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ESTIMATION OF HYDROCARBONS REMOVED BY EXCAVATION <br /> .! Former Exxon Service Station No. 7-3330 <br /> 3128 West Benjamin Holt Drive <br /> Stockton, California <br /> Assumption• <br /> 1) Average weight per cubic foot of soil = <br /> _ 110 lbs <br /> ft3 <br /> 2) Table 6 lists the volumes of soil excavated. <br /> I Estimation, of TPH as Gasoline Removed During,Excavation <br /> 1(A) Calculations: <br /> _ (104 yd3) 27 ft3 110 lbs 87 ppm <br />' 1 yd3 ft3 1x106 <br /> = 26.87 lbs <br /> 1(B) Calculations: <br /> = (396 yds) (17.A!) pp <br /> (110 lbs (0.5 m <br /> 1 yd3 ft3 1x106 <br /> = 0.59 lbs <br /> 1(C) Calculations: <br /> = (250 yd) 27 ft3 110 1& (3.4 ppm <br /> 1 yd3 ft3 1x106 <br /> — 2.52 lbs <br /> RPT001.810 <br />