Documents

Use of Ozone-Depleting Substances; Essential Use Determinations

Federal Register · Proposed Rule · Sep 1, 1999

Air Act. … essential under the Clean Air Act (42 U.S.C. 7671(8)).

Approval and Promulgation of Implementation Plans; Enhanced Monitoring; California

Federal Register · Proposed Rule · Aug 2, 2017

Background Information The Clean Air Act (CAA or “Act”) requires the EPA to establish National Ambient Air Quality Standards (NAAQS or “standards”) for certain widespread pollutants, such as ozone, … 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.

Air Plan Approval; Rhode Island; Infrastructure State Implementation Plan Requirements for the 2012 PM2.5 NAAQS

Federal Register · Rule · May 31, 2022

This revision addresses the infrastructure requirements of the Clean Air Act (CAA or Act) for the 2012 annual fine particle (PM 2.5 ) National Ambient Air Quality Standard (NAAQS). … This action is being taken in accordance with the Clean Air Act. DATES: This rule is effective June 30, 2022.

Second External Review Draft Integrated Science Assessment for Sulfur Oxides-Health Criteria

Federal Register · Notice · Dec 9, 2016

Information About the Document Section 108(a) of the Clean Air Act directs the Administrator to identify certain pollutants which, among other things, “cause or contribute to air pollution which may … The 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 other things) with independent scientific

Approval and Promulgation of Air Quality Implementation Plans; New York; Determination of Clean Data for the 1987 PM10 Standard for the New York County Area

Federal Register · Proposed Rule · Sep 13, 2013

This interpretation of the Clean Air Act is known as the Clean Data Policy. … Clean Air Act section 172 of the Act.

Approval and Promulgation of Air Quality Implementation Plans; Massachusetts; Reasonably Available Control Technology for Major Stationary Sources of Nitrogen Oxides and Nitrogen Oxide Requirements at Municipal Waste Combustors

Federal Register · Rule · Sep 2, 1999

The intended effect of this action is to approve regulations and facility-specific requirements in accordance with the Clean Air Act. … All public comments received will then be addressed in a subsequent final rule based on the proposed rule. The EPA will not institute a second comment period.

Clean Air Permitting: Implementation and Issues

Congressional research report · CRS Report · Sep 1, 2016

: Implementation and Issues Summary The 1990 Clean Air Act (CAA) amendments required major industrial sources of air pollutants to obtain operating permits. … /caaac/final-report-clean-air-act-advisory-committee-title-vimplementation-experience.

Air Plan Approval; Guam; Clean Data Determination for the Piti-Cabras Nonattainment Area for the 2010 1-Hour Sulfur Dioxide National Ambient Air Quality Standard

Federal Register · Proposed Rule · Jun 20, 2025

In designated nonattainment areas where air quality data demonstrate that a NAAQS has been attained, the EPA interprets certain requirements of the Clean Air Act (CAA) as no longer applicable for so long … modeling periods.

Approval and Promulgation of Air Quality Implementation Plans; Texas; Victoria County, 1997 8-Hour Ozone Section 110 (a)(1) Maintenance Plan

Federal Register · Rule · Aug 8, 2013

The Maintenance Plan meets the requirements of Section 110(a)(1) of the Federal Clean Air Act (CAA or Act), EPA's rules, and is consistent with EPA's guidance. … Wegman to Air Division Directors, Maintenance Plan Guidance Document for Certain 8-hour Ozone Areas Under Section 110(a)(1) of Clean Air Act, May 20, 2005).

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; VOC and NOX RACT Determinations for Five Individual Sources in the Pittsburgh-Beaver Valley Area

Federal Register · Rule · Aug 21, 2001

EPA is approving these revisions to establish RACT requirements in the SIP in accordance with the Clean Air Act (CAA). … Air Act.

Approval and Promulgation of Revisions to the Georgia State Implementation Plan

Federal Register · Rule · Mar 13, 2000

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; State of Colorado; Greeley Carbon Monoxide Redesignation to Attainment, Designation of Areas for Air Quality Planning Purposes, and Approval of a Related Revision

Federal Register · Rule · Mar 10, 1999

Refer to the ``General Preamble for the Implementation of Title I of the Clean Air Act Amendments of 1990'', 57 FR 13498, April 16, 1992. … 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; Maryland ; Control of Iron and Steel Production Installations

Federal Register · Rule · Sep 1, 2000

EPA is approving these revisions in accordance with the requirements of the Clean Air Act. … Air Act.

Approval and Promulgation of Implementation Plans; Revisions to the California State Implementation Plan; San Francisco Bay Area

Federal Register · Rule · Dec 28, 2023

Public Comments and EPA Responses The 30-day public comment period for the notice of proposed rulemaking closed on August 28, 2023. … 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; Maine; Transportation Conformity

Federal Register · Rule · Feb 8, 2008

This action is being taken in accordance with the Clean Air Act. DATES: This direct final rule will be effective April 8, 2008, unless EPA receives adverse comments by March 10, 2008. … Air Act.

Approval and Promulgation of Air Quality Implementation Plans; Commonwealth of Pennsylvania; Enhanced Motor Vehicle Inspection and Maintenance Program

Federal Register · Rule · Sep 16, 1998

Air Act. … under section 110 of the Clean Air Act.

Oral argument — Montana Environmental Info. v. Debra Thomas

Oral argument · Oral argument · Feb 14, 2018

the Clean Air Act. … If the court were to impose this new and hefty burden on EPA that is not mandated by the Clean Air Act, that would have enormous consequences on the national administration of the Clean Air Act.

Air Plan Approval; MO; Control of Emissions From Volatile Organic Liquid Storage

Federal Register · Rule · Oct 4, 2023

Missouri received ten comments from two sources during the comment period on 10 CSR 10-5.500. The EPA provided nine comments. … 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; District of Columbia, Maryland, Virginia; Post 1996 Rate-of-Progress Plans, One-Hour Ozone Attainment Demonstrations and Attainment Date Extension for the Metropolitan Washington D.C. Ozone Nonattainment Area

Federal Register · Rule · Jan 3, 2001

EPA's Extension Policy is inconsistent with Clean Air Act sections 179 (c) and (d). … is embodied in Clean Air Act provisions, in determining the applicable attainment date.

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

Federal Register · Rule · May 17, 2004

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. … Comment 8: Earthjustice argues that the District's offset equivalency tracking system fails to comply with “some of the most basic elements” of the Clean Air Act.