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CAMBRIA <br /> Table 2. Groundwater Extraction System-Mass Removal Calculations- Shell-branded Service Station - Incident#98995874, 341 East Main Street, <br /> Ripon, Californial <br /> I �I <br /> TPP H Benzene NITBE <br /> TPHg Benzene MTBE <br /> Meter TPHg TPHg Removed Benzene Benzene Removed MTBE MTBE Removed <br /> Date well Reading Cone. Removed To Date Cone. Removed To Date Cone. Removed To Date <br /> Pu ed ID (gallons). (u (pounds) (pounds) ug/L) (pounds) (pounds) (ppb) (pounds) (pounds) <br /> Abbreviations&Notes: <br /> TPHg=Total petroleum hydrocarbons,calculated as gasoline <br /> MTBE=Methyl tert-butyl ether <br /> µg/L=Micrograms per liter <br /> L=Liter <br /> gal=Gallon ., <br /> g=Gram <br /> Mass removed based on the formula:volume extracted(gal)x Concentration(µg/L)x(g110°µg}x(pound/453.6g)x(3.785 L/gal) <br /> If concentration is less than the laboratory detection limit,one half of the detection limit concentration is used in the mass removal calculation. <br /> Volume removal data based on the£onmuta:,density(in gms/ce)x 9.339(ccxlbs/gmsxgals) <br /> TPHg,benzene,and MTBE analyzed by EPA Method 8015/8020. Results by 8260 reported in bold,when available. <br /> i <br /> I ` <br /> I <br /> ig:lrlpan34jWmMassremova1.x1s Page� i <br />