The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the Commonwealth of Pennsylvania. The revision was submitted by the Pennsylvania Department of Environmental Protection (PADEP) to establish and require reasonably available control technology (RACT) for sources at Hydro Carbide Tool Company (Hydro Carbide), a major source of volatile organic compounds (VOC), pursuant to the Commonwealth of Pennsylvania's conditionally approved RACT regulations.

The Environmental Protection Agency (EPA) is approving a revision to the New York State Implementation Plan (SIP) for the purposes of implementing control of air pollution for volatile organic compounds (VOC). The SIP revision consists of amendments to New York's Codes, Rules and Regulations (NYCRR) that implement control measures for Consumer Products. The intended effect of this action is to approve control strategies which will result in VOC emission reductions that will help attain and maintain the national ambient air quality standards (NAAQS) for ozone.

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) is proposing approval of revisions to the Missouri State Implementation Plan (SIP) received on November 29, 2016, and March 7, 2019. The revision was submitted by Missouri in response to a finding of substantial inadequacy and SIP call published on June 12, 2015, for a provision in the Missouri SIP related to excess emissions during startup, shutdown, and malfunction (SSM) events. In the submissions, Missouri requests to revise a regulation related to restriction of emissions of visible air contaminants.