California Code, Health and Safety Code - HSC § 58012

(a) The department may adopt and enforce rules and regulations for the execution of its duties.

(b) All regulations previously adopted by the State Department of Health Services or its predecessors relating to functions performed by the Toxic Substances Control Program of the State Department of Health Services, and in effect immediately preceding the effective date of this section, shall remain in effect and shall be fully enforceable unless and until readopted, amended, or repealed by the director.