation of State Implementation Plans: Oregon

Federal Register · Rule · Feb 15, 1995

\1\The 1990 Amendments to the Clean Air Act made significant changes to the Act. See Pub. L. No. 101-549, 104 Stat. 2399. References herein are to the Clean Air Act, as amended (``the Act''). … The Clean Air Act is codified, as amended, in the U.S. Code at 42 U.S.C. sections 7401, et seq.

Section 45W Credit for Qualified Commercial Clean Vehicles

Federal Register · Proposed Rule · Jan 14, 2025

Air Act (CAA). … Air Act (42 U.S.C. 7521 et seq. ) for the subject vehicle.

Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; State of North Carolina

Federal Register · Rule · Jul 5, 1995

SUPPLEMENTARY INFORMATION: On November 15, 1990, the Clean Air Act Amendments of 1990 were enacted. (Pub. L. 101-549, 104 Stat. 2399, codified at 42 U.S.C. 7401-7671q). … Air Act.

National Ambient Air Quality Standards for Ozone and Particulate Matter

Federal Register · Proposed Rule · Dec 24, 1996

These public hearings are the opportunity for the oral presentation of data, views, or arguments required by section 307(d)(5) of the Clean Air Act. … also be available to the public through the Office of Air Quality Planning and Standards (OAQPS) Technology Transfer Network (TTN) Bulletin Board System (BBS) in the Clean Air Act Amendments area, under

Determination of Attainment of the 1-Hour Ozone National Ambient Air Quality Standards in the Sacramento Metro Nonattainment Area in California

Federal Register · Rule · Oct 18, 2012

Public Comments EPA's proposed action provided a 30-day public comment period. During this period, the following parties submitted comments: 1. … Under section 307(b)(1) of the Clean Air Act, petitions for judicial review of this action must be filed in the United States Court of Appeals for the appropriate circuit by December 17, 2012.

Approval and Promulgation of Implementation Plans; New York; Emission Statement Program

Federal Register · Rule · Dec 28, 2023

period. … of 1995 (15 U.S.C. 272 note) because application of those requirements would be inconsistent with the Clean Air Act.

Air Plan Approval; Missouri; Control of Sulfur Dioxide Emissions and Approval and Promulgation of State Plan (Negative Declaration) for Designated Facilities and Pollutants

Federal Register · Rule · Sep 5, 2025

This final approval action is being done in accordance with the requirements of the Clean Air Act (CAA). DATES: This final rule is effective on October 6, 2025. … Thus, in reviewing SIP submissions, EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.

Notification of a Public Teleconference of the Chartered Clean Air Scientific Advisory Committee (CASAC) and the CASAC Sulfur Oxides Panel

Federal Register · Notice · Apr 5, 2018

SUPPLEMENTARY INFORMATION: The CASAC was established pursuant to the Clean Air Act (CAA) Amendments of 1977, codified at 42 U.S.C. 7409(d)(2), to review air quality criteria and National Ambient Air … Section 109(d)(1) of the CAA requires that the Agency periodically review and revise, as appropriate, the air quality criteria and the NAAQS for the six “criteria” air pollutants, including sulfur oxides

Approval and Promulgation of Air Quality Implementation Plans; Illinois; Approval of a Site-Specific Sulfur Dioxide Plan Revision for CILCO Edwards Station

Federal Register · Rule · Apr 13, 2000

Since the Clean Air Act's inception in 1970, EPA has set NAAQS for six common air pollutants: carbon monoxide, lead, nitrogen dioxide, ozone, particulate matter, and sulfur dioxide. … Air Act.

California State Nonroad Engine Pollution Control Standards; Ocean-Going Vessels At-Berth in California Ports; Notice of Decision

Federal Register · Notice · Dec 13, 2011

PMSA makes four general comments. First, PMSA comments that California's At-Berth Regulation is arbitrary and capricious under section 209 of the Clean Air Act. … Fourth, PMSA comments that the California At-Berth Regulation is preempted under section 209(e)(2) of the Clean Air Act. II. Discussion A.

California State Motor Vehicles Pollution Control Standards; Opportunity for Public Hearing

Federal Register · Notice · Aug 11, 1995

CARB initially requested that EPA find its OBD II regulations within the scope of existing waivers of Federal preemption pursuant to section 209 of the Clean Air Act (Act), 42 U.S.C. 7543(b), as amended … CARB initially requested that EPA find its OBD II regulations within the scope of existing waivers of federal preemption pursuant to section 209 of the Clean Air Act (Act), 42 U.S.C. 7543(b), as amended

Air Plan Approval; Massachusetts; Infrastructure State Implementation Plan Requirements for the 2015 Ozone Standard

Federal Register · Rule · Mar 10, 2020

This action is being taken in accordance with the Clean Air Act. DATES: This direct final rule will be effective May 11, 2020, unless EPA receives adverse comments by April 9, 2020. … This action is being taken in accordance with the Clean Air Act.

Approval and Promulgation of State Implementation Plans; State of Wyoming; Regional Haze Rule Requirements for Mandatory Class I Areas

Federal Register · Proposed Rule · May 24, 2012

The words or initials Act or CAA mean or refer to the Clean Air Act, unless the context indicates otherwise. ii. … Clean Air Corridors 1.

Approval of Air Quality Implementation Plans; Puerto Rico; Attainment Demonstration for the Arecibo Area for the 2008 Lead National Ambient Air Quality Standards

Federal Register · Rule · Jul 14, 2017

related to the Clean Water Act and Resource Conservation and Recovery Act. 1. … State Implementation Plans; General Preamble for the Implementation of Title I of the Clean Air Act Amendments of 1990, 57 FR 13498, 13512 (April 16, 1992).

Approval and Promulgation of Air Quality Implementation Plans; Maryland; Nitrogen Oxides Budget Program

Federal Register · Rule · Dec 15, 2000

That NPR provided for a public comment period ending on November 9, 2000. On November 9, 2000 (65 FR 67319), EPA published a notice extending the comment period to November 20, 2000. … Air Act.

Approval and Promulgation of Air Quality Implementation Plans; Massachusetts; Determination of Attainment of the 1997 Ozone Standard for the Western Massachusetts Nonattainment Area

Federal Register · Rule · Jun 19, 2012

monitoring periods. … Under section 307(b)(1) of the Clean Air Act, petitions for judicial review of this action must be filed in the United States Court of Appeals for the appropriate circuit by August 20, 2012.

Petition — Bradford Coal Co. v. Baughman

Supreme Court brief · Petition · 1979

Section 304 of the Clean Air Act, 42 U.S.C. … 110 of the Clean Air Act 42 U.S.C. §7410.

Partial Approval and Partial Disapproval of Air Quality Implementation Plans; California; San Joaquin Valley Serious Area and Section 189(d) Plan for Attainment of the 1997 Annual PM2.5

Federal Register · Rule · Nov 26, 2021

The commenter claims that this path would be “more consistent with the cooperative federalism embedded in the Clean Air Act” and would have avoided sanctions consequences outside of the District's direct … Quality Standards (NAAQS) and Termination of Clean Air Act (CAA) Sanctions Clocks”).