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GEOMA-rRIX <br /> 4 TABLE 2 <br /> i <br /> GROUNDWATER ANALYTICAL RESULTS <br /> Dobler Property <br /> Tracy, California <br /> Results in micrograms per liter(µg11) <br /> i� Ethyl- <br /> Sample Date TPHg TPHd Benzene Toluene benzene Xylenes PAHs <br /> 13-1' 10-22-98 <50 <50 <0.5 <0.5 <0.5z <0.5 ND3 <br /> Notes: <br /> ` Sample collected by Geomatrix and analyzed-by Friedman&Bruya,Inc_for TPH as gasoline(TPHg)by <br /> EPA Method 8015;for TPH as diesel(TPHd)by EPA Method 8015 modified;for benzene,toluene, <br /> ethylbenzene,and xylenes by EPA Method 8020A,and for polynuclear aromatic hydrocarbons(PAHs)by <br /> EPA Method 8270C SIM. Water samples were filtered through a glass fiber filter prior to extraction for the <br /> TPHd and PNA analyses. Silica gel clean-up based on EPA Method 3630B was performed on sample extract <br /> prior to analysis for TPHd. <br /> a Calibration error of 2%(see Appendix B). Result is considered an estimate. <br /> 3 ND=not detected above laboratory detection limits;'see laboratory reports on Appendix B for analytes and <br /> detection limits. <br /> 1:1Doc Safe13000s1C34991Tab1e2Dobler.doe ffg <br /> Ei <br />