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Mr. J. Kelly William, IT CORPORATION <br /> Kayo Oil Company <br /> April 17, 1985 <br /> Page 3 <br /> highest concentration was used for calculation of the amount of hydro- <br /> carbons in the ground. Assuming a specific gravity of approximately 0.8 <br /> g/cc for the hydrocarbons and 998.6 kgm/cubic meter for water at 500F., <br /> the volume of hydrocarbons in the soil was calculated. The calculations <br /> are recapped below: <br /> (TOTAL VOLUME OF DRY SOIL)*(125 LBS. PER CUBIC FOOT)= <br /> TOTAL UNIT WEIGHT <br /> (TOTAL UNIT WT)(0.454 kgm/lbs)(1/1.12-soil moisture 12%) = <br /> TOTAL DRY WEIGHT SOIL <br /> (TOTAL DRY WEIGHT SOIL) (TOTAL HYDROCARBONS IN ppm) _ <br /> TOTAL HYDROCARBONS in mass <br /> (TOTAL HYDROCARBONS IN MASS)/(0.8*998.6) _ <br /> TOTAL HYDROCARBON VOLUME in cubic meters <br /> CONVERT CUBIC METERS TO LITERS OF HYDROCARBONS <br /> (TOTAL HYDROCARBONS in liters)(1/3.78)= <br /> TOTAL HYDROCARBONS in gallons <br /> r <br /> In addition, calculations were completed and are shown in graphical <br /> form, Plate 1, which show the sensitivity of the final hydrocarbon <br /> volume to the assumed concentration of hydrocarbons (sum of xylene, <br /> benzene and toluene) in the soil. The concentration of hydrocarbons is <br /> the parameter with the greatest uncertainty, since only a few concentra- <br /> tions are known for each site. Therefore, the amount of product in the <br />