15.03.210 Extraction Standards
(a) A registered entity shall use either carbon dioxide (CO2, super-critical) or alcohol for cannabinoid extraction and shall only perform extraction of the leaves and flowers of female marijuana plants. A registered entity shall only use carbon dioxide that is of a supply equivalent to food or beverage grade of at least 99.5% purity; and alcohol used shall be of a grade that meets or exceeds specifications of official compendiums as defined in section 321 of Title 21 of the United States Code (USC). 21 USC §321. A registered entity shall obtain prior written approval from the Authority if it seeks to use other extraction methods.