Cal. Health & Safety Code § 25150.1

The requirements in Sections 25290.1, 25290.2, 25291, and 25292 apply to the construction, operation, maintenance, monitoring, and testing of underground storage tanks, as defined in subdivision (y) of Section 25281, that are required to obtain hazardous waste facilities permits from the department. The department shall adopt regulations implementing the requirements of Sections 25290.1, 25290.2, 25291, and 25292, for regulating the construction, operation, maintenance, monitoring, and testing of underground storage tanks used for the storage of hazardous wastes that are necessary to protect against hazards to the public health, domestic livestock, wildlife, or the environment.