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1 <br /> 110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> ' McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax: 925-798-1622 <br /> httna/ww-,mccamnbel .corn E-mail:main@mccampbell.com <br /> ' Advanced GeoEnvironmental Client Project ID: MBP-Lodi Date Sampled: 10/20/00 <br /> 4005 North Wilson Way Date Received: 10/20/00 <br /> ' Stockton, CA 95205 Client Contact: Bill Little Date Extracted: 10/20/00 <br /> ' Client P.O: Date Analyzed: 10/20/00 <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;Califumia RWQCB(SF Bay Region)method GCFID(5030) <br /> ' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben Xylenes %Recovery <br /> zene S arrogate <br /> 51022 Pre ox Air 2300,bj ND ND 40 14 81 110 <br /> ' 51023 Post ox Air 450,b,j ND ND 3.1 ND 2.3 110 <br /> i <br /> i <br /> 1 <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 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;i)no recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />