Cal. Health & Safety Code § 117580

The department insofar as presently or hereafter provided by law, shall continue to be responsible for all aspects of solid waste management and resource recovery as they directly affect human health, including, but not limited to, the contamination of air, water, and land, propagation of vertebrates and invertebrates that may transmit disease to man, handling and disposal of hazardous wastes, and management practices that threaten the health of solid waste employees or the general public.