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Canonie-Environmentai <br /> Canonie Environmental Services Corp <br /> 7901 Stoneridge Drive <br /> Suite 100 <br /> Pleasanton California 94588 <br /> July 24, 1 992 Phone 510 463 9117 <br /> FAX 510 463 2981 <br /> 91-634-51 <br /> Mr. Harlan Knoll, REHS <br /> San Joaquin County Public Health Services <br /> Environmental Health Division <br /> P 0 Box 2009 <br /> Stockton, CA 95201 <br /> Site Assessment Work Plan <br /> For Time i <br /> Underground 51orage Tank Site <br /> Jackpot Food Mart <br /> Lockeford, California <br /> Dear Mr Knoll- <br /> This Site Assessment Work Plan has been prepared by Canonle Environmental <br /> Services Corp. (Canonie) for Time Oil Co. (Time Oil) as a preliminary investigation and <br /> evaluation of the Underground Storage Tank (UST) site at the Jackpot Food Mart <br /> located at 14000 Highway 88 in Lockeford, California (Figure 1 ). This letter report <br /> presents the scope of work for investigation and evaluation of the extent of migration <br /> from a former UST system in accordance with the Tri-RegiQnatBgard R mm - <br /> tic ns for Preliminary Invegtiga i n Evaluation of Underground Tank Site; fA cust: <br /> 1290). <br /> Site Background <br /> The UST removal activities at the site were performed during September 17 through <br /> 19, 1991 These activities included the removal of three gasoline USTs (one 12,000- <br /> gallon tank which contained regular unleaded gasoline, one 8,000-gallon tank which <br /> contained regular leaded gasoline, and a 6,000-gallon tank which contained premium <br /> unleaded gasoline), the excavation and stockpiling of soils from the common tank pit, <br /> and soil sampling New tank installation was performed concurrent with the UST <br /> removal in a separate excavation (see Figure 2) <br /> Tank removal activities consisted of the following <br /> 1 Workers from Scott Company removed three UST's and associated piping <br /> from a common tank excavation Before removal, the tanks were rendered <br /> PL191-6341 REPORTSILOCKEFOR RPT Wuly 22 19921 <br />