Intergovernmental relations

Federal “Good Neighbor Plan” for the 2015 Ozone National Ambient Air Quality Standards; Response to Judicial Stays of SIP Disapproval Action for Certain States

The Environmental Protection Agency (EPA) is taking interim final action to stay, for emissions sources in Arkansas, Kentucky, Louisiana, Mississippi, Missouri, and Texas only, the effectiveness of the federal implementation plan (FIP) requirements established to address the obligations of these and other states to mitigate interstate air pollution with respect to the 2015 national ambient air quality standards (NAAQS) for ozone (the Good Neighbor Plan).

Publication Date: 
Monday, July 31, 2023 - 4:00am

Air Plan Approval; West Virginia; 2022 Amendments to West Virginia's Ambient Air Quality Standards

The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the State of West Virginia. The revision updates West Virginia's incorporation by reference (IBR) of EPA's national ambient air quality standards (NAAQS) and the associated monitoring reference and equivalent methods. EPA is approving these revisions to the West Virginia SIP in accordance with the requirements of the Clean Air Act (CAA).

Publication Date: 
Thursday, July 27, 2023 - 4:00am

Disapproval and Promulgation of Air Quality Implementation Plans; Texas and Oklahoma; Regional Haze State Implementation Plans; Federal Implementation Plan for Regional Haze; Completion of Remand

Pursuant to the Federal Clean Air Act (CAA or Act), the Environmental Protection Agency (EPA) is proposing this action to address the voluntary remand of portions of a final rulemaking published in the Federal Register on January 5, 2016, addressing regional haze obligations for the first planning period in Texas and Oklahoma.

Publication Date: 
Wednesday, July 26, 2023 - 4:00am

Air Plan Approval; Michigan; DTE River Rouge

The Environmental Protection Agency (EPA) is approving a request submitted by the Michigan Department of Environment, Great Lakes, and Energy (EGLE) on January 12, 2023, and supplemented on April 19, 2023, to revise the Michigan state implementation plan (SIP) for particulate matter (PM). The revision updates the fugitive dust plan for the Detroit Edison--River Rouge Power Plant (DTE Energy) located in River Rouge, Michigan. The facility is no longer in operation and therefore, the plan eliminates requirements to reflect plant shut down.

Publication Date: 
Monday, July 24, 2023 - 4:00am

Air Approval Plan; Arkansas; Excess Emissions

Pursuant to the Federal Clean Air Act (CAA or Act), the Environmental Protection Agency (EPA) is proposing to approve two revisions to the Arkansas State Implementation Plan (SIP) submitted by the Governor of the State of Arkansas on May 12, 2022, and November 1, 2022. The revisions were submitted in response to a finding of substantial inadequacy and SIP call published by EPA on June 12, 2015, which included certain provisions in the Arkansas SIP related to excess emissions during startup, shutdown, and malfunction (SSM) events.

Publication Date: 
Friday, July 21, 2023 - 4:00am

Removal of Title V Emergency Affirmative Defense Provisions From State Operating Permit Programs and Federal Operating Permit Program

The Environmental Protection Agency (EPA) is removing the ``emergency'' affirmative defense provisions from the EPA's title V operating permit program regulations. These provisions established an affirmative defense that sources could have asserted in enforcement cases brought for noncompliance with technology-based emission limitations in operating permits, provided that the exceedances occurred due to qualifying emergency circumstances.

Publication Date: 
Friday, July 21, 2023 - 4:00am

Limited Approval, Limited Disapproval of California Air Plan Revisions, Mojave Desert Air Quality Management District

The Environmental Protection Agency (EPA) is proposing a limited approval and limited disapproval of revisions to the Mojave Desert Air Quality Management District (MDAQMD or ``the District'') portion of the California State Implementation Plan (SIP). This revision concerns particulate matter (PM) emissions from all sources of air pollution emissions in the District. We are proposing action on a local rule that regulates these emission sources under the Clean Air Act (CAA or ``the Act''). We are taking comments on this proposal and plan to follow with a final action.

Publication Date: 
Thursday, July 20, 2023 - 4:00am

Second 10-Year Maintenance Plan for the Coso Junction PM-10 Planning Area; California

The Environmental Protection Agency (EPA) is taking final action to approve the ``Coso Junction PM<INF>10</INF> Planning Area Second 10-Year Maintenance Plan'' (``Coso Junction Second Maintenance Plan'' or ``Plan'') as a revision to the state implementation plan (SIP) for the State of California. The Coso Junction Second Maintenance Plan includes, among other elements, a base year emissions inventory, a maintenance demonstration, and contingency provisions.

Publication Date: 
Thursday, July 13, 2023 - 4:00am

Air Plan Approval; South Carolina; Update to Materials Incorporated by Reference

The Environmental Protection Agency (EPA) is updating the materials that are incorporated by reference (IBR) into the South Carolina State Implementation Plan (SIP). The regulations affected by this update have been previously submitted by South Carolina and approved by EPA. In this rule, EPA is also notifying the public of corrections and clarifying changes to the Code of Federal Regulations (CFR) tables that identify material incorporated by reference into the South Carolina SIP.

Publication Date: 
Thursday, July 13, 2023 - 4:00am

Air Plan Approval; Ohio; Consumer Products Rule

The Environmental Protection Agency (EPA) is approving, under the Clean Air Act (CAA), a State Implementation Plan (SIP) revision submitted by the Ohio Environmental Protection Agency (Ohio EPA) on September 7, 2022. Ohio EPA requests that EPA approve revised volatile organic compounds (VOCs) control rules under Chapter 3745-112 of the Ohio Administrative Code (OAC) into Ohio's SIP. The revised rules will reduce emissions that contribute to ozone formation and assist with efforts to achieve and maintain the 2015 ozone National Ambient Air Quality Standard (NAAQS).

Publication Date: 
Monday, July 10, 2023 - 4:00am

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