On February 24, 1997, and May 8, 1997, the Tennessee Department of Environment and Conservation submitted revisions to the Tennessee State Implementation Plan (SIP). These revisions consisted of amendments to Rules 1200-3-12-.04 Monitoring Required for Determining Compliance of Certain Large Sources and 1200-3-10-.02 Monitoring of Source Emissions, Recording and Reporting of the Same are Required. Tennessee submitted these revisions to clarify the reporting requirements. EPA is approving the aforementioned changes to the SIP because they are consistent with the Clean Air Act and EPA requirements.