Documents

Science Advisory Board Staff Office; Clean Air Scientific Advisory Committee (CASAC); Notification of Advisory Meeting of the CASAC Ambient Air Monitoring and Methods (AAMM) Subcommittee

Federal Register · Notice · Aug 30, 2005

SUPPLEMENTARY INFORMATION: CASAC and the AAMM Subcommittee: The CASAC, which comprises seven members appointed by the EPA Administrator, was established under section 109(d)(2) of the Clean Air Act … Section 109(d) of the Act subsequently requires periodic review and, if appropriate, revision of existing air quality criteria to reflect advances in scientific knowledge on the effects of the pollutant

Air Plan Approval; Colorado; Denver Metro/North Front Range Nonattainment Area; Nonattainment NSR Permit Program Certification for the 2015 8-Hour Ozone Standard

Federal Register · Rule · May 13, 2022

The EPA is taking this action pursuant to sections 110, 172, 173, and 182 of the Clean Air Act (CAA). DATES: This rule is effective on June 13, 2022. … Plan Approval; Texas; Clean Air Act Requirements for Nonattainment New Source Review and Emission Statements for the 2015 Ozone National Ambient Air Quality Standards, 86 FR 50456 (September 9, 2021).

Approval and Promulgation of Air Quality Implementation Plans; Wisconsin

Federal Register · Rule · Sep 22, 2006

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. … 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 November 21, 2006.

Approval and Promulgation of Air Quality Implementation Plans: South Carolina; Approval of Section 110(a)(1) Maintenance Plan for the 1997 8-Hour Ozone Standard for Cherokee County

Federal Register · Rule · Jun 1, 2009

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—hereafter referred to as “ Wegman Memorandum … 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 July 31, 2009.

Issuance of Part 71 Federal Operating Air Permit for Turning Stone Resort and Casino, Oneida Indian Nation; Notice of Final Action

Federal Register · Notice · Nov 18, 2025

DATES: The EPA issued Part 71 Federal Operating Air Permit No. ONEIDA004 to Turning Stone Resort and Casino on September 11, 2025 under Title V of the Clean Air Act and 40 CFR part 71. … During the public comment period, which ended on August 18, 2025, we did not receive any comments.

Approval and Promulgation of State Implementation Plans; California State Implementation Plan Revision, Placer County Air Pollution Control District, El Dorado County Air Pollution Control District, Ventura County Air Pollution Control District, Yolo-Solano Air Quality Management District, and Mojave Desert Air Quality Management District

Federal Register · Proposed Rule · Apr 30, 1996

The intended effect of proposing approval of these rules is to regulate emissions of VOCs in accordance with the requirements of the Clean Air Act, as amended in 1990 (CAA or the Act). … The EPA will not institute a second comment period on this document. Any parties interested in commenting on this action should do so at this time.

Approval and Promulgation of Implementation Plans; New York; Nitrogen Oxides Budget and Allowance Trading Program

Federal Register · Proposed Rule · Oct 14, 1999

under the Clean Air Act (the Act) Make New York's NOX Budget Trading Program federally-enforceable and available for credit toward the attainment SIP. … The rule affects only one State, and does not alter the relationship or the distribution of power and responsibilities established in the Clean Air Act.

Air Plan Approval; Missouri; Start-Up, Shutdown, and Malfunction Conditions

Federal Register · Proposed Rule · Apr 7, 2022

EPA analyzed specific SSM SIP provisions and explained how each one either did or did not comply with the Clean Air Act (CAA) with regard to excess emission events. 1 EPA finalized this proposed action … Statutory and Executive Order Reviews Under the Clean Air Act (CAA), the Administrator is required to approve a SIP submission that complies with the provisions of the Act and applicable Federal regulations

Approval and Promulgation of Air Quality Implementation Plans; Connecticut; VOC Regulations and One-Hour Ozone Attainment Demonstration Shortfall

Federal Register · Rule · Aug 31, 2006

EPA is taking this action in accordance with the Clean Air Act (CAA). … Therefore, the new Section 22a-174-30 meets the Clean Air Act anti-backsliding requirement.

Approval and Promulgation of Air Quality Implementation Plans; Pennsylvania; Approval of Source-Specific VOC and NOINFX RACT and Synthetic Minor Permit Conditions

Federal Register · Rule · Feb 12, 1996

This action is being taken under section 110 of the Clean Air Act. … Air Act.

Approval and Promulgation of Implementation Plans and Operating Permits Program; State of Kansas

Federal Register · Rule · Feb 8, 2008

EPA's review of the material submitted indicates the state has amended the air quality rules in accordance with the requirements of the Clean Air Act. … EPA's review of the material submitted indicates the state has amended the air quality rules in accordance with the requirements of the Clean Air Act.

Air Plan Approval and Air Quality Designation; New Hampshire; Redesignation of the Central New Hampshire Sulfur Dioxide Nonattainment Area

Federal Register · Rule · Sep 20, 2019

This action is being taken under the Clean Air Act. DATES: This rule is effective on September 20, 2019. … EPA received no public comments during the public comment period in response to the NPRM. II.

Approval and Promulgation of Air Quality Plans; Illinois; Post-1996 Rate of Progress Plan for the Chicago Ozone Nonattainment Area

Federal Register · Rule · Dec 18, 2000

A post-1996 ROP plan is required for the Chicago ozone nonattainment area under the Clean Air Act (Act). … Air Act.

Approval and Promulgation of Air Quality Implementation Plans; Maryland; One-Hour Ozone Attainment Demonstration Plan for the Baltimore Ozone Nonattainment Area

Federal Register · Proposed Rule · Sep 7, 2001

This action is being taken in accordance with the Clean Air Act. DATES: Written comments must be received on or before October 9, 2001. … Opening of the Public Comment Period The EPA is opening a comment period for 30 days to take comment on Maryland's August 20, 2001 RACM submittal.

Air Plan Approval; New Hampshire; Updates to Enhanced Motor Vehicle Inspection and Maintenance Program Regulation

Federal Register · Rule · Sep 25, 2018

This action is being taken in accordance with the Clean Air Act. DATES: This rule is effective on October 25, 2018. … Response to Comments The EPA received one comment during the comment period, which discussed subjects outside the scope of this SIP action, does not explain (or provide a legal basis for) how the proposed

Public Meetings of the Clean Air Scientific Advisory Committee (CASAC) on Oxides of Nitrogen

Federal Register · Notice · Aug 27, 2026

SUPPLEMENTARY INFORMATION: Background: The CASAC was established pursuant to the Clean Air Act (CAA) Amendments of 1977, codified at 42 U.S.C. 7409(d)(2), to review air quality criteria and NAAQS … Section 109(d)(1) of the Clean Air Act (CAA) requires that EPA carry out a periodic review and revision, as appropriate, of the air quality criteria and the NAAQS for the six “criteria” air pollutants,

Approval and Promulgation of Implementation Plans; Wyoming; Revisions to SO2 Ambient Standards

Federal Register · Rule · Jul 31, 2015

This action is being taken in accordance with section 110 of the Clean Air Act (CAA). … Make sure to submit your comments by the comment period deadline identified. II.

Approval and Promulgation of Air Quality Implementation Plans; West Virginia; Attainment Demonstration for the Eastern Panhandle Region Ozone Early Action Compact Area

Federal Register · Rule · Aug 17, 2005

This action is being taken under the Clean Air Act (CAA or Act). DATES: This final rule is effective on September 16, 2005. … In the April 30, 2004, final rule, EPA responded to comments received during the comment period for this final rule.

Approval and Promulgation of Implementation Plans; Reasonably Available Control Technology for Oxides of Nitrogen for the State of New York

Federal Register · Rule · Apr 28, 2000

The State submitted this portion of the implementation plan to satisfy Clean Air Act (the Act) requirements for adoption of rules for the application of reasonably available control technology (RACT) for … Air Act.

Science Advisory Board Staff Office; Clean Air Scientific Advisory Committee (CASAC); CASAC Ozone Review Panel; Notification of Public Advisory Committee Meeting (Teleconference)

Federal Register · Notice · Sep 19, 2005

SUPPLEMENTARY INFORMATION: Background: Under section 108 of the Clean Air Act (CAA or Act), the Agency is required to establish National Ambient Air Quality Standards (NAAQS) for each pollutant for … The CASAC, which is comprised of seven members appointed by the EPA Administrator, was established under section 109(d)(2) of the Clean Air Act (CAA or Act) (42 U.S.C. 7409) as an independent scientific