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1 <br /> Using the 270 mg/kg as the"average"concentration of gasoline in the cone,the volume of gasoline <br /> is <br /> weight of soil•average concentration -0, 17,774,374 64 g•2 7x104=4,799 08 g of gasoline <br /> Converting grams of gasoline to volume of gasoline (gallons) using density of gasoline to equal <br />' 0 75 g/cm3 <br /> 4799 08 g of gasoline- 0 75 g/cm3 =6,398 77 cm3 <br />' 6,398 77 cm3 • (1 gallon- 3,785 cm) = 1.69 gallons of gasoline <br /> 5) Approximate volume of petroleum hydrocarbon impacted soil in cone#5(Vo) <br />' Vo=(3 14)(3 ft)2(1/2(10 ft)) 4141 37 ft3 (lyd3/27ft) = 5.2y d3 <br />' Converting 5 2 yd3 to cm3(i e lyd3=764,555cm3)yields approximately 4,003,200 62 cm3 Using <br /> 1 6 gkrn3 as the weight of soil, the total weight of contaminated soil is approximately 6,405,121 g <br />' Using the 43 mg/kg as the"average"concentration of gasoline in the cone, the volume of gasoline <br /> is <br />' weight of soil • average concentration -4 6,405,121 g• 4 3x10 5 =275 42 g of gasoline <br /> Converting grams of gasoline to volume of gasoline (gallons) using density of gasoline to equal <br />' 0 75 g/cm3 <br /> 14,870 4 g of gasoline-0 75 g/cm3 =367 23 cm3 <br /> 367 23 cm3 • (1 gallon- 3,785 cm3) 0.097 gallons of gasoline <br />' Combining the total volume of four cones and the sphere, gasoline impacted soil yields a total of <br /> approximately 318 yd' containing an estimated 2.3 gallons of gasoline. <br /> Advm+ced GeoEnvnronmentaL Inc. <br />