The Environmental Protection Agency (EPA) is taking direct final action to approve a revision to the Tennessee state implementation plan (SIP) submitted by the State of Tennessee, through the Tennessee Department of Environment and Conservation (TDEC) on January 5, 2015, to address the emissions statement requirements for the 2008 8-hour ozone national ambient air quality standards (NAAQS). The revision affects Davidson, Rutherford, Shelby, Sumner, Knox, Blount, Anderson, Williamson, and Wilson Counties. Annual emissions statements are required for certain sources in all ozone nonattainment areas. These changes address requirements for the Knoxville, Tennessee 2008 8-hour ozone NAAQS nonattainment area (hereinafter referred to as the Knoxville Area) and the Tennessee portion of the Memphis, Tennessee-Arkansas-Mississippi 2008 8-hour ozone NAAQS nonattainment area (hereinafter referred to as the Memphis Area). The Knoxville Area is comprised of Knox and Blount County, and a portion of Anderson County, Tennessee, and the Tennessee portion of the Memphis Area is comprised of Shelby County, Tennessee. Davidson, Rutherford, Sumner, Williamson, Wilson and the remaining portion of Anderson County are not part of an ozone nonattainment area.