Documents

Approval and Promulgation of Air Quality Implementation Plans; West Virginia; Revision to the State Implementation Plan (SIP) Addressing Sulfur Dioxide in Marshall County

Federal Register · Rule · Aug 2, 2000

The intention of this action is to regulate SO 2 emissions in accordance with the requirements of the Clean Air Act. … Air Act.

Approval and Promulgation of Air Quality Implementation Plans; Connecticut; Reasonably Available Control Technology for Volatile Organic Compounds at Sikorsky Aircraft Corporation in Stratford

Federal Register · Rule · Feb 9, 1998

This action is being taken in accordance with section 110 of the Clean Air Act. … On November 15, 1990, the Clean Air Act Amendments of 1990 (CAAA) were enacted.

Record and brief — Crow Tribe of Indians v. Environmental Protection Agency

Supreme Court brief · Record and brief · 1981

The Clean Air Act was then amended to incorporate a statutory PSD program in 1977. … See generally the Clean Air Act Debate, 126 Cong. Rec. $14792 (daily ed.

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; VOC and NOX RACT Determinations for Five Individual Sources

Federal Register · Rule · Oct 17, 2003

EPA is approving these revisions to establish RACT requirements in the SIP in accordance with the Clean Air Act (CAA). … In reviewing SIP submissions, EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.

Determination of Attainment, Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Indiana; Redesignation of the Vigo County Nonattainment Area to Attainment of the 8-Hour Ozone Standard

Federal Register · Rule · Jan 5, 2006

This proposed rule established a 30-day public comment period. II. What Comments Did We Receive on the Proposed Action? … Air Act.

Air Plan Approval; New Hampshire; Ozone Maintenance Plan

Federal Register · Rule · May 23, 2016

This action is being taken in accordance with the Clean Air Act. DATES: This direct final rule will be effective July 22, 2016, unless EPA receives adverse comments by June 22, 2016. … The SIP revision consists of the Clean Air Act (CAA or Act) section 110(a)(1) ozone maintenance plan for the 1997 8-hour ozone standard for New Hampshire.

Air Plan Approval; Missouri and Kansas; Determination of Attainment for the Jackson County, Missouri 1-Hour Sulfur Dioxide Nonattainment Area and Redesignation of the Wyandotte County, Kansas Unclassifiable Area to Attainment/Unclassifiable

Federal Register · Proposed Rule · Apr 15, 2020

Designations On June 2, 2010, the EPA established a health-based 1-hour primary SO 2 NAAQS at 75 ppb. 5 Upon promulgation of a new or revised NAAQS, section 107(d) of the Clean Air Act (CAA) … The inclusion of any Indian country in the designation area is not a determination that the state has regulatory authority under the Clean Air Act for such Indian country. 2  This date is April

Air Plan Approval; Illinois; Clean Data Determination for the Illinois Portion of the St. Louis Area for the 2015 Ozone Standard

Federal Register · Rule · Aug 13, 2026

SUMMARY: The Environmental Protection Agency (EPA) is determining under the Clean Air Act (CAA) that the Illinois portion of the St. … The EPA's Responses to Comments The public comment period on the EPA's proposed rule opened February 26, 2026, the date of its publication in the Federal Register and closed on March 30, 2026.

Approval and Promulgation of Air Quality Implementation Plans; Ohio: Bellefontaine; Determination of Attainment for the 2008 Lead Standard

Federal Register · Rule · Nov 5, 2013

SUMMARY: On April 19, 2013, the Ohio Environmental Protection Agency (Ohio EPA), submitted a request to EPA to make a determination under the Clean Air Act (CAA) that the Bellefontaine nonattainment area … All public comments received will then be addressed in a subsequent final rule based on the proposed action. EPA will not institute a second comment period.

Draft Integrated Science Assessment for Oxides of Nitrogen-Health Criteria

Federal Register · Notice · Mar 5, 2008

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

Air Plan Approval; Iowa; State Implementation Plan and State Operating Permits Program

Federal Register · Rule · Apr 19, 2024

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

Air Plan Approval; Maryland; Clean Data Determination for the Baltimore, MD Nonattainment Area for the 2015 Ozone National Ambient Air Quality Standards

Federal Register · Rule · May 29, 2026

EPA's Response to Comments Received The EPA's January 23, 2026 NPRM opened a 30-day public comment period, which closed on February 23, 2026. 11 The EPA received one comment. … of 1995 (15 U.S.C. 272 note) because application of those requirements would be inconsistent with the Clean Air Act.

Approval and Promulgation of Air Quality Implementation Plans; Virginia; Revision to Clean Air Interstate Rule Sulfur Dioxide Trading Program

Federal Register · Rule · Oct 22, 2009

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.

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Tribal code · Tribal code

under title IV of the Clean Air Act … (13) “Clean Air Act” or “Act” means 42 U.S.C. § 7401 et seq., as amended.

Approval and Promulgation of Air Quality Implementation Plans; Massachusetts; Regional Haze State Implementation Plan for the Second Implementation Period

Federal Register · Rule · Jul 8, 2024

Air Act (CAA) and EPA's Regional Haze Rule for the program's second implementation period. … Clean Air Act legislative history or EPA Regional Haze Guidance.

Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Alabama; Redesignation of Birmingham Ozone Nonattainment Area to Attainment for Ozone

Federal Register · Proposed Rule · Jan 6, 2004

Air Act. … Air Act.

Approval and Promulgation of Air Quality Implementation Plans; Connecticut; Regional Haze State Implementation Plan for the Second Implementation Period

Federal Register · Rule · Sep 17, 2024

Air Act (CAA) and EPA's Regional Haze Rule for the program's second implementation period. … of 1995 (15 U.S.C. 272 note) because application of those requirements would be inconsistent with the Clean Air Act.

AIR QUALITY DIVISION (2023)

Tribal code · Tribal code

Such changes are not subject to any requirements under title IV of the Clean Air Act and are not modifications under title I of the Clean Air Act; 1.15.1.3. … The engine or turbine replacement is not subject to any requirements under Title IV of the Clean Air Act and is not a modification under Title I of the Clean Air Act; 20 2.3.1.2.

Approval and Promulgation of Implementation Plans; State of New York; Clean Fuel Fleet Opt Out

Federal Register · Rule · Jan 6, 1995

Fuel Fleet program (CFFP) or a substitute program that meets the requirements of the Clean Air Act. … Air Act.

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

Federal Register · Proposed Rule · Aug 19, 2009

The EPA's Clean Air Act Advisory Committee (CAAAC) has recently asked EPA to review and address whether it is “legally permissible under either section 185 or 172(e) of the Clean Air Act for a State to … Air Act.