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TABLES <br /> EXTRACTED GROUNDWATER MASS REMOVAL RESULTS <br /> Former Chevron Service Station 9-0557 <br /> 139 South Center Street <br /> Stockton,California <br /> TP A Benzene MtBE <br /> Daily Calculated Calculated Calculated <br /> Hours Volume influent Removal Cumulative Influent Removal Cumulative Influent Removal Cumulative <br /> Sample Date Operated Discharged Concentration Rate Removed Concentration Rate Removed Concentration Rate Removed <br /> ID (hours) (gal/day) (µg11) (lbs/day)" (Ibs)b (µg/l) (lbs/day) (lbs) (µg/l) (lbs/day) (lbs) <br /> H20-9S 02/04/02 7.5 21016 49,000 0.5 0.2 580 0.0 0.0 <10 0.0 0.0 <br /> H20-9S 02!05/02 28.5 2,232 32,000 0.4 0.5 320 0.0 0.0 <10 0.0 0.0 <br /> H20-9A 02/06/02 75.8 1,440 7,300 0.1 0.6 170 0.0 0.0 <2.0 0.0 0.0 <br /> CUMULATIVE POUNDS REMOVED: 0.6 0.0 0.0 <br /> Explanations <br /> gal =Gallons NS =Sample not collected. Mass removal calculations assume sample Concentration <br /> gal/day =Gallons per day equal to previous sample. <br /> ggA =Micrograms per liter <br /> TPHg =Total petroleum hydrocarbons as gasoline <br /> MIBE =Methyl tertiary butyl ether <br /> Notes: <br /> a =The influent concentration times the average flow rate <br /> b =The calculated removal rate times the hours extracted <br /> IJChevron/90557/Reports/CAP/Data Tables/DPE_Results 1 of 1 <br />