Approval and Promulgation of Implementation Plans; Mississippi; Memphis, TN-MS-AR Emissions Statements for the 2008 8-Hour Ozone Standard

The Environmental Protection Agency (EPA) is taking final action to approve the state implementation plan (SIP) revision submitted by the State of Mississippi, through the Mississippi Department of Environmental Quality (MDEQ) on August 28, 2015, to address the emissions statement requirements for the State's portion of the Memphis, Tennessee-Mississippi-Arkansas (Memphis, TN-MS-AR) 2008 8- hour ozone national ambient air quality standards (NAAQS) nonattainment area (hereafter referred to as the "Memphis, TN-MS-AR Area" or "Area"). Annual emissions reporting (i.e., emission statements) is required for all ozone nonattainment areas. The Area is comprised of Shelby County in Tennessee, Crittenden County in Arkansas, and a portion of DeSoto County in Mississippi. In this action, EPA is taking final action to approve the emissions statement requirements for DeSoto County in Mississippi portion of the Area.