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1 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br />' McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax: 925-798-1622 <br /> httn://www.mccampbell.com E-mail: main@mccampbell.com <br /> IAdvanced GeoEnvirom-rental Client Project ID: Weldon Chruch Date Sampled: 02/24/00 <br /> 4005 North Wilson Way Date Received: 02/25/00 <br /> IStockton,CA 95205 Client Contact:Nuel Henderson Date Extracted: 02/25/00 <br />' Client P.O. Date Analyzed: 02/25/00 <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;California RW B SF Bay Re ion method GCFID 5030 <br />' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 31680 MW 1 W 880,a ND<9 150 54 27 60 100 <br />' 31681 MW2 W ND ND ND ND ND ND 98 <br />' 31682 MW3 W ND ND ND ND ND ND 99 <br /> 31683 MW4 W 1400,a ND<24 57 8.5 67 64 98 <br />' 31684 MW5 W ND ND ND ND ND ND 98 <br /> 31685 MW6u W ND ND ND ND ND ND 99 <br /> 31686 MW61 W ND ND ND ND ND ND 98 <br /> 31687 MW7 W ND ND ND ND ND ND 100 <br />' Reporting Limit unless W 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 ugIL,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br />' in ug/L <br /> 4 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 /> Isheen is resent;i liquid sample that contains greater than—5 vol.%sediment; no recognizable pattern. <br /> DHS Certification No. 1644 , Edward Hamilton, Lab Director <br />