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Table 5. Summary of Groundwater Extraction and Treatment System Data <br /> ARCO Station 434, Lodi, California <br /> Start-up date: 10/14/92 <br /> Influent concentration, gg/l Pounds removed(a) Effluent concentration,µg/1 Net volume Average flow <br /> Date TPH B I T E X TPH B T E X TPH B I T E X purged,gallons rate,gpm <br /> 10/16/92 240 1.2 <0.5 <0.5 0.69 0.0058 0.0000 0.0000 0.0000 0.0000 <50 <0.5 <0.5 <0.5 <0.5 2,880 1 <br /> 11/11/92 <50 <0.5 <0.5 <0.5 <0.5 0.0142 0.0001 0.0001 0.0001 0.0001 <50 <0.5 <0.5 <0.5 <0.5 34,124 0.9 <br /> 1219/92 <50 <0.5 <0.5 <0.5 <0.5 0.0145 0.0001 0.0001 0.0001 0.0001 <50 <0.5 <0.5 <0.5 <0.5 34,856 0.9 <br /> 1/5/93 <50 <0.5 <0.5 <0.5 <0.5 0.0028 0.0000 0.0000 0.0000 0.0000 <50 <0.5 <0.5 <0.5 <0.5 6,840 0.2 <br /> 2/10/93 <50 <0.3 <0.3 <0.3 <0.5 0.0231 0.0001 0.0001 0.0001 0.0002 <10 <0.3 <0.3 <0.3 <0.5 55,450 1.1 <br /> 3/1/96 <10 <0.3 <0.3 <0.3 <0.5 0.0017 0.0001 0.0001 0.0001 0.0001 <10 <0.3 <0.3 <0.3 <0.5 20,259 0.7 <br /> 4/5/96 <10 1 <0.3 1 <0.3 1 <0.3 <0.5 0.0031 0.0001 0.0001 0.0001 0.00021 <10 1 <0.3 1 <03 1 <0.3 1 <0.5 37,226 1 0.7 <br /> TOTALS: <br /> TPH culatirev <br /> umve moal, lbs: 0.0 i <br /> -- . .__._.__....__ --- <br /> ..-----_. <br /> Benzene cumulative removal, lbs: 0.003 <br /> -____.._..... ______e'_,�.d,�l_ <br /> TPH cumulative removah gallons <br /> Total volume,gallons: 191,635 <br /> (a) Pounds removal calculation: <br /> lbs removed=('Y' µg/l)*(gram/1,000,000 pg)*(Ib/454 grams)*(3.78L/gal)*(gallons pumped) <br /> (b) Gallons removal calculation(for TPH): <br /> gallons removed=lbs*gallon/6.2 lbs. <br /> 33821TABLESITABLE5 ALS <br />