On November 16, 1994, the Tennessee Department of Environment and Conservation submitted to EPA revisions to the Nashville-Davidson County Local Implementation Plan (LIP). These revisions consisted of the adoption of section 10.56.290 Measurement and Reporting of Emissions amendments in the Metropolitan/Nashville Code of Laws. On May 3, 1995, the Tennessee Department of Environment and Conservation submitted to EPA revisions to the Tennessee State Implementation Plan (SIP). These revisions consisted of the adoption of Rule 1200-3-10-.04 Sampling, Recording and Reporting Required For Major Stationary Sources. The adoptions of section 10.56.290 into the Nashville-Davidson County LIP and Rule 1200-3-10-.04 into the Tennessee SIP are being implemented to meet the requirements of credible evidence set forth in the May 23, 1994 SIP call letter.