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0 Page 1 0f 1 <br /> Table 5 <br /> Dual-Phase Extraction System Estimated!Nass Removal <br /> Tosoo Service Station No 1205 <br /> 16470 Cambridge Street <br /> Lathrop,Calrfomia <br /> TPH as Gasoline Benzene MtBE <br /> Pounds Cumulative Pounds Cumulative Pounds Cumulative <br /> Hours Average Influent Removed pounds Influent Removed pounds Influent Removed pounds <br /> Test Date of Extracted Flow Rate Concentration During Test Removed Concentration During Test Removed Concentration During Test Removed <br /> Well ID DPE test (hours) (scfm) (ppmv) (ibs) (lbs) (ppmv) (lbs) (lbs) (ppmv) (lbs) (lbs) <br /> MW-5 3125102 4 1947 13,000 1689 1689 160 016 016 <70 000 000 <br /> MW-6 3125102 35 3275 3,200 612 2301 29 004 021 86 001 001 <br /> MW-5,MW-6 3/25/02 13 6704 8,100 11774 14075 95 107 1 28 4 0 05 007 <br /> MW-1 3126102 5 2930 89 022 14097 <0 16 000 128 <1 4 000 007 <br /> I <br /> MW-2 3126102 3 2481 43 005 14102 066 000 128 <1 4 000 007 <br /> MW-7 3126102 25 2890 4,900 591 14693 <8 0 000 128 <70 000 007 <br /> MW-5,MW-6, 3/27/02 23 10635 1,800 7344 22037 13 004 132 <7 0 000 007 <br /> MW-7 <br /> MW-5,MW-6, 3128102 23 11506 1,300 5739 27775 <0 80 000 132 <7 0 000 007 <br /> MW-7 <br /> MW-5,MW-6 3129/02 18 7520 1,200 2709 30484 <0 80 000 132 <7 0 000 007 <br /> TOTAL HOURS EXTRACTED 95 <br /> TOTAL POUNDS REMOVED 30484 132 007 <br /> Explanations <br /> scfm=standard cubic feet per minute <br /> ppmv=parts per million per volume <br /> MtBE=Methyl-tertiary butyl ether <br /> lbs =pounds <br /> TPH=Total Petroleum Hydrocarbons <br /> Note <br /> Density of benzene=7 3 pounds per gallon <br /> Density of gasoline=61 pounds per gallon <br /> Density of MtBE=6 2 pounds per gallon <br /> Values reported as non-detect were assumed to zero for calculation purposes <br /> 1 <br /> Tosco/DPE test table1206 <br />