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r <br /> 110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax:925-798-1622 <br /> hE2://www.mccampbell.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: Church Property Date Sampled: 05/07/98 <br /> 4005 North Wilson Way Date Received: 05/08/98 <br />' Stockton, CA 95205 Client Contact. Bill Little Date Extracted: 05/08/98 <br /> [Client P.O: Date Analyzed: 05108-05/11/98 <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 />' Lab ID Client ID Matrix TPH(g)+ Ethylben- %Recovery MTBE Benzene Toluene zene Xylenes Surrogate <br /> 88973 B13-6' S 330,b,j,i --- ND<0.02 3.8 4.9 12 108 <br />' 88974 814-5' S ND --- ND ND ND ND 96 <br /> 88975 B14-10' S ND --- ND ND ND ND 99 <br />' 88976 B15-6' S ND --- ND ND ND ND 98 <br /> 88977 B15 H2O W ND --- ND ND ND ND 82 <br /> I <br /> 1 <br /> I <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 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 aresignificant(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 sample that contains greater than—5 vol.%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 /if� Edward Hamilton,Lab Director <br />