The owner or operator of the underground tank system shall monitor the tank system using the method specified on the permit for the tank system. Records of monitoring, testing, repairing, and closure shall be kept in sufficient detail to enable the local agency to determine whether the underground tank system is in compliance with the applicable provisions of this chapter, the regulations adopted by the board pursuant to Section 25299.3, and the permit issued for the operation of the tank system.
Ca. Health and Saf. Code § 25293