Pursuant to the Federal Clean Air Act (CAA or the Act), the Environmental Protection Agency (EPA) is approving revisions to the Texas State Implementation Plan (SIP) applicable to the Dallas-Fort Worth (DFW) serious ozone nonattainment area for the 2008 ozone National Ambient Air Quality Standard (NAAQS). Specifically, the EPA is approving a revised 2011 base year emissions inventory (EI) for the DFW area.

The Environmental Protection Agency (EPA) is finalizing an update to a portion of the Outer Continental Shelf (OCS) Air Regulations. Requirements applying to OCS sources located within 25 miles of states' seaward boundaries must be updated periodically to remain consistent with the requirements of the corresponding onshore area (COA), as mandated by the Clean Air Act (CAA). The portion of the OCS air regulations that is being updated here pertains to the requirements for OCS sources for which the State of New York is the COA.

The Environmental Protection Agency (EPA) is taking final action to approve, through parallel processing, revisions to the Missouri State Implementation Plan (SIP) relating to the St. Louis area's vehicle Inspection and Maintenance (I/M) Program received on November 12, 2019, March 2, 2022, and May 24, 2022. In the submissions, Missouri requests the EPA's approval of revisions to a regulation and related plan that implement the St. Louis area's Inspection and Maintenance program called, Gateway Vehicle Inspection Program (GVIP).

The Environmental Protection Agency (EPA or the Agency) is disapproving State Implementation Plan (SIP) submissions from New York and New Jersey addressing interstate transport for the 2008 8-hour ozone national ambient air quality standards (NAAQS). The ``good neighbor'' or ``interstate transport'' provision of the Clean Air Act (CAA) requires that each state's SIP contain adequate provisions to prohibit emissions from within the state from significantly contributing to nonattainment or interfering with maintenance of the NAAQS in other states.