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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 /> http://www.mccampbell.com E-mail.main@mccampbell.com <br /> Advanced GeoEnvironmentai Client Project ID: Geweke Date Sampled: 06/23/00 <br /> 4005 North Wilson Way Date Received: 06/27/00 <br /> IStockton,CA 95205 Client Contact: Bob Marty Date Extracted: 06/27-06/29/00 <br /> Client P.O: Date Analyzed: 06/27-06/29/00 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCFII](5030) <br /> Lab ID Client ID Matrix TPH(g) MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 41377 MW 006-23 W 69,a ND 1.6 6.4 2.1 8.6 100 <br /> 41378 MW70/06-23- <br /> 0 W 160,a ND 1.4 6.5 3.2 11 100 <br /> MW 006 23 <br /> 41379 W 14,000,b ND<20 12 l5 540 760 98 <br /> I41380 MW90/06-23- W 3900,bxj ND 7.6 20 160 110 102 <br /> 41381 MWII/06- W ND ND ND 0.71 ND ND 103 <br /> 23-00 <br /> 41382 MW12/06 W ND ND ND ND ND NO 103 <br /> 23-00 <br /> 41383 23-00 M 06- W 1600,a ND<10 38 41 22" 220 100 <br /> 23-0 <br /> 1 <br /> I <br /> IReporting 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 <br /> 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 SDLP 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 gasoline?;e)TPH pattern that does not appear to be derived from gasoline(?);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 vat.%sediment;j)no recognizable pattern. <br /> I <br /> DHS Certification No. 1644 Edward Hamilton, Lab Director <br /> I - <br />