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RESIDUAL HYDROCARBONS IN SOIL <br /> Soil Density = 1 5g/cm3 = 1,500 kg/m3 <br /> 1 kg = 2 2046 lbs <br /> 1 gallon gasoline = 6 25 lbs <br />' Hydrocarbons near sample CB1-20 <br />' Volume Soil 4m x 4m x 1 5m = 24m3 <br /> Mass Soil 24m3 x 1,500 kg/m'= 36,000 kg <br /> Average TPH concentration 150 mg/kg <br />' Mass TPH 36,000 kg x 150 mg/kg = 5,400,000 mg <br /> = 54kg <br /> volume gasoline 5 4 kg x 2 2046 lbs/kg x /gal/6 25 lbs = 1.90 gallons <br /> 1 <br /> Impacted zone from 30 to 40' bsg, approximately 3 meters thick <br /> Assume area of 15 meters by 15 meters <br /> Divide into two areas <br /> Near CB-1 Near CB-2 <br /> Area 5 meters by 15 meters 10 meters by 15 meters <br /> Volume Soil 5m x 15m x 3m =225m3 l Om x 15m x 3m = 450m3 <br /> Mass Soil 225m' x 1,500 kg/m'= 337,500 kg 450m3 x 1,500 kg/m3 =675,000 kg <br /> Average TPH <br />' concentration 1,100 mg/kg 225 mglkg <br /> Mass TPH 371 25 kg 151 88 kg <br /> Volume TPH 130.95 gallons 53.57 gallons <br /> Total TPH 186 gallons <br /> 1 <br /> 1 <br />