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Li 10 Second Avenue So South,#D7,Pacheco,CA 94553-5560 <br /> L MCCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> http:lhvww.nrx mpbell.com E-mail:main®mccampbell.com <br /> LAdvanced GeoEnviro»mental Client Project ID:Lodi P.D. Date Sampled: 06/17/98 <br /> 4005 North Wilson Way Date Received:06/19/98 <br /> LStockton,CA 95205 Client Contact:Kevin McKibben Date Extracted:06/20-06/24/98 <br /> L Client P.O: Date Analyzed:06/20-06/24/98 <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 Bay Re bra)method GCFID(5030) <br /> Reco <br /> Lab ID Client ID Matrix TPH(g) Ethylben- % very <br /> MTBE Benzene Toluene zene Xylenes Surrogate <br /> 90738 MW19/86-17 W ND ND ND ND ND ND 95 <br /> I <br /> L, 90739 MW98-17- W ND ND ND ND ND ND 105 <br /> L90740 DW39/86-17 W ND ND ND ND ND ND 95 <br /> L <br /> L <br /> L <br /> L <br /> L <br /> LReporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise scud;ND <br /> L 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 arc reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> L 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 /> L interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline range compounds aresignificant(aged <br /> gasoline?);c) lighter gasoline range compounds (the most mobile fraction)arc 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(?); <br /> one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds are significant;h)lighter than water irrattiscible <br /> Lshem is present;i)liquid ample that contains greater than—5 vol.%sediment;i)no recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br /> L <br />