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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br />' http://www.mEE bell.com E-mail:main@mccampbell.com <br /> • <br />' Advanced GeoEnvironmental Client Project ID: MBP/.Lodi Date Sampled: 08/09/01 <br /> 837 Shaw Road Date Received: 08/10/01 <br />' Stockton, CA 95215 Client Contact: Bill Little Date Extracted: 08/10/01 <br /> Client P.O: Date Analyzed: 08/10/01 <br />' Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tent-Butyl Ether* & BTBX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GUID(5030) <br />' Recovery <br /> Lab ID Client ID Matrix TPH(g)�' MTBE Benzene Toluene Ethyl benzene Xylenes %Surrogate urrogate <br /> 74498 Influent Air 800,b,j ND ND 1.6 3.1 24 106 <br />' 74499 Effluent Air 490,b,j ND ND 1.3 1.9 13 97 <br /> lie <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 8 <br /> S 1.0 m 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 /> 1 A cluttered chromatogram;sarnple 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 /> 1 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(?);0 <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 />