Data / Federal rules / 2025-16484

Air Plan Approval; Ohio; 2015 Ozone Moderate Reasonably Available Control Technology SIP

The Environmental Protection Agency published this proposed rule in the Federal Register on August 28, 2025. Comments closed on September 29, 2025.

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What the agency says

The Environmental Protection Agency (EPA) is proposing to approve revisions to Ohio Administrative Code (OAC) Chapters 3745-21 and 3745-110 into the Ohio State Implementation Plan (SIP). The Ohio Environmental Protection Agency ("Ohio" or "Ohio EPA") submitted these revisions on March 30, 2022, and supplemented the submittal on February 1, 2023, and August 28, 2023. EPA is proposing to approve parts of OAC Chapters 3745-21 and 3745-110 as satisfying some of the Moderate Volatile Organic Compound (VOC) Reasonably Available Control Technology (RACT) and Nitrogen Oxide (NO<INF>x</INF>) RACT requirements for the Cleveland, OH nonattainment area (Cuyahoga, Geauga, Lake, Lorain, Medina, Portage, and Summit counties) under the 2015 ozone National Ambient Air Quality Standard ("NAAQS" or "standard"). Finally, EPA is proposing to approve OAC rule 3745-15-03, submitted by Ohio on February 9, 2023, and supplemented on December 1, 2023, and December 30, 2024.

Key facts

Document number: 2025-16484
Type: Proposed rule
Action: Proposed rule
Agency: Environmental Protection Agency
Published: August 28, 2025
Comments due: September 29, 2025
Dates: Comments must be received on or before September 29, 2025.
Docket: EPA-R05-OAR-2022-0352; EPA-R05-OAR-2023-0093; FRL-9995-01-R5
Code of Federal Regulations: 40 CFR 52
Topics: Air pollution control; Environmental protection; Incorporation by reference; Intergovernmental relations; Nitrogen dioxide; Ozone; Volatile organic compounds
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 August 2025

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