Documents

Use of Ozone-Depleting Substances

Federal Register · Proposed Rule · Oct 26, 2016

Air Act. … under the Clean Air Act.

Approval and Promulgation of Air Quality Implementation Plans; State of Montana; Missoula Carbon Monoxide Redesignation to Attainment, Designation of Areas for Air Quality Planning Purposes, and Approval of Related Revisions

Federal Register · Proposed Rule · Apr 25, 2007

Consideration of Section 110(l) of the Clean Air Act VII. Proposed Action VIII. … or refer to the Clean Air Act, unless the context indicates otherwise.

Approval and Promulgation of Air Quality Implementation Plan; Missouri; Proposed Disapproval of Interstate Transport State Implementation Plan Revision for the 2006 24-Hour PM2.5 NAAQS

Federal Register · Proposed Rule · Mar 18, 2011

Make sure to submit your comments by the comment period deadline identified. II. What is the background for this action? … In reviewing SIP submissions, EPA's role is to approve or disapprove state choices, based on the criteria of the Clean Air Act.

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

Federal Register · Proposed Rule · Apr 24, 2002

We are proposing to approve a local rule to regulate these emission sources under the Clean Air Act as amended in 1990 (CAA or the Act). … Air Act. 6.

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.

Project XL Site-specific Rulemaking for Merck & Co., Inc. Stonewall Plant

Federal Register · Proposed Rule · Mar 31, 1997

Clean Air Act Requirements A. … Act means the Clean Air Act, as amended, 42 U.S.C. 7401, et seq.

Air Plan Approval; Washington; Southwest Clean Air Agency; Emission Standards and Controls for Sources Emitting Gasoline Vapors

Federal Register · Proposed Rule · Aug 10, 2023

In 1979, under section 109 of the Clean Air Act (CAA or the Act), the EPA established the primary and secondary National Ambient Air Quality Standards (NAAQS) for ozone at 0.12 parts per million (ppm) … 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 Implementation Plans; Carbon Monoxide State Implementation Plan Revision States of New York, New Jersey and Connecticut

Federal Register · Proposed Rule · Feb 12, 1996

ACTION: Solicitation of Comment. ----------------------------------------------------------------------- SUMMARY: Section 211(m) of the Clean Air Act requires that the Administrator determine the period … Section 211(m) of the Clean Air Act (Act) requires certain states with areas that are nonattainment for the CO National Ambient Air Quality Standards to implement oxygenated gasoline programs for the period

Clean Data Determination; Salt Lake City, Utah 2006 Fine Particulate Matter Standards Nonattainment Area

Federal Register · Proposed Rule · Jun 5, 2019

The proposed determination is based upon quality-assured, quality-controlled, and certified ambient air monitoring data for the period 2016-2018, available in the EPA's Air Quality System (AQS) database … Air Act (CAA or the Act) requirements related to attainment of the NAAQS for this area is not applicable for as long as the area continues to attain the NAAQS.

Source Specific Federal Implementation Plan for Navajo Generating Station; Navajo Nation

Federal Register · Proposed Rule · Sep 8, 1999

The Clean Air Act Amendments of 1990 greatly expanded the role of Indian tribes in implementing the provisions of the Clean Air Act in Indian country. … (7) Nothing herein shall limit EPA's ability to ask for a test at any time under section 114 of the Clean Air Act, 42 U.S.C. 7413, and enforce against any violation of the Clean Air Act or this section

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; Montana; Maintenance of Air Pollution Control Equipment for Existing Aluminum Plants

Federal Register · Proposed Rule · Oct 29, 2003

This action is being taken under section 110 of the Clean Air Act. DATES: Written comments must be received on or before November 28, 2003. … or refer to the Clean Air Act, unless the context indicates otherwise.

Approval and Promulgation of Implementation Plans; New Jersey Emission Statement Program

Federal Register · Proposed Rule · Dec 9, 2003

What Is Required by the Clean Air Act and How Does It Apply to New Jersey? … title I of the Clean Air Act, as amended in 1990 (the Act).

Revisions to the General Conformity Regulations

Federal Register · Proposed Rule · Mar 3, 2008

This rulemaking action was published in the Federal Register on January 8, 2008 and proposes to revise EPA's regulations relating to the Clean Air Act (CAA) requirements that Federal Actions conform … SUPPLEMENTARY INFORMATION: The January 8, 2008, proposed rule proposes to revise its regulations relating to the Clean Air Act (CAA) requirement that Federal actions conform to the appropriate State

Clean Data Determination; 1997 8-Hour Ozone Standards; California; Sacramento Metro Area

Federal Register · Proposed Rule · Sep 14, 2026

If we finalize this CDD, certain Clean Air Act (CAA) requirements that apply to the Sacramento Metro area will be suspended for so long as the area continues to attain the 1997 8-hour ozone NAAQS. … While this list may not be exhaustive, for ease of reading and for reference purposes, the EPA defines the following terms and acronyms here: AQS—Air Quality System CAA—Clean Air Act CARB—California

Determination of Attainment of the 1997 8-Hour Ozone Standard for Imperial County, CA

Federal Register · Proposed Rule · Sep 23, 2009

This determination was based on ambient air quality data from the 2004-2006 monitoring period. … Air Act.

Approval and Promulgation of State Implementation Plans and Designation of Areas for Air Quality Planning Purposes: Ada County/Boise, ID Area

Federal Register · Proposed Rule · Jul 30, 2003

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.

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

Federal Register · Proposed Rule · May 22, 1996

If such a hearing is requested, it will be held on June 6, 1996, and the comment period would then be extended to July 8, 1996. … Statutory Requirements Section 612 of the Clean Air Act authorizes EPA to develop a program for evaluating alternatives to ozone-depleting substances.

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Redesignation of the Greene County 8-Hour Ozone Nonattainment Area to Attainment and Approval of the Maintenance Plan and 2002 Base-Year Inventory

Federal Register · Proposed Rule · Jul 16, 2008

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 Maintenance Plan and Designation of Area For Air Quality Planning Purposes for Carbon Monoxide; State of Arizona

Federal Register · Proposed Rule · Dec 17, 1999

Air Act. … The Clean Air Act forbids EPA to base its actions concerning SIPs on such grounds. Union Electric Co., v. U.S. EPA, 427 U.S. 246, 255-66 (1976); 42 U.S.C. 7410(a)(2). F.