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Table 4. Summary of Groundwater Extraction and Treatment System Data,ARCO Station 434,Lodi,Califbxii t! <br /> Start-up date: 10/14/92hSM <br /> Influent concentration. Pounds removed a Effluent concentration,.PgA Net volume Average'` <br /> Date TPH B T E X TPH B I T E X TPH B T I E I X Med,gallons flowrate, <br /> 10/16/92 240 1.2 <0.5 <0.5 0.69 0.01 0.00 0.00 0.00 0.00 <50 <10 <0.5 <0.5 <0.5 2,880 1.0 <br /> 11/11/92 <50 <0.5 0.5 <0.5 <0.5 0.00 0.00 0.00 0.00 0.00 <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 0.00 0.00 0.00 0.00 0.00 <50 <0.5 <0.5 <0.5 <0.5 34,856 0.9 .. L <br /> 1/5)93 <50 <0.5 <0.5 <0.5 <0.5 0.00 0.00 0.00 0.00 0.00 <50 <0.5 <0.5 <0.5 <0.5 6,840 0.2 <br /> 2/10/93 <10 <0.3 <0.3 4.3 <0.5 0.00 0.00 0.00 0.00 0.00 <10 <0.3 <0.3 <0.3 <0.5 55,450 1.1 <br /> 3/1/93 <10 <0.3 <0.3 <0.3 <0.5 0.00 0.00 0.00 0.00 0.00 <10 <0.3 <0.3 4.3 <0.5 20,259 0.7 <br /> - 415/93 <10 4.3 <0.3 <0.3 <0.5 0.00 0.00 0.00 0.00 0.00 <1.0 <0.3 <0.3 <0.3 <0.5 37,226 0.7 <br /> TOTALS: <br /> Benzene cumulative removal,lbs: 0.00 <br /> :..w:,•..... iv..' '•r.::r: :.'.p:•.,y.:.,,..�v.,x+, wewunrt,,°"aY.`..':y.,,:....i.{. <br /> rn1�lA:th'�a:�ttlO',.t.'alt :....Y......r-.�f.;.'o>d::;;:ii??>:•a:�:€�.:q:,, <br /> Total volume,gallons: 191,635 <br /> (a)Pounds removal calculation: <br /> lbs removed=("x"}tg/L)'(gram/i,000,000µg)+(lb/454 grams)"(3.78 Ugal)t(gallons pumped) <br /> when"x"is influent concentration <br /> (b)Gallons removal calculation(for TPH): <br /> gallons removed=lbs*gallon/6.2 lbs <br />