Data / Federal rules / 2026-02822

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

The Environmental Protection Agency published this final rule in the Federal Register on February 12, 2026. It took effect on March 16, 2026.

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What the agency says

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 also finding adequate and approving the motor vehicle emission budgets for each area. This approval makes certain commitments related to maintenance of the 2008 ozone NAAQS in these areas federally enforceable as part of the Ohio SIP.

Key facts

Document number: 2026-02822
Type: Final rule
Action: Final rule
Agency: Environmental Protection Agency
Published: February 12, 2026
Takes effect: March 16, 2026
Dates: This final rule is effective on March 16, 2026.
Docket: EPA-R05-OAR-2024-0537; EPA-R05-OAR-2024-0538; EPA-R05-OAR-2024-0539; FRL-12534-02-R5
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen oxides; Ozone; Volatile organic compounds
Pages: 8

The document on federalregister.gov PDF

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Everything from the Environmental Protection Agency · Rules on air pollution control · Rules on environmental protection · Rules on incorporation by reference · Published in February 2026

Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.