The Environmental Protection Agency (EPA) is finalizing two actions pertaining to the Clean Air Act (CAA or Act) State Implementation Plan (SIP) requirements for the State of Tennessee. First, EPA is approving the SIP revision submitted by Tennessee, through the Tennessee Department of Environment and Conservation (TDEC) on October 9, 2013, as meeting the applicable requirements of the Act. This SIP revision addresses Tennessee's outstanding obligations related to the CAA State board and conflict of interest requirements. Second, EPA is fully approving the infrastructure SIP sub-element related to the State board and conflict of interest requirements for the 2008 Lead National Ambient Air Quality Standards (NAAQS), 1997 Annual Fine Particulate Matter (PM<INF>2.5</INF>) NAAQS, 2006 24-hour PM<INF>2.5</INF> NAAQS and 1997 8-hour ozone NAAQS. EPA notes that all other applicable Tennessee infrastructure SIP elements for the 2008 Lead, 1997 annual PM<INF>2.5</INF>, 2006 24-hour PM<INF>2.5</INF>, and 1997 8-hour ozone NAAQS have been addressed in separate rulemakings.