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f Jim Thorpe oil , Inc. <br /> 351 N Beckman Road • P O Box 357 • Lodi, CA 95241 <br /> . (209) 368-6175 • (209) 462-4581 <br /> Contractor's License 1495699 <br /> September 29, 1992 <br /> San Joaquin County Wealth Services <br /> 445 N. San Joaquin Street <br /> P. 0 Box 2009 <br /> Stockton, CA 95201 <br /> Re: Canteen Corporation Project <br /> Overexcavation/Resample Work Plan <br /> 1 A Owner of Property Canteen Corporation <br /> B Address of Site 1500 Shaw Road, Stockton, CA (see Plate 1 ) <br /> C. Assessors Parcel <br /> Number 143-260-08-1 <br /> D. Owner of Tank Canteen Corporation <br /> E. Contact Person Marc Paschini <br /> F. Registered Geologist- Wm. Hunter & Assoc. <br /> G. Contractor Jim Thorpe Oil , Inc./Rich-Mart Construction <br /> . 2. A. Scale Drawings Attached <br /> 3. A. History of Site Office, Warehouse and Equipment yard for food caterer it <br /> B. Tank Use Fueling Delivery Equipment <br /> C. Product Unleaded Gasolene <br /> 4. A. Groundwater Depth SO to 90 feet. Historic high past 10 years , <br /> spring, 1986, 45 feet below ground level <br /> (see Plate 2) <br /> B Soil Removed Approximately 100 cubic yards <br /> C Excavation History On March 31 , 1992, a 10,000 gallon underground <br /> gasoline tank was excavated and removed at the rear of the above address. Soil <br /> samples taken from the excavation at the time showed non-detectable for all <br /> constituents of gasoline. Soil samples were taken at a depth of 12 to 14 feet. <br /> Soil samples were not taken from the pump location; however, some minor contam- <br /> ination was noted and removed. The pump was located to the east of the excava- <br /> tion a distance of less than 10 feet (see attached drawing) The contaminated <br /> soil was mixed with the rest of the excavated soil and stockpiled on site. <br /> Soil samples were taken from the stockpiled material . The sample taken from <br /> the West end of the stockpile showed non-detectable for all constituents of <br /> gasoline. The East sample showed levels of Toluene (10.4 mg/kg) , Ethylbenzene <br /> (6.0 mg/kg) , Xylene (166.5 mg/kg) and TPH-Gasoline (1620. mg/kg) . After sampling <br /> was completed all spoil was returned to the excavation and covered with clean <br /> fill . The approximate size of the excavation while open was 12 feet wide by <br />. 30 feet long by 72 feet deep. <br />