The Environmental Protection Agency (EPA) is approving, 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 make changes to facility information, remove requirements for shutdown facilities and units, consolidate county-wide requirements, and revise requirements for the Veolia Fort Hill plant in Miami, Ohio and the DTE St. Bernard facility in Cincinnati, Ohio.

The Environmental Protection Agency (EPA) is approving in part, conditionally approving in part, and disapproving in part a state implementation plan (SIP) revision submitted by the State of Nevada pursuant to the requirements of the Clean Air Act (CAA or ``Act'') for the implementation, maintenance, and enforcement of the 2015 national ambient air quality standards (NAAQS) for ozone. As part of this action, we are reclassifying a region of the State for emergency episode planning purposes with respect to ozone. Finally, we are approving a regulatory revision into the Nevada SIP.

The Environmental Protection Agency (EPA) is taking final action 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.

The Environmental Protection Agency (EPA) is approving State Implementation Plan (SIP) rule revisions submitted by the Illinois Environmental Protection Agency (IEPA or Illinois) on April 13, 2021, and supplemented by a Clean Air Act (CAA) section 110(l) demonstration submitted on October 6, 2022. Illinois requests that EPA approve rule revisions related to control of volatile organic compound (VOC) emissions from aerospace manufacturing and rework facilities into Illinois' SIP.