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110 2nd Avenue South,#177,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax :925-798-1622 <br /> hq://www.mccam.pbell.com E-mail:main@,mccampbell.com <br /> Date Sampled: 08/29/00 j <br /> Advanced GeoEnvironmental Client Project ID: MBP-Lodi ; <br /> Date Received: 08/30/00 <br /> 4005'north Wilson Way � <br /> Stockton,CA 95205 Client Contact: William Little i Date Extracted: 08/30/00 <br /> Client P.O: Date Analyzed: 08/30/00 <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{D Matrix TPH(g) MTBE Benzene ToluEthylben- %Recovery ene zene Xylenes Surrogate <br /> 46257 Pre Ox Air 3700,j ND ND ND 10 12 115 <br /> 46258 Post Ox Air ND ND ND ND ND ND 102 <br /> Reporting Limit unless Air 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 TC-P and SPLP extracts <br /> in uglL <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 signiticant(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(?);t) <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 recogrinabie paltem. <br /> DHS Certification No. 1644 ti Y Edward Hamilton, Lab Director <br />