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� I <br />I I <br />I I <br />I I <br />I I <br />I I <br />I I <br />lie <br />I I <br />I I <br />I I <br />I I <br />I I <br />I I <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- Remova Net <br />Removed <br />Sample Date Reading Vacuum=low Rat( tratlon 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 10821 <br /><50 00 00 <br />4438 <br />INFL 02/04/03 19,728 40 11731 <br /><5 0 00 00 <br />4438 <br />INFL 03/05/03 20,426 40 10821 <br /><5 0 00 00 <br />4438 <br />REPORTING PERIOD FIRST QUARTER 2003 <br />TOTAL POUNDS REMOVED <br />4438 <br />TOTAL GALLONS REMOVED <br />718 <br />PERIOD POUNDS REMOVED 00 <br />PERIOD GALLONS REMOVED 00 <br />Explanations <br />scfm = Standard cubic feet per minute ND = Non-detectable above detection limit <br />lbs = Pounds ppmv = Parts per million by volume <br />NA = Not available or not applicable TPH = Total petroleum hydrocarbons <br />MISE = Methyl tertiary butyl ether "H2O = Inches of Water <br />Density of MtBE = 6 18 pounds per gallon <br />Not measured <br />Notes <br />a Data for 7110100 appears to be the result of laboratory error Does not match <br />previous or subsequent analytical data <br />b Influent sample for 7126100 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 />Assumptions <br />1) Mass removal calculations assumes concentrations of one half the detection limit <br />when concentrations are reported as below detection limits <br />SVE O&M Tables xis 3 Of 3 <br />