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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 B T 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) (Ibs) lbs/day (lbs) (lbs) lbs/day (Ibs) (Ibs) lbs/day (lbs) (lbs) lbs/day (Ibs) (lbs) lbs/day (lbs) (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 /> 5/24/13 975 245 <5.0 <0.050 <0.050 <0.050 <0.050 <0.10 0.33 99% 5.76 12.80 0.003 0.047 0 . 105 0.003 0.056 0. 124 0.004 0.064 0. 143 0.004 0 .064 0.143 0.006 0. 107 0.238 <br /> Summary Period: May 2013 (April 26, 2013 through May 24, 2013) <br /> Minimum : 245 <5.0 <0.050 <0.050 <0.050 <0.050 <0. 10 0.33 99% 0.003 0.003 0.004 0.004 0.006 <br /> Average: 245 <5.0 <0.050 <0.050 <0.050 <0.050 <0. 10 0.33 99% 0.003 0.003 0.004 0.004 0.006 <br /> Maximum: 245 <5.0 <0.050 <0.050 <0.050 <0.050 <0. 10 0.33 99% 0.003 0.003 0.004 0.004 0.006 <br /> Total Mass Emitted this Period (lbs): 5.76 0.047 0.056 0.064 0 .064 0.107 <br /> Total Mass Emitted since System Start-Up (lbs): 12.80 0 . 105 0. 124 0 . 143 0. 143 0.238 <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 Kiff Analytical 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 g/mol Mass Removed (lbs) = x * x 3 x x Ave . flow (scfm) x x hours <br /> 1 ,000 ,000 24 . 1 ( ) ft 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 /> 'Kill Analytical LLC gas constant: Operating hours day <br /> 24. 10 L/mole (Supplied by Kiff LLC, based on laboratory conditions) <br /> SJVAPCD Authority-to-ConstrucUPermKi 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 Stantec <br />