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Time In: Time Out: San Joaquin County .X Environmental Health Department 1868 East Hazelton Avenue, Stockton, CA 95205-6232 • �... P Telephone: (209)468-3420 Fax:(209)464-0138 Web:www.sigov.org/ehd �<<FORtN Underground Storage Tank Program Service Request Inspection Report Name of Facility: ARCO 07049 Date: 07/16/2019 Address: 800 E Kettleman LN , LODI 95240 Requestor: Telephone: (916)636-9500 Program Element: 2304-UST REMOVAL Request#: SR0080535 Inspection Type: 134-UST REMOVAL INSPECTION Onsite Service Technician: Sampler: Ian Treat ICC Service Tech/Installer Exp. Date: Manufacturer training: OVERALL INSPECTION NOTES AND COMMENTS NOTES On site for the following inspections: -Verified a copy of the Health and Safety Plan (HASP)was on the jobsite for review. Discussed the Health and Safety Plan with Belshire, Speelman Excavation,Antea Group and TCCI onsite. -Verified that a copy of the approved fire permit was available onsite at the time of inspection. -Verified that all 4 tanks were inerted with dry ice after the triple rinsing process took place at the 30-pounds of dry ice per 1,000-gallon volume rate.According to the Airgas receipt observed onsite, 1,400 pounds of dry ice was used to complete this process. -Verified the hazardous waste manifest for the rinsate that was generated. -Witnessed lower explosion level (LEL)readings of the bottom, middle, and top section of inside each tank.The LEL reading for all 4 tanks was 0% LEL.-Verified and witnessed the marking of the tank ID numbers on all 4 tanks.The tanks were taken out of the hole and hauled in the following order: -Tank#:TA0134907-10, 000 gallon regular unleaded gasoline tank -Tank#:TA0134908-10, 000 gallon regular unleaded gasoline tank -Tank#: TA0134909-10, 000 gallon regular unleaded gasoline tank -Tank#: TA0134910-10, 000 gallon premium unleaded gasoline tank -Verified EHD's Underground Storage Tank Disposition Tracking Record Sheet was accompanying each tank as they were being hauled away. -Witnessed soil sampling from below all removed tanks, piping,stockpile soil and new tank pits. (1 sample=6 vials and 2 jars) The soil samples beneath the tanks and piping was obtained with an excavator. Samples were collected at least 2 feet below the native soil. Groundwater and slap was not observed during excavation.-Tank soil samples:Two samples, one at each end of the tank was taken from beneath each tank. (Total of 8 tank soil samples were taken). The soil samples obtained from the tanks were described to be a silty/sandy soil. The photoionization detector(PID)readings for these tank soil samples were O.Oppm. -Piping soil samples: One soil sample was obtained at intervals of 15 feet. Samples obtained after the removal of product lines and dispensers were noted to smell like gasoline with a soil color of greyish/green. Sample PL1A:Two samples were collected at the elbow of the product lines. PID readings were obtained from the product lines at a closer interval.The surface soil sample from this area had a PID reading of 36.3 ppm and 3 PID readings of 0.3, 0.7, and 0.7 ppm. Sample PL8 by UDC3/4 had a PID reading of 20.2 ppm. Sample PLEA had PID reading of 39.4 ppm. Sample PL9A had a PID reading of 36.5 ppm. The rest of the samples taken from the piping had a PID reading of O.Oppm.-Soil stockpiled from excavation was sampled. Two samples(one on each end)were taken had a PID reading of O.Opm. -Eight samples were taken from the new tank pit. Miguel Ceja of TCCI stated that they plan to use the soil from the new pit to backfill the old pit. NOTE: Hazardous Waste Tank Closure Certification was obtained while EHD was onsite. FA0003633 SR0080535 SC134 07/16/2019 EHD 23-01 Rev.06/30/15 Page 1 of 2 Underground Storage Tank Program Service Request Inspection Report