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TABLE A <br /> PETROLEUM HDYROCARBON MASS ESTIMATE <br /> FORMER EXXON RS 7-3942 <br /> 4444 NORTH PERSHING AVENUE,STOCKTON,CALIFORNIA <br /> I Treatment Zone Physical Dimensions <br /> Values Units Notes <br /> Length 120 fret 18 feet SW of V4 to 10 feet past northeast property boundary <br /> Width 40 feet 20 fee on either side of V4 <br /> Treatmem Thickness 25 feet 20 to 45 feel has,based on the screen intmals of wells located along the length <br /> Total Volume 120,000 cubic feet <br /> 2 1 reatment Zone Hydroeeoloeical Pruoerties <br /> .Assumed Porosity 03 <br /> Assumed Soil Bulk Density 1.7 kg/L <br /> 3. Estimated Mass <br /> Concentrations un ) Ph skal Dimenaione feel Mass Ib <br /> Treatment Representative <br /> Section Interval Sample B T E X TPN L W D B T E X TPEU <br /> V4 I3 970 250 1,700 11,m10 <br /> IP-1 00064 00005 0.019 0017 2.5 <br /> 20.25 IP-2 00005 00005 0.0005 0.0005 2.5 49 40 5 3 252 65 442 2,863 <br /> IP-3 0.0005 0.0005 0.11005 0.0005 25 <br /> SW-] <br /> V4 170 120 320 Lam 12,000 <br /> IP-1 0.027 0.024 0.156 0.11 16 <br /> 2530 IP-2 0,011 00005 0.001 0.0064 25 49 40 5 44 31 83 468 3,126 <br /> IP-3 0.06 0.013 0.01 004 25 <br /> SW-1 <br /> V4 I 120 66 240 2,0110 <br /> IP-1 5.73 26 61.3 359 3,480 <br /> 1 30.35 IP-2 0.125 2.57 7.38 33.2 222 49 40 5 2 39 36 167 1,519 <br /> IPJ 0,437 1 1.88 11.6 137 <br /> SW-1 <br /> V4 140 410 150 920 7,300 <br /> IP-1 5.11 289 116 700 5,920 <br /> 3540 IP-2 2,75 76.3 69.3 338 3,950 49 40 5 33 184 78 455 3,849 <br /> IP-3 1.29 24.3 13 67.5 517 <br /> SWA 9.5 85 25 160 810 <br /> V4 12 120 28 180 2,IW <br /> IP-1 4.02 63.5 21.9 128 1,510 <br /> 40.45 IP-2 2.19 53.6 19.6 87.7 1,030 49 40 5 5 ]I 21 129 1,309 <br /> 1P-3 4.59 IN 31.2 220 1,640 <br /> SW-I 0.65 2.8 0.38 2.4 12 <br /> VI 0.0025 0,0098 0.0097 0071 2.8 <br /> 20-25 36 40 5 OW2 OW] O.W] 005 2 <br /> SW-2 <br /> VI 0W25 00025 0.0025 0.021 OS <br /> 25}0 SW,2 _ _ _ 36 /O 5 0.002 O.W2 0.002 0.02 04 <br /> II Vl 0.5 9 5 34 320 <br /> 30.35 SW-2 _ _ 76 40 5 04 7 4 26 205 <br /> VI 12 56 94 75 780 <br /> 3500 SW-2 3 11 3.6 18 140 36 40 5 6 6 5 36 352 <br /> 20-25 0W25 0.0025 0.0025 0.0025 OS 0002 0002 OW2 0.002 IDA <br /> 2530 0.13 0.026 0.076 0.24 65 0.10 002 0.06 0.2 5 <br /> III 30.35 PSVI 2.5 93 19 98 6300 35 40 5 2 ] I4 73 966 <br /> 35-40 99 830 210 1,100 5,72. 7d 617 156 817 4,236 <br /> Total Mass,Ib 169 1,214 462 2,613 19,471 <br /> Note 12,666 <br /> Mass,as=C„mg/kg•its,kg/LV„cubic fen'28 32 Ucubn far•Igll OOOmg•Ilb/454g <br /> C. Average soil concentration in the treatment interval g: gram <br /> N: Soilbulkdenuty kB kilogram <br /> V, Soil volume in the lreatmcromerval mg: milligram <br /> Ib pound L: liter <br /> c. nwemmuuwccxrwsa........ <br />