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CanouteEnvironmerAal <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 Vanor Survey Reoort <br /> With Proposed Well Locations <br />' Underaround Storage Tank Site <br /> Jackoot 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 Canonie <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 Boar <br /> Recommendations for Preliminary Investigation and Evaluation of Underground Tank <br /> Sees (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 /> 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 6341raportslco1lins2 rpt ISeptember 17, 19921 <br />