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Vadose Zone Soil (0 - <25 feet bgs) <br /> 1 .0 Average Concentrations J70 <br /> Anal a Contourinterval Avera.'e:Concentration m [K - Comments/Explanation <br /> TRH 551 .0 1 21196.91 Using all data points collected from MW1 , VW1 , VW2, and ASB1 within the <br /> Total 2,196,91 vadose zone. 0 to <25 feet b s) <br /> 2,0 Volumetric Estimates <br /> jftalAg ICodogMrinL9p9l Faula I YQl9medel C m E la " <br /> TPH 5_1 .0 n*q*r2*t 45,945.75 n = 3. 14159, rl = 26, r2 = 22. 55 t = 25 <br /> Total 45,945.75 <br /> fI - 26 i <br /> 3.0 Mass Calculations rx - -ci. i AI ,, t. Z— <br /> Estimated Mass = Volume (ft') * Average Weight of Soil (lbs/ft') * Conversion ( Kg/lbs) * Average Concentration (mg/Kg) * Conversion (lbs/mg) <br /> IAnalvte IContDur Interval 1 ft?. ( 117.6 lbs/ft3l JLOA536KgIl6i - (Average Concentration m tK lbs/m ? Mass tlbsi <br /> TPH 5_1 .0 45, 945.75 x 117.5 x 0.4536 x 27196.91 x 0. 000002205 = 11 ,862.52 <br /> Total 11 ,862.52 <br /> Notes <br /> NA denotes not applicable <br /> q , r2 denotes radius in feet i c T Z > <br /> t denotes thickness in feet of vadose zone. <br /> ft3 denotes cubic feet <br /> lbs denotes pounds L Z <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 a'- <br /> Soil analytical results provided in Table 1 . j B C> <br /> Volumetric estimates based on Figure 3. <br /> Itng <br />