Cal. Pub. Res. Code § 48502

Notwithstanding any other provision of law, the powers and duties of the Department of Toxic Substances Control pursuant to Chapter 6.5 (commencing with Section 25100) of Division 20 of the Health and Safety Code, including those concerning the issuance of permits for hazardous waste disposal sites, enforcement activities related to the handling, transportation, storage, use, processing, and disposal of hazardous wastes, and the development of programs for the recycling and recovery of resources from hazardous wastes, shall not be assumed or duplicated by the board pursuant to its responsibilities, powers, and duties provided in this division.