Environmental Protection Agency Docket EPA-R05-OAR-2019-0216 Proposed Rule

2019-14246: Air Plan Approval; Ohio; Second Maintenance Plan for 1997 Ozone NAAQS; Dayton-Springfield

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Summary

The Environmental Protection Agency (EPA) is proposing to approve under the Clean Air Act (CAA), as a revision to the Ohio State Implementation Plan (SIP), the State's plan for maintaining the 1997 ozone National Ambient Air Quality Standard (NAAQS or standard) through 2028 in the Dayton-Springfield area. The Dayton-Springfield area consists of Clark, Greene, Miami and Montgomery Counties. The Ohio Environmental Protection Agency (Ohio EPA) submitted this SIP revision to EPA on April 12, 2019.

The agency’s own summary, as published.

What this changes

Amends 1 part of the Code of Federal Regulations — the standing rules this notice rewrites.

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