Section 25294 Of Chapter 6.7. Underground Storage Of Hazardous Substances From California Health And Safety Code >> Division 20. >> Chapter 6.7.

. Any unauthorized release from the primary containment which the operator is able to clean up within eight hours after the release was detected or should reasonably have been detected, and which does not escape from the secondary containment, does not increase the hazard of fire or explosion, and does not cause any deterioration of the secondary containment of the underground storage tank, shall be recorded on the operator's monitoring reports.