Approval and Promulgation of Air Quality Implementation Plans; Virginia; Stafford County Reasonably Available Control Technology Under the 8-Hour Ozone National Ambient Air Quality Standard

EPA is approving a State Implementation Plan (SIP) revision submitted by theCommonwealth of Virginia. This SIP revision fulfills Virginia's reasonably available control technology (RACT) requirements under the Clean Air Act (CAA or the Act) with respect to the 8-hour ozone national ambient air quality standard (NAAQS) in Stafford County. Virginia has fulfilled these requirements by submitting a certification that 1-hour ozone NAAQS RACT controls for sources in the Commonwealth subject to control technology guidelines (CTGs) and for a single major source not subject to any CTG, continue to represent RACT under the 8- hour NAAQS, and submitting a negative declaration demonstrating that no facilities exist in Stafford County that are subject to certain enumerated CTGs that have not been adopted by Virginia.