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I 10 Second Avenue Si ,alClt ;.D7, Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax :925-798-1622 <br /> 11ttp://%v%v%,,,.rnccni12bcl1.c m E-mail:mainCmccampbell.com <br /> Date Sampled: 12/17/98 <br /> Advanced GeoEnvironmental Client Project ID:Navy Drive J <br /> s <br /> 4005 NorthWilson Way i Date Received: 12/22/98 <br /> Stockton,CA 95205 Client Contact:Bill Little Date Extracted: 12/22-12/28/98 <br /> Client P.O: Date Analyzed: 12123-12/28/98 k <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*.with /Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California Rtk'QCB(SF Bay Region)method GCFID(5010) <br /> Ethylben- %Recovery <br /> Lab ID Client ID Matrix TPH(g)` t\7TBE Benzene Toluene zone Xylenes Surrogate <br /> 00696 D1 S ND --- ND ND ND ND 97 <br /> 00697 D2 S ND --- ND ND ND ND 98 <br /> 00698 D3 S ND --- ND ND ND ND 98 <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> means not detected above S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> the reporting limit <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and shidge samples in nsg/ke.and all TCLP and SPLP extracts <br /> in u,-/L <br /> `cluttered chromatogram;sample peak coelutes with surrogate peak <br /> -The following descriptions of the TPH chromatogram are cursory in nature and McCampbell Analytical is not responsible for their <br /> interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline ranee compounds are sign i ficant(aged <br /> gasoline?); c) lighter gasoline range compounds (the most mobile fraction) are significant; d) gasoline range compounds having broad <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline O;f) <br /> one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds arc significant; h)lighter than water immiscible <br /> sheen is present;i)liquid sample that contains greater than—5 vol.LY,,sediment;j)no recognizable pattens. <br /> DHS Certification No. 1644 Edward Hamilton, Lab Director <br />