Documents

Appendix — City of Philadelphia v. Concerned Citizens

Supreme Court brief · Appendix · 1988

A-68 SECTION 110(a) OF THE CLEAN AIR ACT § 7410. … A-72 SECTION 304 OF THE CLEAN AIR ACT § 7604.

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

Federal Register · Rule · May 7, 2003

EPA is approving these revisions to establish VOC and NO X 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.

Approval and Promulgation of Air Quality Implementation Plans; North Carolina; Miscellaneous Revisions to the Forsyth County Local Implementation Plan

Federal Register · Rule · Feb 17, 2000

EPA is approving these revisions because they are consistent with the requirements set forth in the Clean Air Act as amended in 1990. … Final Action EPA is approving the aforementioned changes to the State Implementation Plan (SIP) because they are consistent with the Clean Air Act and EPA requirements.

Approval and Promulgation of Air Quality Implementation Plans; Connecticut; One-Hour Ozone Attainment Demonstration and Attainment Date Extension for the Greater Connecticut 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.

Approval and Promulgation of Air Quality Implementation Plans; Maine; Redesignation of the Portland, Maine Moderate Ozone Nonattainment Area to Attainment, Determination of Attainment and Approval of the Associated Maintenance Plan; or Determination of Nonattainment as of November 15, 1997 and Reclassification of the Portland, Maine Area

Federal Register · Proposed Rule · Sep 17, 2002

Air Act (CAA). … Air Act.

Protection of Stratospheric Ozone: Listing of Substitutes for Ozone-Depleting Substances

Federal Register · Rule · Oct 16, 1996

Under sections 608 and 609 of the Clean Air Act, it is illegal to vent any alternative refrigerant. … Regulations regarding recycling and reclamation issued under section 609 of the Clean Air Act apply to this blend.

Air Plan Approval; Vermont; Regional Haze Five-Year Progress Report

Federal Register · Rule · Dec 18, 2017

Vermont's SIP revision addresses requirements of the Clean Air Act (CAA) and EPA's rules that require states to submit periodic reports describing the progress toward reasonable progress goals (RPGs) established … 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 Implementation Plans; Oregon

Federal Register · Rule · Aug 31, 2000

These actions are taken at the request of the Governor of Oregon in response to Clean Air Act (Act) requirements and EPA regulations. … Air Act.

Determination of Attainment of Ozone Standard by Ashland, Kentucky, Northern Kentucky (Cincinnati Area), Charlotte, North Carolina, and Nashville, Tennessee, and Determination Regarding Applicability of Certain Reasonable Further Progress and Attainment Demonstration Requirements

Federal Register · Rule · Jun 22, 1995

Background Subpart 2 of Part D of Title I of the Clean Air Act (CAA) contains various air quality planning and state implementation plan (SIP) submission requirements for ozone nonattainment areas … 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 21, 1995.

Revisions of the Nonattainment Designation for the 2008 and 2015 Ozone Standards and Clean Data Determinations for the 2008 and 2015 Ozone Standards: Cecil County, MD and New Castle County, DE

Federal Register · Rule · Jun 4, 2026

The comment period for the proposal ran from January 2, 2026 to February 9, 2026, which included a 7-day comment period extension. … of 1995 (15 U.S.C. 272 note) because application of those requirements would be inconsistent with the Clean Air Act.

Amicus Curiae Brief — American Chemistry Council v. Sierra Club

Supreme Court brief · Amicus Curiae Brief · 2010

Cir. 2005) (upholding EPA’s use of ten-year period for use of plantwide applicability limits under Clean Air Act’s New Source Review program). … The Clean Air Act is intended to address this nation’s air pollution problems. 42 U.S.C. §7401(b).

Air Plan Approval; Washington; Infrastructure Requirements for the 2010 Sulfur Dioxide and 2015 Ozone Standards

Federal Register · Rule · Feb 18, 2021

SUMMARY: Whenever the Environmental Protection Agency (EPA) promulgates a new or revised National Ambient Air Quality Standard (NAAQS), the Clean Air Act requires each state to make a State Implementation … Page, Director, Office of Air Quality Planning and Standards. “Guidance on Infrastructure State Implementation Plan (SIP) Elements under Clean Air Act Section 110(a)(1) and 110(a)(2).”

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Redesignation of the Pittsburgh-Beaver Valley 8-Hour Ozone Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan and 2002 Base Year Inventory

Federal Register · Proposed Rule · Jul 11, 2007

The public comment period will end at the same time as the public comment period for this proposed rule. … Air Act.

Approval and Promulgation of State Implementation Plans; New York; Emission Statement Certification of the 2008 and 2015 Ozone National Ambient Air Quality Standards

Federal Register · Rule · Aug 14, 2025

These actions are being taken in accordance with the requirements of the Clean Air Act (CAA). The EPA proposed to approve this SIP revision on May 8, 2025, and received no comments. … What comments were received in response to the EPA's proposed action? The EPA provided a 30-day review and comment period for the May 8, 2025, proposed rule.

Revisions to the California State Implementation Plan, South Coast Air Quality Management District

Federal Register · Proposed Rule · Jan 12, 2012

Rule 317 is a local rule submitted to address section 185 of the Clean Air Act (CAA or Act). … On February 4, 2011, SCAQMD adopted Rule 317, “Clean Air Act Non-attainment Fee,” to meet the requirements of CAA section 185.

Rescission of Clean Data Determination and Call for Attainment Plan Revision for the Yuma, AZ 1987 PM10 Moderate Nonattainment Area

Federal Register · Proposed Rule · Oct 19, 2021

Air Act (CAA) section 188(c)(1) was December 31, 1994 (approximately four years from the original designation). 2 We proposed a deadline for reasonably available control measures to be fully implemented … We will consider all comments received during both the initial comment period and this second comment period before taking final action.

Approval and Promulgation of Air Quality Implementation Plans; Maryland; New Source Review Regulations

Federal Register · Uncategorized Document · May 25, 1994

Air Act (CAA). … This action is being taken in accordance with the provisions of section 110 of the Clean Air Act. DATES: Comments must be received on or before June 24, 1994.

Second External Review Draft Integrated Science Assessment for Oxides of Nitrogen, Oxides of Sulfur, and Particulate Matter-Ecological Criteria

Federal Register · Notice · Jun 26, 2018

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 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

Approval and Promulgation of Air Quality Implementation Plans; State of Colorado; Second 10-Year Carbon Monoxide Maintenance Plan for Colorado Springs

Federal Register · Rule · Aug 1, 2013

or refer to the Clean Air Act, unless the context indicates otherwise. … (See Clean Air Act section 307(b)(2).)

General Permits and Permits by Rule for the Federal Minor New Source Review Program in Indian Country for Five Source Categories

Federal Register · Rule · May 1, 2015

Air Act (CAA). … to Emit (PTE) of a Stationary Source Under Section 112 and Title V of the Clean Air Act (Act),” from John S.