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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> �-- McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax :925-798-1622 <br /> h a/www.mccam bell.com E-mail:main@mccampbell.com <br /> f <br /> Advanced GeoEnvironmentaI Client Project ID:Flag City Date Sampled:07/I9/00 <br /> 4005 North Wilson Way Date Received: 07/20/00 <br /> Stockton, CA 95205 CIient Contact: Tim Cuellar Date Extracted:07/20-07/24/00 <br /> Client P.O: Date Analyzed: 07/20-07124100 <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 RWQCB(SF Hay Region)method GCFID(5030) <br /> l Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- %Recovery <br /> zene Xylenes Surrogate <br /> 43324 EW-2107- W ND 3300 ND ND ND ND 96 <br /> 19-00 <br /> 43325 FW-3107- W ND 34 ND ND ND ND <br /> 19-00 93 <br /> i <br /> I <br /> s <br /> I <br /> � I <br /> F--r <br /> Reporting Limit unless <br /> otherwise stated;ND W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> means not detected above <br /> k the reporting limit S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br /> "water and vapor samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug1L <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 rdnge compounds having broad <br /> j chromatographic peaks are significant;biologically altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline(ro f) <br /> 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;i)no recognizable pattern. <br /> d <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br /> I . <br />