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CALCU LAI ION OF HYDROCARBON MASS ADSORBED TO SOIL ' <br /> Time Oil Company, Property No 04-049 <br /> 14000 East Highway 88 <br /> Lockeford, CA July 30, 1998 <br /> Area and concentrations based on Table 3, Figures 5-6, and attached figure <br /> P = A(f! )x H(ft)x soil_density lbs x kg x X g x lb <br /> f; 2 205(lbs) — kg 453,592(rng) <br /> JArea 1 Area 2 Area 3 Area 4a Area 4b <br /> CONTAMINANT TPHg T— PH9 TPHQ T L!& TPHg+ <br /> X-CONTAMINANT CONCENTRATION(mg/kg) = 5,000 2,000 250 <br /> 1,000 5 <br /> D- AVERAGE SOIL DENSITY(lbs/1113) = 129 129 129 129 129 <br /> A- IMPACTED AREA(ft-2) = 2,800 1,400 4,300 400 400 <br /> H- HEIGTH OF IMPACTED AREA(ft) = 10 10 10 25 40 <br /> (25 -35) (25 -35 <br /> (25- 35) (35-60) (60- 100) <br /> P- POUNDS OF CONTAMINANT(Ibs) = 18,057 3,611 1,387 1,290 10 <br /> Estimated Total Mass of Adsorbed Hydrocarbons 24,355 pounds (12,000 to 36,000) <br /> lipEstimated Volume of Adsorbed Hydrocarbons 3,479 gallons (1,700 to 5,100) <br /> CALCULATION OF HYDROCARBON MASS DISSOLVED IN GROUNDWATER <br /> Time Oil Company,Property No 04-049 <br /> 14000 East Highway 88 <br /> Lockeford,CA July 30, 1998 <br /> Area for calculation based on Table 2 and attached figure <br /> P = A(ft 2)x H(ft)x N x 7 481(gallons) x 3 785(liters) x X mg x lb <br /> ft 3 gallon Miter 453,592(mg) <br /> Area I Area 2 Area 3 <br /> CONTAMINANT �_ -TPHg _ TpHg` <br /> X-CONTAMINANT CONCENTRATION(mg/L) = 350 25 025 <br /> N- POROSITY(%) = 038 038 038 <br /> A- IMPACTED AREA(ft-2) = 2,800 22,500 21,000 <br /> H- HEIGHT OF IMPACTED AREA(ft) = 10 10 10 <br /> P- POUNDS OF CONTAMINANT(Ibs) = 2325 1334 125 <br /> Estimated Total Mass of Dissolved Hydrocarbons 37 84 pounds (19 to 56) <br /> Estimated Volume of Dissolved Hydrocarbons 5 412 allons <br /> h ( 5 to 7$) <br /> areamass wk4 <br />