Proposed rule · 2024-30717

Air Plan Approval; Ohio; Moderate Attainment Plan Elements for the Cleveland Area for the 2015 Ozone Standard

The Environmental Protection Agency (EPA) is proposing to approve the following portions of Ohio's State Implementation Plan (SIP) submission for the Cleveland 2015 ozone national ambient air quality standard (NAAQS or standard) Moderate nonattainment area: the base year emissions inventory, the reasonable further progress (RFP) demonstration, the motor vehicle inspection and maintenance (I/M) program, and the nonattainment new source review (NNSR) program. EPA is proposing to approve these portions of the State's submission as a SIP revision pursuant to section 110 and part D of the CAA and EPA's regulations. EPA is also initiating the adequacy process and proposing approval of the 2023 motor vehicle emissions budgets (budgets) associated with the Cleveland Moderate ozone nonattainment RFP demonstration.