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TABLE 3 <br /> Soil Vapor Extraction - Vapor Effluent Analytical Data <br /> Chevron Facility #92033 = Stockton Charter Way Commingled Plume Site <br /> 508 W Dr. Martin Luther King Jr. Blvd, Stockton , California <br /> Effluent Effluent TPHg B T E X MTBE <br /> Hour Flow Concentrations Emission Emission Emission Emission Emission Emission <br /> Date Meter Rate <br /> TPHg 8 T I E X M Rate C. E. Period Total Rate Period Total Rate Period Total Rate Period Total Rate Period Total Rate Period Total <br /> (scfm ) (ppmv) lbs/day (%) (lbs) (lbs) lbs/day (Ibs) (Ibs) lbs/day (Ibs) (Ibs) lbs/day (Ibs) (Ibs) lbs/day (Ibs) (Ibs) lbs/day (Ibs) (Ibs) <br /> 3/14/13 7 217 <5.0 <0.050 <0.050 <0.050 <0.050 <0.10 0.38 99% 0. 11 0. 11 0.003 0.001 0.001 0.004 0.001 0.001 0.004 0.001 0.001 0.004 0.001 0.001 0.007 0.002 0.002 <br /> 4/26/13 554 126 <5.0 <0.050 <0.050 <0.050 <0.050 <0.10 0.30 99% 6.93 7.04 0.002 0.057 0.058 0.003 0.067 0 .068 0.003 0.077 0.079 0.003 0 .077 0.079 0.006 0. 129 0.131 <br /> Summary Period : April 2013 (March 14, 2013 through April 26, 2013) <br /> Minimum: 126 <5.0 <0.050 <0.050 <0.050 <0.050 <0.10 0.30 99% 0.002 0.003 0.003 0.003 0.006 <br /> Average: 172 <5.0 <0.050 <0.050 <0.050 <0.050 <0.10 0.34 99% 0.003 0.003 0.004 0.004 0.006 <br /> Maximum : 217 <5.0 <0.050 <0.050 <0.050 <0.050 <0.10 0.38 99% 0.003 0.004 0.004 0.004 0.007 <br /> Total Mass Emitted this Period (Ibs): 7.04 0.058 0.068 0.079 0.079 0. 131 <br /> Total Mass Emitted since System Start-Up (lbs): 7.04 0.058 0.068 0.079 0.079 0. 131 <br /> Notes: <br /> - Total mass emitted is estimated by using effluent concentration values. If the effluent concentration is below laboratory method reporting limits, than laboratory method limit is used. <br /> < = Below laboratory reporting limit <br /> TPHg = Total petroleum hydrocarbons as gasoline <br /> B = Benzene <br /> T = Toluene <br /> E = Ethylbenzene <br /> X = Xylenes <br /> M = Methyl tert-butyl ether <br /> ppmv = Parts per million by volume <br /> lbs = Pounds <br /> C.E. = Control efficiency <br /> Molecular Weights (based on KiffAnalytical LLC): Equation: <br /> TPHg: 95.00 g/mol <br /> Benzene: 78.11 g/mol Ave . Conc . (ppmv) MWgas 28 . 317 L l lbs 60 mins <br /> Toluene: 92.14 Mass Removed (lbs) = x x x x Ave . flow (scfm) x x hours <br /> g/mol 1 ,0005000 24 . 1 (*) ft3 453 . 592g 1 hour <br /> Ethylbenzene: 106.17 g/mol <br /> Xylenes(total): 106.17 g/mol Mass Removed (lbs) 24 hours <br /> MTBE: 88.15 g/mol Mass Removal Rate (lbs/day) = x <br /> Operating hours day <br /> 'Kill Analytical LLC gas constant: <br /> 24. 10 Urnole (Supplied by Kiff LLC, based on laboratory conditions) <br /> SJVAPCD Authority-to-Construct(Permit-to-Operate Requirements (N-8790-1 -0): <br /> 1 . Control efficiency > 95% <br /> 2. If C.E. <95%, VOC emission rate < 2 Ibs/day <br /> 3. Total VOC mass emissions < 54.2 Ibs/day <br /> 92033 Remediation Workbook.xlsx 1 of 1 Stontec <br />