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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 24 MCCAMPBELLANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> term•//www mccamnb Ie 1 com E-mail:main@rnccampbell.com <br /> Date Sampled:03/19/99 <br /> Advanced GeoEnvimnmental Client project ID:Lodi Airport <br /> Date Received:03/23/99 <br /> 4005 North Wilson Way <br /> Stockton,CA 95205 Client Contact:Kevin McKibben Date Extracted:03/24/99 <br /> Client P.C: Date Analyzed:03/2499 <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 GCFM(5030) <br /> Ethylben- %Recovery <br /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene zene Xylenes Surrogate <br /> 05614 DW-1 W ND ND ND ND ND ND 105 <br /> Reporting Limit unless W 50 ug/L 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND means <br /> not detected above the S 1.0 0.05 0.005 0.005 0.005 0.005 <br /> reporting limit mg/kg <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 isnot responsible for their <br /> interpretation: a) unmodified or weakly modified gasoline is significant; b) heavier gasoline ramgcompounds are ands hsignavmnt(aged <br /> ed <br /> gasoline?); c) lighter gasoline range compounds (the most mobile faction) are significant; d) gasoline <br /> gemm po <br /> chromatographic peaks are significant;biologically altered gasoline?;e)TPH pattern that does not appear to be derived from gasoline M;f) <br /> one to s 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 Potrero. <br /> DHS Certification No. 1644 /�� Edward Hamilton,Lab Director <br />