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VA <br />TABLE 6 <br />SOIL VAPOR EXTRACTION SYSTEM MtBE MASS REMOVAL DATA <br />Former Chevron Service Station 9-5775 <br />301 West Kettleman Lane <br />Lodi, California <br />MtBE Influent Data <br />MtBE <br />Hour Meter Blower Average Concen- Removal Net <br />Removed <br />Sample Date Reading Vacuum Flow Rate tration Rate Removed <br />to Date <br />ID Sampled (hours) Notes ("H2O) (scfm) (ppmv) (lbs/day) (pounds) <br />(pounds) <br />INFL 01/21/03 19,391 40 108.21 <5.0 0.0 0.0 <br />443.8 <br />INFL 02/04/03 19,728 40 117.31 <5.0 0.0 0.0 <br />443.8 <br />INFL 03/05/03 20,426 40 108.21 <5.0 0.0 0.0 <br />443.8 <br />INFL 04/08/03 21,072 40 103.11 <0.10 0.0 0.0 <br />443.8 <br />INFL 05/06/03 21,910 40 98.21 <0A0 0 0.0 0.0 <br />443.8 <br />INFL 06/18/03 22,748 67 108.00 <0.4 0.0 0.0 <br />443.8 <br />REPORTING PERIOD:SECOND QUARTER 2003 <br />TOTAL POUNDS REMOVED: <br />44 3'8 <br />TOTAL GALLONS REMOVED: <br />71'8 <br />PERIOD POUNDS REMOVED: 0.0 <br />PERIOD GALLONS REMOVED: 0.0 <br />Ex lanatlo s: <br />ND = Non-detectable above detection limit <br />sctm = Standard cubic feet per minute <br />lbs = Pounds ppmv = Parts per million by volume <br />NA = Not available or not applicable TPH = Total petroleum hydrocarbons <br />MtBE = Methyl tertiary butyl ether 'H2O = Inches of water <br />Density of MtBE = 6.18 pounds per gallon <br />- = Not measured <br />Nom <br />a. Data for 7110/00 appears to be the result of laboratory error. Does not match <br />previous or subsequent analytical data. <br />b. Influent sample for 7126/00 could not be analyzed for TPHg or BTEX <br />c. Data prior to 1111100 was reported by Gettler-Ryan Inc. <br />d. SVE system shut down 4002. <br />AssumOtlons: <br />1) Mass removal calculations assumes concentrations of one half the detection limit <br />when concentrations are reported as below detection limits <br />IAChevron1957751TableslSVE O&M Tablesl AS <br />3013 <br />