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Removal of Product-Delivery Lines November 5, 1990 <br /> Former Exxon Station No. 7-1050, Stockton, California AGS 30045-1 <br /> DISPOSAL OF STOCKPILED SOIL <br /> On August 27, 1990, after removal of the lines, a geologist from Applied GeoSystems <br /> collected two composite soil samples from approximately 40 cubic yards of soil removed by <br /> excavation from above and beneath the former underground product-delivery lines and <br /> vapor-recovery lines and piled at the site. Four samples were collected for approximately <br /> every 25 cubic yards of stockpiled soil. Each group of four samples was composited into one <br /> soil sample by the analytical laboratory. The soil samples were submitted to the Applied <br /> Analytical Environmental Laboratory in Sacramento, California (Hazardous Waste Testing <br /> Laboratory Certificate No. E773), and analyzed for TPHg using EPA Method 8015 <br /> (modified), BTEX using EPA Method 8020, and organic lead. Mobile Chem Labs of <br /> Martinez, California (Hazardous Waste Testing Laboratory Certificate No. 195), performed <br /> the analyses for organic lead using the method recommended in the California I = <br /> Manual. The results of these analyses are shown on Table 2. Don Lambert & Sons <br /> disposed of the stockpiled soil at a Class III landfill. <br /> 8 <br /> Applied GeOSystemS <br />