Designation of Areas for Air Quality Planning Purposes; State of Tennessee

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The purpose of this document is to accelerate the effective date for the redesignation of Memphis/Shelby County, Tennessee, from nonattainment to attainment for the carbon monoxide (CO) air quality standard. EPA previously published a direct final action redesignating the Memphis/Shelby County CO nonattainment area effective September 26, 1994. Since no comments were received during the public comment period on that notice and sanctions would otherwise be imposed for a brief period, this notice makes the redesignation effective immediately. This action stops the sanction clock and thus prevents sanctions from being imposed on the Memphis/Shelby County area.