Environmental Protection Agency
- 40 CFR Part 52
- [EPA-R05-OAR-2025-0013; FRL-13051-01-R5]
AGENCY:
Environmental Protection Agency (EPA).
ACTION:
Proposed rule.
SUMMARY:
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.
DATES:
Comments must be received on or before December 26, 2025.
ADDRESSES:
Submit your comments, identified by Docket ID No. EPA-R05-OAR-2025-0013 at https://www.regulations.gov or via email to Langman.Michael@epa.gov. For comments submitted at Regulations.gov, follow the online instructions for submitting comments. Once submitted, comments cannot be edited or removed from the docket. EPA may publish any comment received to its public docket. Do not submit electronically any information you consider to be Confidential Business Information (CBI), Proprietary Business Information (PBI), or other information whose disclosure is restricted by statute. Multimedia submissions (audio, video, etc.) must be accompanied by a written comment. The written comment is considered the official comment and should include discussion of all points you wish to make. EPA will generally not consider comments or comment contents located outside of the primary submission ( i.e. on the web, cloud, or other file sharing system). For additional submission methods, please contact the person identified in the FOR FURTHER INFORMATION CONTACT section. For the full EPA public comment policy, information about CBI, PBI, or multimedia submissions, and general guidance on making effective comments, please visit https://wwww.epa.gov/dockets/commenting-epa-dockets.
FOR FURTHER INFORMATION CONTACT:
Tyler Salamasick, Air and Radiation Division (AR-18J), Environmental Protection Agency, Region 5, 77 West Jackson Boulevard, Chicago, Illinois 60604, (312) 886-6206, Salamasick.Tyler@epa.gov. The EPA Region 5 office is open from 8:30 a.m. to 4:30 p.m., Monday through Friday, excluding Federal holidays.