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Air Plan Approval; Ohio; Second Maintenance Plan for 2008 Ozone NAAQS

Environmental Protection Agency

Federal Register summary (shortened to 600 characters)

The Environmental Protection Agency (EPA) is approving revisions to the Ohio State Implementation Plan (SIP). On November 6, 2024, the Ohio Environmental Protection Agency (Ohio EPA) submitted the State's plans for maintaining the 2008 ozone National Ambient Air Quality Standard (NAAQS or standard) in the Columbus, Ohio; Cleveland- Akron-Lorain, Ohio; and Cincinnati, Ohio-Kentucky-Indiana areas. The EPA is approving these maintenance plans because they provide for the maintenance of the 2008 ozone NAAQS for each area for 10 additional years as required by the Clean Air Act (CAA). The EPA is…

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Document number
2026-02822
Published
Thu, Feb 12, 2026
Effective
Mon, Mar 16, 2026
First on the line
Oct 10, 2026, 10:00 PM