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CanonleEnvironmental <br /> • <br /> Canonie Environmental Services Corp <br /> 7901 Stoneridge Drive <br /> Suite 100 <br /> Pleasanton, California 94588 <br /> September 17, 1992 Phone 510 463 9117 <br /> FAX 510 463 2981 <br /> 91-634-44 <br /> Mr Michael Collins <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> 445 North San Joaquin <br /> Stockton, CA 95202 <br /> Soil Vapor Survey Report <br /> With Proposed Well Locations <br /> Underground Storage Tank Site <br /> Jackpot Food Mart <br /> Manteca, California <br /> . Dear Mr. Collins, <br /> This Soil Vapor Survey Report has been prepared by Canonie Environmental Services <br /> Corp (Canonie) for Time Oil Co (Time Oil) to present the results of the recent soil <br /> vapor survey and to propose soil boring and well locations at the Underground Storage <br /> Tank (UST) site at the Jackpot Food Mart located at 1434 West Yosemite Avenue in <br /> Manteca, California (see Figure 1 ). This letter report satisfies the requirements for <br /> Phase I of the Site Assessment Work Plan presented in the July 24, 1992 Canonle <br /> report <br /> Site Background <br /> In September of 1991 , three USTs were removed from an excavation and were <br /> replaced by three new USTs placed in a new excavation (Figure 2) Seven soil <br /> samples were taken from the excavation floor along with two soil samples from <br /> beneath the pump islands No groundwater was encountered during the excavation <br /> All sampling and testing was performed in accordance with the Tri-Regional Board <br /> Recommendations for Preliminary Investigation and Evaluation of Underground Tank <br /> Sites {August 19901 and local county requirements A summary of these chemical <br /> results is given in Table 1 Soils from the excavation were stockpiled, sampled, and <br /> transported to Callahan Ranch in Red Bluff, California for treatment by <br /> . <br /> aeration/bioremediation with San Joaquin County Public Health Services, <br /> Environmental Health Division's knowledge The analytical results from the stockpile <br /> samples are also shown on Table 1 Tank excavations were backfilled and compacted <br /> PLIW191-6341reportslco11ms2 rpt [September 17, 19921 <br />