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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 4 MCCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> h ://www.rnccam bell.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: MBP/Lodi Date Sampled: 12/10/01 <br /> 837 Shaw Road Date Received: 12/11/01 <br /> Stockton,CA 95215 Client Contact: Bill Little Date Extracted: 12/11-12/12/01 <br /> Client P.O: Date Analyzed: 12/11-12/12/01 <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 DD Client ID Matrix TPH(g)} MTBE Benzene Toluene Ethyl- Xylenes %Recovery <br /> benzene Surrogate <br /> 85699 Influent Air 290,b,j ND ND 0.60 1.3 6.5 98 <br /> 85700 Effluent Air 150,b ND ND ND 0.89 4.0 105 <br /> • <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/k8 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 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 />