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F <br /> I 10 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax :925-798-1622 <br /> tJ�p•//www.mccamnbc1l&om E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: #0185; Shochey Date Sampled: 06/11/98 <br /> 4005 North Wilson Way Trucking Date Received: 06/15/98 <br /> ' <br /> Stockton,CA 95205 Client Contact: Bill Little Date Extracted: 06/15-06/16/98 <br /> ' Client P.O: Date Analyzed: 06115-06/16/98 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> 1 EPA methods 5030,modified 8015,and 8020 or 602;California RWQCB(SF Bay Region)method GCFID(5030) <br /> Lab ID Client 1D Matrix TPH(g)' MTBE Benzene Toluene _zene Ethylben Xylenes %Recovery <br /> Surrogate <br /> 90464 MW-1-6/11/98 W 92,b ND ND ND ND ND 104 <br /> 90465 MW-2-6/11/98 W ND ND ND ND ND ND 105 <br /> ' 90466 MW-3-6/11/98 W ND ND ND ND ND ND 105 <br /> 90467 MW-4-6/11198 W 230,b ND 0.55 ND ND ND 101 <br /> 1 <br /> 1 <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 g�0 <br /> reporting limit m g 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 /> .. <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 pattem 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;j)no recognizable pattern. 4 <br /> DHS Certification No. 1644 / /,/—Edward Hamilton, Lab Director <br />