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110 2nd Avenue <br /> South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax: 925-798-1622 <br /> ' httP://www.mccampbell.com E-mail: main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: Strong Property Date Sampled: 06/25/01 <br /> 837 Shaw Road Date Received:06/27/01 <br /> Stockton, CA 95215 Client Contact: Brian Millman Date Extracted: 06/28-06/29101 <br /> Client P.O: Date Analyzed: 06/28-06/29/01 <br /> Gasoline Range(C&C12)Volatile Hydrocarbons as Gasoline*,with Methyl tent-Butyl Ether'* &BTEX* <br /> EPA methods 5030,modified 8015,and 8020 or 602;Califomia RWQCB{SF Bay Region}method GCFID(5030) <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethyl Xylenes %Recovery <br />' benzene y Surrogate <br /> 71062 MW 1/062501 W ND ND ND ND ND ND 96 <br /> 71063 MW2/062501 W 120,a ND 12 0.59 8.2 2.2 109 <br /> t71064 MW3/062501 W ND ND ND ND ND ND 94 <br /> 71065 MW4/062501 W ND ND ND ND ND ND 95 <br /> 71066 MW5/062501 W 95,a ND 3.5 ND 7.4' 4.3 100 <br /> 71067 MW6/062501 W_ ND ND ND ND 1.4 ND 98 <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 <br /> 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 SDLP 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?;c)TPH pattern that does not appear to be derived from gasoline(?);f) <br /> one to a few isolated peaks present, g)strongly aged gasaline 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 />