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110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax: 925-798-1622 <br /> htW://www.mccampbgll.com E-mail: main@mccampbeIl.com <br /> • <br /> Advanced GeoEnvironrnental Client Project ID: #0106;Weldon Date Sampled: 05/27/98 <br /> 4005 North Wilson Way Church Date Received: 05/29/98 <br /> Stockton,CA 95205 Client Contact:Bill Little Date Extracted: 05/29/98 <br /> I Client RO: Date Analyzed: 05/29-06/01/98 <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 GCFID(5030) <br /> IEthylben %Recovery <br /> -zene <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Xylenes g <br /> 5urro ate <br /> 89753 MW-1/5-27-98 W ND ND ND ND ND ND 110 <br /> 89754 MW-2/5-27-98 W ND ND ND ND ND ND 106 <br /> 89755 MW-3/5-27-98 W ND ND ND ND ND ND 107 <br /> I89756 MW-415-27-98 W 2900,a ND<78 110 22 180 220 97 <br /> I 89757 MW-515-27-98 W ND ND ND ND ND ND 106 <br /> 89758 MW 98/5 -27- W ND ND ND ND ND ND 93 <br /> 89759 MW-69U8/5-27 W ND ND ND ND ND ND 108 <br /> 89760 9 60 MW-715-27-98 W ND ND ND ND ND ND 91 <br /> I <br /> I <br /> I <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 <br /> reportinimit mg/kg S 1.0 m /k 0.05 0.005 0.005 0.005 0.005 <br /> g l <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 sanrp}e that contains greater than -5 vol.%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />