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TABLE 6 <br /> REMEDIATION PILOT TEST <br /> GROUNDWATER EXTRACTION COMPO ENT - OPERATIONAL PERFORMANCE AND MASS REMOVAL SUMMARY <br /> Barnes Trucking, 1817 South Fresno Avenue, Stockton, California <br /> Sewer Discharge Data Analytical Results Mass Removed Cumulative <br /> Influent This Period Mass Removed <br /> Sample Hour Average <br /> Date Meter Totalizer Cumulative Sewer <br /> Time Period GRO DRO Benzene MTBE GRO DRO Benzene MTBE GRO DRO Benzene MTBE <br /> Reading Reading Flow Discharge <br /> (gallons) (gallons) (gallons) Flow Rate (gg/L) (lAg/L) (pg/L) (µg/L) (lbs) (lbs) (lbs) (lbs) (lbs) (lbs) (lbs) (lbs) <br /> (unt)' <br /> 4/29/13 6:57 5092 4539360 -- -- -- Start of Test <br /> 4/29/131 10:20 512.8 453,710 350 350 1 .62 500 150 37 <0.50 0.001 0.0004 0.00011 0.000001 0.001 0.0004 0.00011 0.000001 <br /> 4/29/13 14:00 516.4 454, 150 440 790 2.04 400 140 55 <0.50 0.002 0.001 0.0002 0.00000 0.003 0.001 0.0003 0.00000 <br /> 4/29/13 16: 15. 518.5 4547840 690 12480 5.48 1 ,700 110 90 <1 .00 0.006 0.001 0.0004 0.00000 0.009 0.002 0.0007 0.00001 <br /> 5/1 /131 8:07 557.9 466,990 12, 150 132630 5. 14 610 99 44 <0.50 0. 117 0.011 0.0068 0.00008 0. 126 0.012 0.0075 0.00008 <br /> 5/3/13 6:00 591 .6 4737210 6,220 192850 3. 13 -- -- -- -- 0.032 0.005 0.0023 0.00003 0. 158 0.017 0.0098 0.00011 <br /> LezendlKewI <br /> GRO = Gasoline Range Organics C4-C13 gg/L = microgtams per litre <br /> DRO = Diesel Range Organics CI3-C22 spin - gallons er minute <br /> MTBE = Methyl tertiary butyl ether lbs = pounds <br /> - = data not co IlecLed / not calculated <br /> ores: <br /> ' Natrepresentative of actual flow rate, calculation affected by system down time. <br /> ' Mass removed this period (pounds) = Average concentration (µef[,)[ between the sample dates] x Period gallons x (2 2046 x 10"')(Ib/µg)/ 0.26418 (gal/L) <br /> ' Totalizer reading used to calculate sewer discharge flow rates are based on the most representative field data at time of sampling, due to actual readings were not obtained at exact time ofsampling. <br /> ' Hour meter reading used to calculate sewer discharge flaw rates are based on the most representative field data at time of sampling due to actual readings were not obtained at exact time ofsampling. <br /> ' Due to systems automatic shutdown prior to end of test, the last sample obteined is used as a data point to calculate the approximate mass removed. <br /> r.tBamc: OPE lR; dom 1 of 1 STRATUS <br />