Michigan Compiled Laws, Chapter 324. Natural Resources and Environmental Protection § 324.12107

Sec. 12107. (1) A vehicle used to transport liquid industrial by-product by public roadway shall carry a copy of the registration and permit issued in accordance with the hazardous materials transportation act, 1998 PA 138, MCL 29.471 to 29.480, and shall produce it upon request of the department or a peace officer.The registration and permit may be carried in electronic format.

(2) All vehicles and containers used to transport liquid industrial by-product shall be closed or covered to prevent the escape of by-product. The outside of all vehicles, containers, and accessory equipment shall be kept free of by-product and its residue.

(3) To avoid cross-contamination, all portions of a vehicle or equipment that have been in contact with liquid industrial by-product shall be cleaned and decontaminated before the transport of any products, incompatible by-product, hazardous waste regulated under part 111,  1 or other material. Before the transport of by-product, all portions of a vehicle or equipment shall be cleaned and decontaminated, as necessary, of any hazardous waste regulated under part 111. A transporter who owns or legally controls a vehicle or equipment shall maintain as part of the transporter's records documentation that before its use for the transportation of any products, incompatible by-product, hazardous waste regulated under part 111, or other material, the vehicle or equipment was decontaminated. This subsection does not apply to a vehicle if brine was transported in the vehicle and the next load transported in the vehicle is brine for disposal or well drilling or production purposes, oil or other hydrocarbons produced from an oil or gas well, or water or other fluids to be used in activities regulated under part 615  2 or the rules, orders, or instructions under that part.