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Table 2 <br /> Total Petroleum Hydrocarbons Pound Calculations for the Caisson Soil Stockpile <br /> 130 North Hunter Street <br /> Stockton, California <br /> Concentration Concentration <br /> Sample Volume Weight Weight TPH-g TPH-k TPH-g TPH-k Total TPH_ Total TPH <br /> cy tons pounds (lbs) mg/kg mg/kg % % % lbs <br /> SPA- 1 85 127. 5 255,000 57 4.7 0.000057 0 .0000047 0 . 0000617 15 .7335 <br /> SPA-4 85 127.5 255,000 1 .9 5 .4 0.0000019 0 .0000054 0 .0000073 1 .8615 <br /> Notes <br /> Stockpile cubic yards was measured at 170. <br /> SPA- 1 and SPA-4 are on opposite sides of the stockpile. For purposes of the calculation volume was cut in half. <br /> Conversion factor for cubic yards (cy) to tons is 1 .5 <br /> Assuming 2000 pounds (lbs) in one ton <br /> May 2005 <br /> i ~ <br />