Approval and Promulgation of Implementation Plans and Designation of Areas for Air Quality Planning Purposes; Kentucky; Redesignation of the Christian County, KY, Portion of the Clarksville-Hopkinsville 8-Hour Ozone Nonattainment Area to Attainment for Ozone

EPA is approving a May 20, 2005, final request to redesignate the Christian County, Kentucky, portion of the Clarksville-Hopkinsville 8-hour ozone nonattainment area to attainment for the 8-hour ozone National Ambient Air Quality Standard (NAAQS), and a Kentucky State Implementation Plan (SIP) revision containing a 12-year maintenance plan for Christian County, Kentucky. EPA is also providing information on the status of the Agency's transportation conformity adequacy determination for the new motor vehicle emissions budgets (MVEBs) for the years 2004 and 2016 that are contained in the 12-year 8-hour ozone maintenance plan for Christian County, Kentucky. EPA is approving such MVEBs in this action. This final rule addresses comments made on EPA's proposed rulemaking previously published for this action.