Documents

Approval and Promulgation of Air Quality Implementation Plans; Delaware, Maryland, New Jersey, and Pennsylvania; Determinations of Attainment of the 1997 8-Hour Ozone Standard for the Philadelphia-Wilmington-Atlantic City Moderate Nonattainment Area and Withdrawal of Attainment Demonstration Proposed Disapprovals

Federal Register · Proposed Rule · Dec 9, 2011

monitoring period. … These actions are being taken under the Clean Air Act (CAA). DATES: Written comments must be received on or before January 9, 2012.

Air Plan Approval; California; Mojave Desert Air Quality Management District

Federal Register · Proposed Rule · Jul 15, 2022

We are proposing to approve a local rule to regulate these emission sources under the Clean Air Act (CAA or the Act). … Thus, in reviewing SIP submissions, the 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; Minnesota

Federal Register · Uncategorized Document · Sep 9, 1994

Air Act and also the nonattainment area plan requirements listed in subpart I of part D of subchapter I of the Clean Air Act. … (See section 307(b)(2) of the Clean Air Act.)

Air Plan Approval; Arizona; Maricopa County Air Quality Department; Volatile Organic Compounds and Particulate Matter; Solvent Cleaning; Architectural Coatings; Incinerators, Burn-Off Ovens, and Crematories

Federal Register · Rule · Dec 11, 2025

We are approving local rules that regulate these emission sources under the Clean Air Act (CAA or “Act”). DATES: This rule is effective January 12, 2026. … Public Comments and EPA Responses The EPA's proposed actions provided a 30-day public comment period.

Approval and Promulgation of Air Quality Implementation Plans; Connecticut; Determinations of Attainment of the One-Hour Ozone Standard

Federal Register · Proposed Rule · Nov 23, 2011

EPA is proposing these determinations under the Clean Air Act. DATES: Written comments must be received on or before December 23, 2011. … Statutory and Regulatory Background EPA designated the Greater Connecticut area as nonattainment for one-hour ozone following the enactment of the Clean Air Act (CAA) Amendments of 1990.

Revisions to the Arizona State PM-10 Implementation Plan; Maricopa County Air Quality Department

Federal Register · Rule · Nov 13, 2009

We are approving local rules that regulate these emission sources under the Clean Air Act as amended in 1990 (CAA or the Act). … 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.

Repeal of Carbon Pollution Emission Guidelines for Existing Stationary Sources: Electric Utility Generating Units

Federal Register · Proposed Rule · Feb 1, 2018

In addition, the EPA will reopen the public comment period until April 26, 2018. … The EPA will keep the public comment period open until April 26, 2018.

Approval and Promulgation of Air Quality Implementation Plans; Indiana

Federal Register · Rule · Apr 12, 2005

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.” … 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.

Approval and Promulgation of Implementation Plans; State of California; Coachella Valley; Extreme Attainment Plan for 1997 8-Hour Ozone Standards

Federal Register · Proposed Rule · Apr 16, 2024

In 1979, under section 109 of the Clean Air Act (CAA), the EPA established primary and secondary NAAQS for ozone at 0.12 parts per million (ppm) averaged over a 1-hour period. 3 On July 18, 1997, … The public comment period ended with a board meeting on February 25, 2021.

Air Quality State Implementation Plans; Approvals and Promulgations: California; Opacity Testing of Heavy-Duty Diesel Vehicles

Federal Register · Rule · May 10, 2022

We are approving state rules that regulate PM emission sources under the Clean Air Act (CAA or the Act). DATES: This rule is effective on June 9, 2022. … Public Comments and EPA Responses The EPA's proposed action provided a 30-day public comment period. During this period, we received nine comments from members of the public.

Approval and Promulgation of Implementation Plan; Indiana Particulate Matter Rule

Federal Register · Rule · Apr 11, 2000

Because Indiana's Central Soya SIP revision request is consistent with the Clean Air Act and applicable policy, EPA is approving it. … Air Act.

Approval and Promulgation of Implementation Plans; Georgia: Approval of Revisions to State Implementation Plan

Federal Register · Rule · Jul 11, 2002

Bonnell's Air Quality Permit. This permit revision went through a thirty day comment period and was the subject of a public hearing on September 8, 1999. … In reviewing SIP submissions, EPA's role is to approve state choices, provided that they meet the criteria of the Clean Air Act.

Outer Continental Shelf Air Regulations

Federal Register · Uncategorized Document · Feb 8, 1994

The Clean Air Act (Act) requires periodic review and, if appropriate, revision of the NAAQS and of the air quality criteria on which they are based. … Comment Period on Staff Paper (SP) September to October 1994. (60 days). CASAC Meeting on SP................ October 1994. Public Comment Period on Revised CD Early 1995. and SP (90 days).

Proposed Determination of Attainment of 1-hour Ozone Standard as of November 15, 1993, for the Birmingham, AL, Marginal Ozone Nonattainment Area

Federal Register · Proposed Rule · Aug 21, 2002

(NAAQS) by November 15, 1993, the date required by 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.

Approval and Promulgation of Implementation Plans; Nevada State Implementation Plan Revision, Clark County

Federal Register · Proposed Rule · Dec 11, 1998

generated during the public comment period. … EPA does not believe that Clark County's requirement is preempted under the Clean Air Act.

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; 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.

National Emission Standards for Hazardous Air Pollutants: Halogenated Solvent Cleaning

Federal Register · Rule · May 5, 1998

The EPA will also reconsider the compliance dates in the rule and, following the notice and comment procedures of section 307(d) of the Clean Air Act, will take appropriate action. III. … The grounds for staying the requirements of this rule for continuous web cleaning machines arose after the public comment period and close to the compliance date for this rule.

Approval and Promulgation of Air Quality Implementation Plans; Virginia; Rule Pertaining to VOC RACT Requirements

Federal Register · Rule · Mar 12, 1997

This action is being taken under section 110 of the Clean Air Act. EFFECTIVE DATE: This final rule is effective on April 11, 1997. … Air Act (the Act).

Approval and Promulgation of Air Quality Implementation Plans; North Dakota; Alternative Monitoring Plan for Milton R. Young Station

Federal Register · Rule · Jun 30, 2015

The EPA is taking this action under 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.

Approval and Promulgation of Air Quality Implementation Plans; Allegheny County Portion of the Commonwealth of Pennsylvania's Operating Permits Program, and Federally Enforceable State Operating Permit Program

Federal Register · Proposed Rule · Dec 6, 1999

Part 70 Background Major sources of air pollutants are required under Title V of the 1990 Clean Air Act Amendments (sections 501-507 of the Act) to obtain operating permits. … Standards Established Under Sections 111 and 112 of the Clean Air Act).