Data / Federal rules / 2025-13344

Air Plan Approval; Ohio; Second Maintenance Plan for the Ohio Portion of the Campbell-Clermont, KY-OH SO2 Maintenance Area

The Environmental Protection Agency published this final rule in the Federal Register on July 16, 2025. It took effect on September 15, 2025. Comments closed on August 15, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is approving, under the Clean Air Act (CAA), the second 10-year maintenance plan submitted to EPA on November 7, 2024, by the Ohio Environmental Protection Agency (Ohio EPA) for the Ohio portion of the Campbell-Clermont Counties, Kentucky-Ohio maintenance area. The Ohio portion of this area consists of Pierce Township in Clermont County, Ohio. The plan addresses the second 10-year maintenance period for the 2010 sulfur dioxide (SO<INF>2</INF>) National Ambient Air Quality Standards (NAAQS). EPA is approving Ohio EPA's submittal for the area because it provides for the continued maintenance of the 2010 SO<INF>2</INF> NAAQS through the end of the second 10-year portion of the maintenance period.

Key facts

Document number: 2025-13344
Type: Final rule
Action: Direct final rule
Agency: Environmental Protection Agency
Published: July 16, 2025
Takes effect: September 15, 2025
Comments due: August 15, 2025
Dates: This direct final rule will be effective September 15, 2025, unless EPA receives adverse comments by August 15, 2025. If adverse comments are received, EPA will publish a timely withdrawal of the direct final rule in the Federal Register informing the public that the rule will not take effect.
Docket: EPA-R05-OAR-2024-0542; FRL-12793-03-R5
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Reporting and recordkeeping requirements; Sulfur oxides
Pages: 6

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 July 2025

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