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' 110 2nd Avenue South #D7,Pacheco CA 94553-5560 <br /> MICA-MPBELL ANALYTICAL INC. Telephone: 925-798-1620 Fax: 925-798-1622 <br />' httn:/1www_mccampbell.com E-mail:main@mccampbelI.com <br />' Advanced GeoEnvironmental Client Project ID: Weldon Church Date Sampled: 11/19/2001 <br /> 837 Shaw Road Properties Date Received: 11/21/2001 <br />' Stockton,CA 95215 Client Contact: Paul Dotson Date Extracted: 11/21-11/26/2001 <br /> Client P.O: Date Analyzed: 11/21-11/26/2001 <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(5F Bay Region)method GCF1D(5030) <br />' Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery <br /> benzene Surrogate <br /> 84122 MWI111190 W I1,000,a ND<100 840 730 99 650 107 <br />' 84123 MW2111190 W ND ND ND ND ND ND 109 <br /> 84124• MW3/11190 W ND ND ND ND ND ND 102 <br />' 84I25 MW4111190 W 4700,a ND<10 63 8.1 110 68 112 <br /> 84126 MW5111190 W ND ND ND ND ND ND 103 <br />' 84127 MW9011II W ND ND ND ND ND ND 109 <br /> 84128 MW6L/1119 W ND ND ND ND ND ND 109 <br /> 84129 MW7/1 11190 W ND, ND ND ND ND ND 105 <br /> 1 <br />' Reporting Limit unless W 50 ug/L 1 5.0 0.5 0.5 0.5 0.5 <br /> otherwise stated;ND <br /> means not detected above S 1.0 mg/kg 0.05 0.005 0.005 0.005 0.005 <br />' the reporting limit <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 sample that contains greater than—5 vol.%sediment;j)no recognizable pattern. <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />