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Wit-'' <br /> s}.w <br /> �3 <br /> ys <br /> 1.0 INTRODUCTION <br /> The Collegeville Market and Cafe is located at 13521 <br /> 352 CaliforniaEast ipsa <br /> (see <br /> Road in the City of Stockton in San Jo oq ned and operated by Abe and <br /> Figure 1) . The property is currently <br /> Sammi Ayesh (owners) as a mini-mart/cafe and fuel dispensing <br /> facility. Mr. Ayesh purchased the property in January 1988. Two <br /> separate underground tank locations existed atthe <br /> site at <br /> as eT time <br /> of purchase (see Figure 2) . One location ( ` <br /> leaded gasoline tanks and one (1) waste oil tank. <br /> contained two (2) (designated as TP-2) contained one (1) <br /> The second tank location <br /> unleaded gasoline tank. Chemical analyses of soil samples <br /> collected during the removal of the underground tanks indicated <br /> gasoline petroleum hydrocarbons have impacted the surrounding soils <br /> at both locations. <br /> Tank Protect Engineering of Northern California <br /> (TPE) was <br /> contracted by the owners to collect and analyze TP-2 overexcavation <br /> verification soil samples and to drill and sample one exploratory <br /> in the <br /> soil boring to characterize vadose zone ca titled °Wow n <br /> vicinity of TP-1. On March 17, 1992, a Workplan <br /> mplinq <br /> for Overexcavation of CO to <br /> �Plto the San nand a <br /> San Joaquincounty <br /> One Saiz Borin " was submitted by The Workplan was <br /> Local Health District (SJCLHD) <br /> for review. <br /> subsequently approved by SJCLHD and implemented by TPE in May 1992. <br /> Following the TP-2 overexcavation event TPE was requested the to ri ty he <br /> owners to drill an additional exploratory boring l <br /> of <br /> the TP-2 excavation. on May 6, 1992 an addendum to the original <br /> Workplan, addressing the drilling and sampling procedures for the <br /> was submitted and accepted by SJCLHD. <br /> additional boring, <br /> On June 11, 1992 TPE was contracted to sample the tank excavation <br /> scil stockpiles. <br /> ious tank closure <br /> This PSAR reviews and documents 1) prev <br /> 2; remedial overexcavation results, 3) exploratory soil <br /> activities, q� the analytical results of <br /> boring assessment results, TPE's findings, <br /> verification stockpile soil samplings, and 5) <br /> m. interpretations, and recommendations. <br /> ..�.�,� - <br />