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I 10 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax :925-798.1622 <br />' 24 http://www.mccaml2bell.com E-mail: main@mccampbell.com <br />' Advanced GeoEnvirom-nental Client Project ID: Franklyn Cole Date Sampled: 06/30/98 <br /> 4005 North Wilson Way Property Date Received: 07/01/98 <br /> Stockton, CA 95205 Client Contact: Bill little Date Extracted: 07/02/98 <br /> Client P.O: Date Analyzed: 07/02/98 <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 Region)method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)* MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 91453 Pre Thor Ox Air 1300,a ND<33 ND<1.7 44 32 180 93 <br /> ' 91454 Post Thor Ox Air ND ND ND ND ND ND 104 <br /> 1 <br /> 1 • <br /> ' Reporting Limit unless W 50 u IL 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND means g <br /> ' not detected above the <br /> 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 ughVipe,soil and sludge samples in mg/kg,and ail TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram;sample peak coeluies 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-, h) 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 vol.%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br /> 1 <br />