Intergovernmental relations

Air Plan Approval; Wisconsin; 2015 Ozone Standard

The Environmental Protection Agency (EPA) is approving rules submitted by the Wisconsin Department of Natural Resources (WDNR) as a revision to its State Implementation Plan (SIP). The submitted rules incorporate the 2015 primary and secondary National Ambient Air Quality Standards (NAAQS) for ozone. In addition, WDNR included several updates to ensure implementation of the ozone NAAQS, in areas currently or formerly designated as nonattainment for any ozone standard, in a manner consistent with Clean Air Act (CAA) requirements.

Publication Date: 
Wednesday, February 1, 2023 - 4:00am

Air Plan Approval and Limited Approval-Limited Disapproval; California; Antelope Valley Air Quality Management District; Stationary Source Permits; New Source Review

The Environmental Protection Agency (EPA) is proposing approval, and a limited approval and limited disapproval of a revision to the Antelope Valley Air Quality Management District (AVAQMD or ``District'') portion of the California State Implementation Plan (SIP). The EPA is proposing to take action on nine rules submitted on August 3, 2021. We are proposing approval of three rules, and limited approval and limited disapproval of six rules.

Publication Date: 
Monday, January 30, 2023 - 4:00am

Air Plan Approval; California; San Diego County Air Pollution Control District; Oxides of Nitrogen

The Environmental Protection Agency (EPA) is proposing to approve a revision to the San Diego County Air Pollution Control District (SDCAPCD) portion of the California State Implementation Plan (SIP). This revision concerns emissions of oxides of nitrogen (NO<INF>X</INF>) from boilers, process heaters, and steam generators. We are proposing to approve a local rule to regulate 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: 
Monday, January 30, 2023 - 4:00am

Clean Air Plans; 2015 8-Hour Ozone Nonattainment Area Requirements; Clean Fuels or Advanced Control Technology for Boilers; San Joaquin Valley and Los Angeles-South Coast Air Basin, California

The Environmental Protection Agency (EPA) is proposing to approve revisions to the California State Implementation Plan (SIP) concerning the provisions for clean fuels or advanced control technology for boilers for the 2015 ozone national ambient air quality standards (``2015 ozone NAAQS'') in the San Joaquin Valley and Los Angeles--South Coast Air Basin, California (``South Coast'') ozone nonattainment areas.

Publication Date: 
Monday, January 30, 2023 - 4:00am

Air Plan Approval; Wisconsin; VOC RACT for Miscellaneous Industrial Adhesives and Miscellaneous Metal and Plastic Parts Coatings

The Environmental Protection Agency (EPA) is proposing to approve State Implementation Plan (SIP) revisions related to the volatile organic compound (VOC) reasonably available control technology (RACT), submitted by the Wisconsin Department of Natural Resources (``Wisconsin'' or ``WDNR'') on June 28, 2022.

Publication Date: 
Monday, January 30, 2023 - 4:00am

Reconsideration of the National Ambient Air Quality Standards for Particulate Matter

Based on the Environmental Protection Agency's (EPA's) reconsideration of the air quality criteria and the national ambient air quality standards (NAAQS) for particulate matter (PM), the EPA proposes to revise the primary annual PM<INF>2.5</INF> standard by lowering the level. The Agency proposes to retain the current primary 24-hour PM<INF>2.5</INF> standard and the primary 24-hour PM<INF>10</INF> standard.

Publication Date: 
Friday, January 27, 2023 - 4:00am

Air Plan Approval; Ohio; Sulfur Dioxide Regulations

The Environmental Protection Agency (EPA) is proposing to approve, under the Clean Air Act (CAA), revised sulfur dioxide (SO<INF>2</INF>) regulations submitted by Ohio on May 23, 2022. Ohio updated its regulations to correct facility information which has changed, remove requirements for shutdown facilities and units, update references, consolidate county-wide requirements, address style changes, and revise requirements for the Veolia Fort Hill plant in Miami, Ohio and DTE St. Bernard facility in Cincinnati, Ohio.

Publication Date: 
Thursday, January 26, 2023 - 4:00am

Air Plan Approval; IA; Electronic Submittal of Air Quality Information

The Environmental Protection Agency (EPA) is proposing to approve revisions to the Iowa State Implementation Plan (SIP) and the Operating Permit Program for the State of Iowa. The revisions require the electronic submittal of air emissions reporting, construction permit applications, and Title V permit applications, and make administrative updates. These revisions do not impact the stringency of the SIP or have an adverse effect on air quality. The EPA's proposed approval of this rule revision is being done in accordance with the requirements of the Clean Air Act (CAA).

Publication Date: 
Tuesday, January 24, 2023 - 4:00am

Control of Air Pollution From New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards

The Environmental Protection Agency (EPA) is finalizing a program to further reduce air pollution, including ozone and particulate matter (PM), from heavy-duty engines and vehicles across the United States. The final program includes new emission standards that are significantly more stringent and that cover a wider range of heavy-duty engine operating conditions compared to today's standards; further, the final program requires these more stringent emissions standards to be met for a longer period of when these engines operate on the road.

Publication Date: 
Tuesday, January 24, 2023 - 4:00am

Air Plan Approval; AK; Adoption and Permitting Rule Updates

The Environmental Protection Agency (EPA) is proposing to approve revisions to the Alaska State Implementation Plan submitted on May 16, 2022, and August 11, 2022. The revisions proposed for approval update Alaska's adoption by reference date for Federal regulations relied upon for implementation of the air program, including permitting requirements and air pollution test methods.

Publication Date: 
Wednesday, January 18, 2023 - 4:00am

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