Proposed rule · 2025-21321

Air Plan Approval; Ohio; Emergency Episodes and Ambient Air Quality Standards

The Environmental Protection Agency (EPA) is proposing to approve amendments to Ohio Administrative Code (OAC) Chapter 3745-25, Emergency Episodes and Ambient Air Quality Standards, into Ohio's State Implementation Plan (SIP). The amendments to the rule include minor style changes, correct typographical errors, and update publication and referenced material titles, effective dates, and addresses.