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1 <br /> HYDROCARBON-IMPACTED SOIL <br /> VOLUME ASSUMPTIONS AND CALCULATIONS <br /> 1) Approximate lume of petroleum hydrocarbon impacted soil <br />' ee sg to = 30 feet bsg) <br /> Vane = 1 0472r2 -h -4 I 0472 (10 ft') - 15 ft = 1,571 ft3 58 Yd <br /> 1 <br /> Converting 58 yd'to cm3 yields approximately 44,421,755 cm3 Using 1 5 g/cni3 as the weight of soil, <br />' the total weight of contaminated soil is approximately 66,632,633 g <br /> t Using 14,000 parts per million as the"average" concentration of gasoline from 15 feet bsg to 30 feet <br /> bsg, the volume of gasoline is <br />' weight of soil - average concentration -* 66,632,633 g - 0 014000 = 932,857 g of gasoline <br /> Converting grams of gasoline to volume of gasoline (gallons) using density of gasoline to equal 0 8 <br /> 932,857 g of gasoline - 0 8cm3/g = 1,166,071 cm3 <br /> 1,166,071 cm3 - (1 gallon -- 3,785 cm3) = 308 gallons of gasoline <br /> r <br /> l <br />' 2) Approximate volume of petroleum hydrocarbon impacted soil <br /> (z 30 feet bsg to = 45 feet bsg) ZZ5 { �5t7 <br /> Vfh..m of conn = 1 0472 -h (R2 + Rr - rz) 1 0472 -15 ft (15 ft2+10 ft -15 ft - 10 ft2) <br /> 1 0472 - 4,125 ft3 <br /> 4,320 ft3 160 Yd' <br /> Converting 160 yd to cm3 yields approximately 122,168,311 cm3 Using 1 5 g/cm3 as the weight of <br /> soil, the total weight of contaminated soil is approximately 183,252,467 g <br />' Using 1 1 parts per million as the"average" concentration of gasoline from 30 feet bsg to 45 feet bsg, <br /> the volume of gasoline is <br />' <br /> weight of soil - average concentration 4 183 252 467 - 0 0000011 = 202 of gasoline <br /> g g � a g g <br />' Converting grams of gasoline to volume of gasoline (gallons) using density of gasoline to equal 0 8 <br /> 202 g of gasoline- 0 8cm3/g = 252 cm3 <br /> 252 cm3 - (1 gallon - 3,785 cm3) = 0.067 gallons of gasoline <br /> 1 <br />