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110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> l McCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax: 925-798-1622 <br /> h_ttp://www.mceampbell.com E-mail:main@mccampbell.cotn <br /> I � ; <br /> Advanced GeoEnviromnental Client Project ID:Former Stockton . Date Sampled: 10/18/01 <br /> Plating <br /> 837 Shaw Road Date Received: 10/23/01 <br /> Stockton, CA 95215 Client Contact:Bill Little Date Extracted: 10/25/01 <br /> Client P.O: Date Analyzed: 10/25/01 i <br /> I <br /> Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline*,with Methyl Cert-Butyl Ether*&BT)EX*.' <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCFID(5030) <br /> l RecoveLab 1D Client ID Matrix TPII(g)+ Ethyl-MTBE Benzene Toluene benzene Xylenes % ry <br /> Surrogate <br /> 81657 EXE-1 W 22,DOO,a ND<150 3900 2400 610 1400 103 <br /> 81658 EXE-2 W 26,000,a ND<200 3600 2600 500 1300 108 <br /> i <br /> i , <br /> it <br /> I 7 <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND i I <br /> means not detected above <br /> the reporting limit S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 j <br /> *water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mglkg,and all TCLP and SPLP extracts <br /> in ug/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 range compounds are significant(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 gasoiine?;e)TPH pattern that does not appear to be derived from gasoline(?);f) <br /> y one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter than water immiscible <br /> sheen is present;i)liquid sample that contains greater than—5 vol.%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 � Edward Hamilton,Lab Director <br /> r <br /> Il <br />