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APPENDIX D <br /> HYDROCARBON-IMPACTED SOIL <br /> VOLUME ASSUMPTIONS AND CALCULATIONS <br /> t , <br /> Area of remaining contaminated soil <br /> '/z b • It __+ '/s 14 • 20 = 140 ftZ • 17 ft (length) = 2,380 ft' -27 88 yd <br /> Converting 88 yd'to cm3 yields 67,292,881 92 cd Using 15 g/cm3 as the "weight" of soil, the total <br />' is 100,939,322,9 g of soil <br /> Using 77 parts per rrullion as the"average" concentration, the volume of"gasoline" is <br /> "weight" of soy!- average concentration -> 100,939,322,9g- 0 000077 = 7,772 g of gasoline <br /> ' Converting grams of gasoline to volume (gallons) using density of gas to equal 0 8 <br /> 7,772 g - 0 8 cm3/g = 9,7 15 cm3 -} <br /> I <br /> 9,715 cm3 • (1 gallon 3,7$5 cm3) � 2.6 gallons of"gasaljne" <br /> i <br /> 1 <br /> t <br />