Mich. Comp. Laws § 333.26371

Sec. 1. As used in this act: (a) "Methamphetamine" means that substance as described in section 7214(c)(ii) of the public health code, 1978 PA 368, MCL 333.7214. (b) "Methamphetamine laboratory" means the site where the illegal manufacture of methamphetamine has taken place, and includes all equipment and supplies used at that site for that purpose.