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CAMBRIA <br /> Table 1 Mass Removal Data,Shell-branded Service Station,3725 Tracy Boulevard,Tracy California J <br /> TPHg and benzene analyzed by EPA Method 9015/8020 <br /> MTBE analyzed by EPA Method 8020(Method 8260B indicated by bold font) <br /> When constituents are not detected the concentration is assumed to be equal to the detection limit in subsequent calculations <br /> Mass removed(pounds)based on the formula volume(gal)x concentration(pg/L)x(g110'pg)x(pound/453 6g)x(3 785 Llgal) <br /> Volume removed(gallons)based on the formula [mass(pounds)x 453 6(glpound)x(gal/3 785L)x(LI I000cm')]/density(g/cmi) <br /> Density inputs TPHg—0 73 g/cm' benzene=0 88 g/cm' MTBE=0 74 g/cm' <br /> Concentrations based on most recent groundwater monitoring results for each hydrocarbon constituent <br /> I <br /> I <br /> 0813 Page 2 of 2 <br />