The rules adopted by the board pursuant to sections 36-2512, 36-2513, 36-2514, 36-2515 and 36-2516 may not include any material, compound, mixture or preparation that contains any quantity of a controlled substance and that is listed as an exempt substance in 21 Code of Federal Regulations section 1308.22, 1308.24, 1308.26, 1308.32 or 1308.34.
A.R.S. § 36-2518