Documents

Integrated Science Assessment for Ozone and Related Photochemical Oxidants

Federal Register · Notice · Apr 20, 2020

Information About the Document Section 108(a) of the Clean Air Act directs the Administrator to identify certain air pollutants which, among other things, “cause or contribute to air pollution which … The Clean Air Scientific Advisory Committee (CASAC), an independent science advisory committee whose review and advisory functions are mandated by Section 109(d)(2) of the Clean Air Act, is charged (among

Air Plan Approval and Air Quality Designation; TN; Redesignation of the Sullivan County Lead Nonattainment Area to Attainment

Federal Register · Proposed Rule · Apr 26, 2016

EPA is proposing to take the following four separate but related actions: (1) To approve Tennessee's RACM determination for the Bristol Area pursuant to Clean Air Act (CAA) section 172(c)(1) into the SIP … “State Implementation Plan (SIP) Actions Submitted in Response to Clean Air Act (CAA) Deadlines,” Memorandum from John Calcagni, Director, Air Quality Management Division, October 28, 1992; and 3.

Approval and Promulgation of Air Quality Implementation Plans; Maryland; Revisions to Visible Emissions and Sulfur Dioxide Testing Regulations

Federal Register · Rule · Aug 6, 2003

EPA is approving these revisions in accordance with the requirements of the Clean 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; Ohio

Federal Register · Rule · Sep 27, 2007

What Is Required by the Clean Air Act and How Does It Apply to Ohio? … National Technology Transfer Advancement Act In reviewing SIP submissions, EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.

Determinations of Attainment of the One-Hour and Eight-Hour Ozone Standards for Various Ozone Nonattainment Areas in New Jersey and Upstate New York

Federal Register · Rule · Dec 7, 2009

Air Act do not apply to these areas … Air Act do not apply to these areas.

Air Plan Approval; Ohio; Redesignation of the Cleveland, OH Area to Attainment of the 2015 Ozone Standard

Federal Register · Rule · Jun 29, 2026

Quality Standards (NAAQS) because the request meets the statutory requirements for redesignation under the Clean Air Act (CAA). … While this list may not be exhaustive, to ease the reading of this preamble and for reference purposes, the EPA defines the following terms and acronyms here: CAA Clean Air Act CAIR Clean Air Interstate

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

Federal Register · Proposed Rule · Apr 18, 2007

The Court held that certain provisions of EPA's Phase I Rule were inconsistent with the requirements of the Clean Air Act. … Air Act.

Air Plan Approval; New York; Interstate Transport Requirements for the 2010 SO2 NAAQS

Federal Register · Rule · Sep 9, 2026

This action is being taken in accordance with the requirements of the Clean Air Act. DATES: This final rule is effective on October 9, 2026. … Comments the EPA Received on Its Proposed Action The EPA provided a 30-day review and comment period for the April 10, 2026, proposed rule. The comment period ended on May 11, 2026.

EPA’s Wood Stove / Wood Heater Regulations: Frequently Asked Questions

Congressional research report · CRS Report · Dec 18, 2018

furnaces.1 Proposed in 2014,2 the rule resulted from a regular review process that Section 111 of the Clean Air Act requires for all New Source Performance Standards (NSPS). … The period of time EPA has allowed for the development of Step 2compliant products (five years) is longer than the time allowed for compliance with most Clean Air Act emission standards.

Air Plan Approval; Pennsylvania; Redesignation of the Allegheny County Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan for the 2010 1-Hour Primary Sulfur Dioxide National Ambient Air Quality Standard

Federal Register · Rule · Apr 28, 2025

The public comment period for the proposed rule ended on January 10, 2024 and the EPA received no comments during the public comment period. II. … 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

Air Plan Approval; Alaska; Interstate Transport Requirements for the 2012 PM2.5 NAAQS

Federal Register · Rule · Jun 27, 2018

The public comment period for the proposal ended June 1, 2018. We received no adverse comments. 1 1  We received two comments in support of our proposed approval. … 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 Implementation Plans; La Grande PM10 Maintenance Plan and Redesignation Request

Federal Register · Rule · Jun 19, 2006

Quality Standards (NAAQS) and all other requirements of the Clean Air Act (the Act) for redesignation to attainment are met. 71 FR 14393. … The commenter concluded that demonstrating that the 2017 budget is met, as well as any required interim years, meets the purpose of the Clean Air Act and this SIP.

Approval and Promulgation of Air Quality Implementation Plans; Washington; Determination of Clean Data for the 2006 24-Hour Fine Particulate Standard for the Tacoma, Pierce County Nonattainment Area

Federal Register · Proposed Rule · Jul 5, 2012

ENVIRONMENTAL PROTECTION AGENCY 40 CFR Part 52 [EPA-R10-OAR-2012-0380; FRL-9693-9] Approval and Promulgation of Air Quality Implementation Plans; Washington; Determination of Clean Data for the 2006 … This action is being taken under the Clean Air Act (CAA). DATES: Written comments must be received on or before August 6, 2012.

Approval and Promulgation of Air Quality Implementation Plans; North Carolina; Attainment Demonstration of the Mountain, Unifour, Triad and Fayetteville Early Action Compact Areas

Federal Register · Proposed Rule · May 26, 2005

Today we are proposing to approve revisions to the North Carolina SIP under sections 110 and 116 of the Clean Air Act (“CAA” or “The Act”). … In reviewing SIP submissions, EPA's role is to approve state actions, provided that they meet the criteria of the Clean Air Act.

Air Plan Approval; MO; Restriction of Visible Air Contaminant Emissions

Federal Register · Rule · Mar 8, 2023

Air Act. … Air Act § 304, 42 U.S.C. 7604.

Revisions to the Arizona State Implementation Plan, Arizona Department of Environmental Quality

Federal Register · Rule · Sep 18, 2001

Public Comments and EPA Responses EPA's proposed action provided a 30-day public comment period. During this period, we received comments from the following parties. 1. … Air Act.

Determination of Attainment of the 2012 Annual Fine Particulate Matter Standard; Pennsylvania; Delaware County Nonattainment Area

Federal Register · Rule · Dec 13, 2016

This action is being taken under the Clean Air Act (CAA). … EPA will address all public comments in a subsequent final rule based on the proposed rule. EPA will not institute a second comment period on this action.

AIR QUALITY DIVISION (2024)

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; 17 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; 2.3.1.2.

California State Motor Vehicle and Nonroad Engine Pollution Control Standards; Truck Idling Requirements; Notice of Decision

Federal Register · Notice · Feb 16, 2012

ATA comments that those requirements are not consistent with sections 202(a) and 209(e) of the Clean Air Act. … engines, they circumvent the consistency criteria of the Clean Air Act.

Approval and Promulgation of Air Quality Implementation Plans, Tennessee; Approval of Revisions to Permit Requirements, Definitions, Exemptions, and Internal Combustion Engines Regulations

Federal Register · Rule · May 30, 1997

The purpose of these amendments was to satisfy the requirements of the 1990 Clean Air Act Amendments and the comments made by EPA on previous SIP submittals. … Any Class I or Class II substance listed pursuant to section 602 of the Clean Air Act as amended.