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0 <br /> Table 4 <br /> Dual-Phase Extraction System Estimated Mass Removal <br /> Tosco Service Station No 11192 <br /> 1403 Country Club Lane <br /> Stockton,CA <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 Daily Removed Concentration During Test Removed Concentration During Test Removed <br /> Well ID SVE test (hours) (scfm) (ppmv)° (lbs) (Ibs) (ppmv)° (lbs) (lbs) (ppmv)° (Ibs) (lbs) <br /> MW-7 1213101 4 1533 <56 000 000 <0 32 000 000 67 006 006 <br /> MW-3 1213101 3 1338 <280 000 000 <1 6 000 000 256 015 0 21 <br /> MW-3,MW-7 1214101 26 1473 <28 000 000 <016 000 000 18 010 031 <br /> MW-3,MW-7 1215101 263 1348 <140 000 000 <0 80 000 000 334 172 203 <br /> MW-3,MW-7 1216101 215 2035 <280 000 000 220 001 0 01 334 212 415 <br /> MW-3 12!7101 130 1660 <140 000 000 <0 80 000 001 306 096 511 <br /> i <br /> MW-7 1217101 130 1660 <1,400 000 000 <8 0 000 001 487 153 664 <br /> TOTAL HOURS EXTRACTED 107 <br /> TOTAL POUNDS REMOVED 0 001 664 <br /> Exrrlanations <br /> scfm=standard cubic feet per minute <br /> ppmv=parts per million per volume <br /> MtBE=Methyl-tenary 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 be zero for calculation purposes <br /> 077 43850 416/Tosco17004/DPEw test table 3/1102 <br />