Approval and Promulgation of Air Quality Implementation Plans; WV; Redesignation of the Weirton, WV Portion of the Steubenville-Weirton, OH-WV 8-Hour Ozone Nonattainment Area to Attainment and Approval of the Maintenance Plan

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EPA is proposing to approve a redesignation request and a State Implementation Plan (SIP) revision for the Weirton, West Virginia portion of the Steubenville-Weirton, OH-WV interstate area (herein referred to as the "Area") from nonattainment to attainment of the 8- hour ozone National Ambient Air Quality Standard (NAAQS). The West Virginia Department of Environmental Protection (WVDEP) is requesting that the Brooke and Hancock County, West Virginia (Weirton) portion of the area be redesignated as attainment for the 8-hour ozone NAAQS. The interstate 8-hour ozone nonattainment area is comprised of three counties (Brooke and Hancock Counties, West Virginia (Weirton) and Jefferson County, Ohio (Steubenville)). EPA is proposing to approve the ozone redesignation request for the Weirton portion of the area. In conjunction with its redesignation request, the WVDEP submitted a SIP revision consisting of a maintenance plan for Weirton that provides for continued attainment of the 8-hour ozone NAAQS for the next 12 years. EPA is proposing to make a determination that Weirton has attained the 8-hour ozone NAAQS based upon three years of complete, quality-assured ambient air quality ozone mo