1. (1) Methamphetamine shall not exceed 0.1 microgram/100 cm2 on any surfaces.
2. (2) Volatile Organic Compounds shall not exceed 1 ppm in air as measured under normal inhabitable ventilation conditions.
3. (3) If it is determined that lead or mercury were used in the lab process, the standard for cleanup of lead on any surface shall not exceed 40µg/ft2, and mercury shall not exceed 50 nanograms/m3 for indoor air. Lead acetate and mercuric chloride are used in the Amalgam process that uses phenylpropanone (P2P). This process is not commonly used, but may occasionally be encountered.

Authority: T.C.A. §§ 68-212-501, et seq. and 4-5-201 et seq. Administrative History: Original rule filed February 23, 2012; effective May 23, 2012.