Air Plan Approval; Ohio; Ohio Permit Rules Revisions

What it does

The Environmental Protection Agency (EPA) is approving revisions to Ohio air permitting rules into the State Implementation Plan (SIP) under the Clean Air Act (CAA). These revisions represent changes to the air permitting rules the Ohio Environmental Protection Agency (Ohio EPA) adopted on March 1, 2023, and July 25, 2025, which became effective at the State level on March 11, 2023, and August 14, 2025, respectively. These revisions will result in consistent requirements of rules at both the State and Federal level. The EPA proposed to approve this action on January 9, 2026, and received no adverse comments.

The Environmental Protection Agency's summary, as published in the Federal Register.

What changed in the regulation

1 part of Title 40 of the Code of Federal Regulations:

40 CFR 52

Wording on eCFR: the day before it took effect and from the day it took effect (first part listed).

Compared with

The Environmental Protection Agency has published 245 final rules in 2026 so far, compared with 263 in all of 2025.

Counted by the Tribune from Federal Register records since Jan. 1, 2025.

What happens next and when

This final rule is effective on May 4, 2026.

The agency's dates, word for word.

Check it yourself

• The document in the Federal Register
• Docket EPA-R05-OAR-2025-0143 on Regulations.gov
• Title 40 on eCFR

The record as published

Source: the Federal Register (public domain). The document in the Federal Register