Approval and Promulgation of Air Quality Implementation Plans for Air Quality Planning Purposes; Ohio

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The Environmental Protection Agency (EPA) proposes to conditionally approve revisions to the emission limitations, compliance methodologies, and compliance time schedules in Ohio's State Implementation Plan for sulfur dioxide (SO 2) as it applies to sources in Hamilton County. These revisions are being proposed in response to modeling analyses which have predicted violations of the SO 2 National Ambient Air Quality Standards (NAAQS) due to emissions from sources in Hamilton County. DATES: Comments on this requested revision and on the proposed EPA action must be received by February 28, 1994.