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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 /> httpa/www.mccamRbcll.com E-mail:main@Tnecampbell.com <br /> Advanced GeoEnvironmental Client Project ID:Paige's Towing Date Sampled: 10/08/99 <br /> 4005 North Wilson Way Date Received: 10/12/99 <br /> Stockton, CA 95205 Client Contact: Tim Cuellar Date Extracted: 10112-12/18/99 <br /> Client P.O: Date Analyzed: 10/12-10/18/99 <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 GCFID(5030) <br /> Lab ID Client ID' Matrix TPH(g)` ' MTBE Benzene Toluene Ethcn en- Xylenes %Recovery <br /> ze Surrogate <br /> 23191 JAW] W ND ND ND ND ND ND lot <br /> 23192 MW2 W ND ND ND ND ND ND 101 <br /> 23193 MW3 W ND ND ND ND ND ND 94 <br /> 23194 MW4 W ND ND NTD 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 <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 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 gasoline?;e)TPH pattem 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 vol.%sediment;j)no recognizable pattem. <br /> DHS Certification No. 1644 y In Edward Hamilton, Lab Director <br />