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TABLE 2 <br /> Soil Vapor Extraction = Vapor Influent Analytical Data <br /> Chevron Facility #92033 = Stockton Charter Way Commingled Plume Site <br /> 508 W Dr. Martin Luther King Jr. Blvd, Stockton , California <br /> Inf Influent TPHg B T <br /> E X MTBE <br /> Date <br /> Total Flow Concentrations Recovery Recovery Recovery Recovery Recovery Recovery <br /> Rate <br /> Rate Pe <br /> Runtime TPHg B T E X M riod Total Rate Period Total Rate Period ITotal Rate Period Total Rate Period Total Rate Period otaI <br /> (scfm) (ppmv) (lbs/day) (Ibs) (Ibs) (lbs/day) (Ibs) (Ibs) (lbs/day) (lbs) (Ibs) (lbs/day) (Ibs) (lbs ) (Ibs/day) (lbs) (lbs) lbs/day) (lbs) (lbs) <br /> 3/14/13 7 165 510 4.8 5. 6 2.5 7. 9 1 . 1 29 .82 8.70 8 . 70 0 .23 0.07 0.07 0.32 0 . 09 0 . 09 0. 16 0 . 05 0 .05 0. 52 0 . 15 0 . 15 0.06 0.02 0. 02 <br /> 4/26/13 554 80 1 ,300 0.56 1 .8 2.2 9.3 <0.20 39.29 895.39 904.09 0 . 10 2. 18 2.25 0 . 16 3.55 3.64 0. 11 2.60 2.65 0.42 9 . 51 9. 66 0 . 03 0.60 0.61 <br /> 5/24/13 975 184 270 0 . 79 1 .9 1 . 0 12 0 .46 36.73 644.36 11548.45 0.03 0 .46 2 .70 0.08 1 .47 5. 12 0 . 08 1 .47 4. 11 0.56 9.77 19.43 0 .01 0 .25 0 .87 <br /> Summary Period: May 2013 (April 26, 2013 through May 24, 2013) <br /> Minimum : 184 270 0 .79 1 .9 1 12 0.46 36.73 0 .03 0.08 0.08 0 . 56 0. 01 <br /> Average: 184 270 0 .79 1 .9 1 12 0 .46 36.73 0.03 0 .08 0 .08 0 .56 0.01 <br /> Maximum : 184 270 0.79 1 .9 1 12 0.46 36.73 0.03 0 .08 0 . 08 0.56 0.01 <br /> Total Recovered Mass this Period (Ibs): 644.36 0.46 1 .47 1 .47 9.77 0.25 <br /> Total Recovered Mass since System Start-Up (lbs): 1 ,548 .45 2.70 5 . 12 4. 11 19.43 0,87 <br /> Notes: <br /> - Concentration was assumed to be zero for analytes reported below laboratory reporting limit <br /> < = Below laboratory method reporting limit <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> B = Benzene <br /> T = Toluene <br /> E = Ethylbenzene <br /> X = Xylenes <br /> MTBE = Methyl tert-butyl ether <br /> scfm = Standard cubic feet per minute <br /> ppmv = Parts per million by volume <br /> lbs = Pounds <br /> Molecular Weights (based on Kiff Analytical LLC) ' Equations: <br /> TPHg : 95 g/mol <br /> Benzene: 78 . 11 g/mol Ave . Conc . (ppmv) MWgas 28 . 317 L l lbs 60 mins <br /> Toluene: 92. 14 g/mol Mass Removed (lbs ) = x x x x Ave . flow (scfm) x x hours <br /> 1 ,000 ,000 24 . 1 (* ) ft3 453 . 592g Ihour <br /> Ethylbenzene: 106. 17 g/mol <br /> Xylenes(total): 106. 17 g/mol <br /> MTBE: 88. 15 g/mol Mass Removal Rate (lbs/day) = Mass Removed (lbs) 24 hours <br /> X <br /> *Kill Analytical LLC gas constant: Operating hours day <br /> 24. 10 Umole (Supplied by Kiff LLC, based on laboratory conditions) <br /> 92033 Remediation Workbook.xlsx 1 of 1 Stantec <br />