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A NJ O A Q U l N Environmental Health Department <br /> COUNTY— <br /> Underground Storage Tank Program Inspection Report <br /> Facility Name: Facility Address: Date: <br /> COSTCO WHOLESALE#658 3250 W GRANT LINE RD,TRACY November 08, 2022 <br /> SUMMARY OF VIOLATIONS <br /> (CLASS I,CLASS II,or MINOR-Notice to Comply) <br /> Item# Remarks <br /> 302 CCR 2630(d), 2641(a)Leak detection equipment not installed/maintained/located to detect leaks at earliest <br /> opportunity. <br /> OBSERVATION: The 91 tank was not approved by the EHD prior to receiving fuel in the 91 tank. Fuel was added <br /> on 8/29/22 with monitoring equipment that was not verified to be functional. Functionality testing was observed on <br /> 8/30/22. <br /> REGULATION GUIDANCE:All monitoring equipment shall be maintained to be able to detect a leak at the earliest <br /> possible opportunity. <br /> CORRECTIVE ACTION: Ensure all operated UST systems have approved leak detection equipment when fuel is <br /> present. <br /> This is a Class II violation. <br /> 309 CCR 2666(b)(2), 2636(f)(1) Failure to have continuous monitoring that activates audible-visual alarm or stops flow at <br /> dispenser. <br /> OBSERVATION: Fuel was deposited on 8/29/22 into a fuel tank without verified functional continuous monitoring <br /> that activates an audible-visual alarm or stops flow at the dispenser. Functionality testing was observed on 8/30/22. <br /> REGULATION GUIDANCE: Monitoring equipment shall be able to have continuous monitoring that activates <br /> audible-visual alarm or stops flow at dispenser <br /> CORRECTIVE ACTION: Ensure all operated UST systems have approved audible-visual alarms going forward. <br /> This is a Class II violation. <br /> 313 HSC 25290.1(d)Monitoring system incapable of detecting entry into secondary containment(post-Jul 2004). <br /> OBSERVATION: The sensors were not verified with required testing prior to adding fuel to the 91 fuel tank. Fuel <br /> was deposited into the 91 tank on 8/29/22,functionality was observed on 8/30/22. <br /> REGULATION GUIDANCE: The continuous monitoring system shall be maintained to detect the entry of the liquid <br /> or vapor phase of the hazardous substance stored in the primary containment into the secondary containment, and <br /> to detect water intrusion into the secondary containment. <br /> CORRECTIVE ACTION: Ensure all operated UST systems have monitoring system capable of detecting entry into <br /> secondary containments at all times going forward. <br /> This is a Class II violation. <br /> FA0013810 PR0518288 SCO01 11/08/2022 <br /> EHD 23-01 Rev.12/06/2021 Page 5 of 8 Underground Storage Tank Program OIR <br /> 1868 E. Hazelton Avenue I Stockton, California 95205 1 T 209 468-3420 1 F 209 464-0138 1 www.sjgov.org/EHD <br />