The Environmental Protection Agency (EPA) is proposing to approve a state implementation plan (SIP) revision submitted by the Commonwealth of Virginia. This revision pertains to the Commonwealth's plan, submitted by the Virginia Department of Environmental Quality (VADEQ), for maintaining the 1997 8-hour ozone national ambient air quality standards (NAAQS) (referred to as the ``1997 ozone NAAQS'') in the Richmond, Virginia Area (Richmond-Petersburg Area). This action is being taken under the Clean Air Act (CAA).