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r R F V E D San Joaquin County MAR 4 9 2017 Environmental Health DepartmentAMENDED 1868 East Hazelton Avenue, Stockton, California 952(5 77 �L �� LBS L /'7 Telephone: (209)468-3420 Fax:(209)468-3433 Wek- _ P � t�N I Underground Storage Tank Program Inspection Report Facility Name: Facility Address: Date: ARCO 06080 85 E LOUISE AVE, LATHROP February 01, 2017 SUMMARY OF VIOLATIONS (CLASS I,CLASS II,or MINOR-Notice to Comply) Item# Remarks 305 HSC 25290.1(e)VPH monitoring of the interstitial spaces of the UST system is not maintained. Communication in the 87-, 91-, and diesel- product submersible turbine pump (STP) sumps and fill sumps, and communication in the under dispenser containment(UDC) sumps were not tested during the annual monitoring system certification testing on February 1, 2017. The interstitial space of the underground storage tank system shall be maintained as designed under constant vacuum such that a breach in the primary or secondary containment is detected before the hazardous substance is released into the environment. Immediately contact a properly licensed, trained, and certified contractor to test communication of the vapor/pressure/hydrostatic (VPH) components listed above under permit and inspection by the Environmental Health Department(EHD). This is a minor violation. 313 HSC 25290.1, 25290.2, 25291 Failure to construct, operate, and maintain primary containment as product-tight. Seepage was observed at the union/shear valves at under dispenser containments 1-2 and 7-8, indicating a leak in the primary piping. All primary containment for the UST system must be tight. Immediately have a properly licensed, trained, and certified contractor repair or replace the failed components. This is a repeat violation, Class II, 316 HSC 25290.1(c3), 25290.2(c3) Secondary containment not constructed to prevent water intrusion (after Jul 2003). Approximately one-half cup of liquid was observed in the 87-product submersible turbine pump (STP) sump, approximately one quart of liquid was observed in the diesel STP sump, approximately one-half cup of liquid was observed in the diesel fill sump, approximately one-half cup of liquid was observed in the 91-product STP sump, a trace of liquid was observed in under dispenser containment(UDC) 1-2, approximately one-half cup of liquid was observed in UDC 3-4, and approximately three cups of liquid were observed in the vent box. Secondary containment shall be constructed to prevent any water intrusion into the system by precipitation, infiltration, or surface runoff. Immediately remove this liquid, make a hazardous waste determination per Title 22 hazardous waste regulations, and manage accordingly. Immediately contact a properly licensed, trained, and certified contractor to address the water intrusion into the sumps, UDCs and vent box listed above. The diesel secondary containment fill sump is not liquid and vapor tight. The gasket for the inner sump opening is missing. Secondary containment shall be impervious to the liquid and vapor of the substance contained and constructed to prevent structural weakening as a result of contact with any hazadous substances released from the primary containment. This same violation was reported during the 2016 monitoirng system certification inspection and still has not been corrected. Immediately contact a properly licensed, trained, and certified contractor to replace the gasket for the inner sump opening of the diesel fill sump. This is a repeat violation, Class II. Overall Inspection Comments: An inspection checklist was provided to the facility clerk on the day of inspection (February 1, 2017). The Environmental Health Department (EHD) completed the inspection report on February 10, 2017, which replaced the initial checklist. The report has been amended by the EHD on March 6, 2017. Items 105 and 201 have been rescinded . The amended report replaces the initial report. FA0003635 PR0231656 SCO01 02/01/2017 EHD 23-01 Rev.09/22/16 Page 4 of 5 Underground Storage Tank Program OIR