Documents

Air Plan Approval; Illinois; Clean Data Determination for the Illinois Portion of the St. Louis Area for the 2015 Ozone Standard

Federal Register · Rule · Aug 13, 2026

SUMMARY: The Environmental Protection Agency (EPA) is determining under the Clean Air Act (CAA) that the Illinois portion of the St. … The EPA's Responses to Comments The public comment period on the EPA's proposed rule opened February 26, 2026, the date of its publication in the Federal Register and closed on March 30, 2026.

Approval and Promulgation of Air Quality Implementation Plans; Ohio: Bellefontaine; Determination of Attainment for the 2008 Lead Standard

Federal Register · Rule · Nov 5, 2013

SUMMARY: On April 19, 2013, the Ohio Environmental Protection Agency (Ohio EPA), submitted a request to EPA to make a determination under the Clean Air Act (CAA) that the Bellefontaine nonattainment area … All public comments received will then be addressed in a subsequent final rule based on the proposed action. EPA will not institute a second comment period.

Draft Integrated Science Assessment for Oxides of Nitrogen-Health Criteria

Federal Register · Notice · Mar 5, 2008

Information About the Document Section 108 (a) of the Clean Air Act directs the Administrator to identify certain pollutants that “may reasonably be anticipated to endanger public health and welfare” … The Clean Air Scientific Advisory Committee (CASAC), an independent science advisory committee mandated by the Clean Air Act and part of the EPA's Science Advisory Board (SAB), is charged with independent

Air Plan Approval; Iowa; State Implementation Plan and State Operating Permits Program

Federal Register · Rule · Apr 19, 2024

Statutory and Executive Order 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 … of 1995 (15 U.S.C. 272 note) because application of those requirements would be inconsistent with the Clean Air Act.

Air Plan Approval; Maryland; Clean Data Determination for the Baltimore, MD Nonattainment Area for the 2015 Ozone National Ambient Air Quality Standards

Federal Register · Rule · May 29, 2026

EPA's Response to Comments Received The EPA's January 23, 2026 NPRM opened a 30-day public comment period, which closed on February 23, 2026. 11 The EPA received one comment. … 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; Virginia; Revision to Clean Air Interstate Rule Sulfur Dioxide Trading Program

Federal Register · Rule · Oct 22, 2009

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; Massachusetts; Regional Haze State Implementation Plan for the Second Implementation Period

Federal Register · Rule · Jul 8, 2024

Air Act (CAA) and EPA's Regional Haze Rule for the program's second implementation period. … Clean Air Act legislative history or EPA Regional Haze Guidance.

Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Alabama; Redesignation of Birmingham Ozone Nonattainment Area to Attainment for Ozone

Federal Register · Proposed Rule · Jan 6, 2004

Air Act. … Air Act.

Approval and Promulgation of Air Quality Implementation Plans; Connecticut; Regional Haze State Implementation Plan for the Second Implementation Period

Federal Register · Rule · Sep 17, 2024

Air Act (CAA) and EPA's Regional Haze Rule for the program's second implementation period. … 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 Implementation Plans; State of New York; Clean Fuel Fleet Opt Out

Federal Register · Rule · Jan 6, 1995

Fuel Fleet program (CFFP) or a substitute program that meets the requirements of the Clean Air Act. … Air Act.

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

Federal Register · Proposed Rule · Aug 19, 2009

The EPA's Clean Air Act Advisory Committee (CAAAC) has recently asked EPA to review and address whether it is “legally permissible under either section 185 or 172(e) of the Clean Air Act for a State to … Air Act.

Air Plan Approval; Michigan; Permit To Install Public Hearing Provisions

Federal Register · Proposed Rule · Mar 27, 2019

Air Act. … 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; Massachusetts; Transit System Improvements

Federal Register · Proposed Rule · Dec 1, 2014

This action is being taken under the Clean Air Act. DATES: Written comments must be received on or before December 31, 2014. … Air Act requirement, thereby satisfying the requirements set forth in section 110(l) of the Clean Air Act.

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Redesignation of the Allentown-Bethlehem-Easton 8-hour Ozone Nonattainment Area to Attainment and Approval of the Maintenance Plan and 2002 Base-Year Inventory

Federal Register · Proposed Rule · Jan 7, 2008

(6) Clean fuels fleet program under section 183(c)(4) of the Clean Air Act. (7) Clean fuels for boilers under section 182(e)(3) of the Clean Air Act. … The public comment period will end at the same time as the public comment period for this proposed rule.

Approval and Promulgation of Air Quality Implementation Plans; Delaware; Revisions to Delaware's Motor Vehicle Emissions Inspection Program and Low Enhanced Inspection and Maintenance Program

Federal Register · Rule · Nov 26, 2003

EPA is approving these revisions to Delaware's SIP 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; Wyoming; Revisions to the Wyoming Air Quality Standards and Regulations

Federal Register · Rule · Apr 16, 2010

or refer to the Clean Air Act, unless the context indicates otherwise. … EPA's interpretation was and continues to be that the Clean Air Act requires that all periods of excess emissions be treated as violations that cannot be exempted from enforcement.

Approval and Promulgation of Air Quality Implementation Plans; California; Monterey Bay Region 8-Hour Ozone Maintenance Plan

Federal Register · Rule · Dec 17, 2009

110(a)(1) of the Clean Air Act,” dated May 20, 2005 (“Wegman Memorandum”). … Final Action and Request for Comment Under section 110(k) of the Clean Air Act, EPA is approving a revision to the Monterey Bay portion of the California SIP that was submitted to EPA on December 19

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

Federal Register · Rule · Mar 30, 2015

to the Clean Air Act, unless the context indicates otherwise. … Background Eight years after an area is redesignated to attainment, Clean Air Act (CAA) section 175A(b) requires the state to submit a subsequent maintenance plan to EPA, covering a second 10-year period

State of California; Request for Approval of Section 112(l) Authority for Hazardous Air Pollutants; Perchloroethylene Air Emission Standards From Dry Cleaning Facilities

Federal Register · Rule · Apr 1, 2011

Public Comments and EPA Responses EPA's proposed action provided a 30-day public comment period. During this period, we did not receive any comments. III. … Air Act

Air Plan Approval; New Hampshire; Conformity

Federal Register · Proposed Rule · Jan 28, 2022

This action is being taken in accordance with the Clean Air Act. DATES: Written comments must be received on or before February 28, 2022. … General Conformity is a requirement of section 176(c) of the Clean Air Act (CAA) Amendments of 1990.