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1 <br /> j� 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> ® McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> htV://www.mccampbell.com E-mail:main@mccampbell.com <br /> ' Advanced GeoEnvironmental Client Project 1D: MBP Manteca Date Sampled. 08/23/00 <br /> ' 4005 North Wilson Way Date Received: 08/24/00 <br /> Stockton, CA 95205 Client Contact: Bill Little Date Extracted: 08124-08/29/00 <br /> [Client P.O: Date Analyzed: 08/24-08129100 <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 RW CB SF BayRe ion)method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)+ Ethylben- %Recovery <br /> MTBE Benzene Toluene zene Xylenes Surrogate <br /> 45768 MW-1/08- W 590,b 22,000 ND<2 ND<2 ND<2 8.2 100 <br /> ' <br /> 23-00 <br /> 45769 MW-00 08 <br /> -0 <br /> 23 W 54,b 1800 ND ND ND ND 102 <br /> '45770 MW-3/08 W ND 190 ND ND ND ND 98 <br /> ' 23-00 <br /> 45771 MW-4/08- W ND ND ND ND ND ND 105 <br /> 23-00 <br /> ' Reporting Limit unless W 50 u 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 />' r 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 resent;i liquid sample that contains greater than--5 voL%sediment,')no recognizable pattern. <br /> DHS Certification No. 1644 _V-4-Edward Hamilton, Lab Director <br />