HAR §11-37-52. Solvents and processing practices

(a) Solvents used in processing shall be of the highest purity, with the minimum standard being solvent intended to be safe for use in manufacturing a product for human consumption. (b) The following solvents shall not be used in processing: (1) Benzene; (2) Carbon tetrachloride; (3) 1,2-Dichloroethane; (4) 1,1-Dichloroethene; and (5) 1,1,1-Trichloroethane. (c) Hemp biomass, crude extract, and manufactured hemp products shall not be processed using butane in an open system where fumes are not 37-54 3622