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TABLE 51 <br /> SOIL VAPOR EXTRACTION SYSTEM MtBE MASS REMOVAL DATA j <br /> I <br /> Former Chevron Service Station#9-5775 <br /> 301 West Kettleman Lane <br /> Lodi,California <br /> MtBE Influent Data <br /> MtBE <br /> Dour Meter Blower Average Concen- Removal Net Removed <br /> Sample Date Reading Vacuum Flow Ratt tration Rate Removed to Date <br /> 1D Sampled (hours) Notes ("H20) (scfm) (ppmv) Obs/day) (pounds) (pounds) <br /> INFL 01/31/02 13,297 40 103 31 -- 00 00 4438 <br /> INFL 02/06/02 13,439 40 9820 <0 10 00 00 4438 <br /> INFL 02/13/02 13,807 40 102 7t 00 00 4438 <br /> INFL 03/06/02 14,112 40 10802 <0 20 00 00 4438 <br /> INFL 03/13/02 14,280 40 10802 -- 00 00 4438 <br /> INFL 03/20/02 14,448 40 10802 <0 20 00 00 4438 <br /> INFL 04/03/02 14,788 40 -- -- 00 00 4438 <br /> INFL 04/09/02, 14,930 40 103 11 00 00 4438 <br /> INFL 04/19/02 15,168 40 103 11 -- 00 00 4438 <br /> INFL. 04/23/02 15,263 40 9820 -- 00 00 4438 <br /> INFL 04/30/02 15,431 40 9820 <0 10 00 00 4438 <br /> INFL 05/07/02 15,559 40 9820 -- 00 00 4438 <br /> INFL 05/14/02 15,766 40 103 11 -- 00 00 4438 <br /> INFL 05/21/02 15,934 40 9820 - 00 00 4438 <br /> [NFL 05/29/02 16,127 40 10311 <0 10 00 00 4438 <br /> INFL 06/04/02 16,271 40 10802 -- 00 00 4438 <br /> [NFL 06/11/02 16,439 40 10321 -- 00 00 4438 <br /> INFL 06/18/02 16,609 40 10802 -- 00 00 4438 <br /> INFL 06/25/02 16,775 40 10802 <0 10 00 00 4438 <br /> REPORTING PERIOD 2ND QUARTER 2002 <br /> TOTAL POUNDS REMOVED 4438 <br /> TOTAL GALLONS REMOVED 718 <br /> PERIOD POUNDS REMOVED 00 <br /> PERIOD GALLONS REMOVED 00 <br /> E_xnlanations <br /> scfm=Standard cubic feet per minute ND=Non-detectable above detection httut <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 /> Notes <br /> a Data for 7110/10 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 1111/00 was reported by Gettler Ryan Inc <br /> Assvmpfions <br /> 1)Mass removal calculations assumes concentrations of one half the detection hmit <br /> when concentrations are reported as below detection hints <br /> O&M Tables xls 2 of 2 <br />