The Environmental Protection Agency (EPA) is approving most elements of a State Implementation Plan (SIP) submission from Minnesota regarding the infrastructure requirements of section 110 of the Clean Air Act (CAA) for the 2015 ozone National Ambient Air Quality Standards (NAAQS). The infrastructure requirements are designed to ensure that the structural components of each state's air quality management program are adequate to meet the state's responsibilities under the CAA. EPA proposed this action on May 24, 2022 and received no comments.

The Environmental Protection Agency (EPA) is taking final action to approve revisions, under the Clean Air Act (CAA or ``Act''), to portions of the Arizona, California, and Nevada State Implementation Plans (SIPs) regarding emissions statements (ES) requirements for the 2015 ozone national ambient air quality standards (NAAQS). We are also taking final action to approve ES certifications (``certifications'') adopted by various California air districts that existing SIP-approved rules are adequate to meet the ES requirements for the 2015 ozone NAAQS.

The Environmental Protection Agency (EPA) is taking final action to approve a revision to the State Implementation Plan (SIP) for the State of Missouri. This final action will amend the SIP to remove a rule related to control of emissions from bakery ovens in St. Louis City and Jefferson, St. Charles, Franklin, and St. Louis Counties. The EPA's approval of this rule revision is in accordance with the requirements of the Clean Air Act (CAA).

Pursuant to the Federal Clean Air Act (CAA, the Act), the Environmental Protection Agency (EPA) is proposing to approve a State Implementation Plan (SIP) revision submitted by the State of Louisiana, through the Louisiana Department of Environmental Quality (LDEQ), on November 20, 2016. The submittal is in response to the EPA's national SIP call of June 12, 2015, concerning excess emissions during periods of Startup, Shutdown, and Malfunction (SSM). The submittal requests the removal of certain provisions identified in the 2015 SIP call from the Louisiana SIP.