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Saturated Zone Soil (25 - 50 feet bgs) <br /> 1 .0 Average Concentrations <br /> Anal ContourintervalAverageConee ration (mal % Commentsa ianaft <br /> TPH >_1 .0 772.41 Using all data points collected from MW1 through MW7, VW1 throughVW4, SB6 through SB9A <br /> Total 1 772.41 SB12, AS1 , AS2, and ASB1 within the impacted saturated zone. 25 to 50 feet b s <br /> 2.0 Volumetric Estimates <br /> Ana Contour Interval Formula volume (WI CommentsEx ' lanation' <br /> PTI <br /> >1 . 0 1 /3*rr*r� *r2*t 269, 973. 85 Tr = 3. 14159, r, = 123. 5, r2 = 83.5, t = 25 <br /> Total 2693973.85 <br /> 3.0 Mass Calculations <br /> Estimated Mass = Volume (ft') * Average Weight of Soil (Ibs/ft') * Conversion (Kg/lbs) * Average Concentration (mg/Kg) * Conversion (lbs/mg) <br /> Anal to IContour interval 1 fe 111ZO5 ' ft' fOA536K libsI (Average Concentratimall(mall(all I lbsjmqass ObsI <br /> TPH >_1 .0 269,973. 85 x 117. 5 x 0.4536 x 772.41 x 0.000002205 = 24, 506.94 <br /> Total 24,506.94 <br /> Notes <br /> NA denotes not applicable <br /> rr , r2denotes radius in feet <br /> h denotes thickness in feet of saturated zone assuming a conical shape. <br /> ft' denotes cubic feet <br /> lbs denotes pounds <br /> Kg denotes kilograms <br /> mg denotes milligrams <br /> Average weight of soil for mass estimates provided by San Joaquin County EHD (110 to 125 lbs/cubic foot) <br /> 0.4536 kilograms per pound <br /> 2.205e-6 pounds per milligram <br /> Soil analytical results provided in Table 1 . <br /> Volumetric estimates based on Figure 4. <br />