Approval and Promulgation of Air Quality Implementation Plans; Designation of Areas for Air Quality Planning Purposes; Redesignation of the Greenbrier County WV Ozone Nonattainment Area to Attainment and Approval of the Area's Maintenance Plan and Emissions Inventory

EPA is approving a redesignation request and two State Implementation Plan (SIP) revisions submitted by the State of West Virginia. The first SIP revision is the 1990 base year ozone inventory for Greenbrier County. The second SIP revision establishes and requires a maintenance plan for the Greenbrier County area including contingency measures which provide for continued attainment of the ozone National Ambient Air Quality Standard (NAAQS). The intended effect of this action is to approve the 1990 base year ozone inventory, a redesignation request and the maintenance plan for Greenbrier County. On December 22, 1992 the West Virginia Department of Commerce, Labor & Environmental Resources submitted an ozone inventory for 1990. On September 9, 1994, the West Virginia Division of Environmental Protection (WVDEP) submitted a request to redesignate Greenbrier County from nonattainment to attainment. On September 9, 1994, the WVDEP also submitted a maintenance plan for Greenbrier County as a revision to the West Virginia State Implementation Plan. This action is being taken under sections 107 and 110 of the Clean Air Act (the Act).