The Environmental Protection Agency (EPA) is approving a state implementation plan (SIP) revision submitted by the West Virginia Department of Environmental Protection (WVDEP) on behalf of the State of West Virginia. This revision pertains to the West Virginia's plan for maintaining the 1997 8-hour ozone national ambient air quality standard (NAAQS) for the West Virginia portion of the Steubenville- Weirton, OH-WV area (Weirton Area), comprising Brooke and Hancock Counties. EPA is approving these revisions to the West Virginia SIP in accordance with the requirements of the Clean Air Act (CAA).