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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax :925-798-1622 <br /> http://Www.mecamnbell.com E-mail:main@mccampbell.com <br /> FAdvancedGeoEnvironmental Client Project ID: Chasa Van Buren. Date Sampledt 03/18/2002 <br /> Date Received:03/19/2002 <br /> Client Contact:Paul Dotson Date E enacted:03/20/2002 <br /> Client P.O: Date Analyzed:03/20/2002 <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 GCFM(5030) <br /> o Recovery <br /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene benzene Xylenes 3Rrrog to <br /> 0203320 SVE/18/ Air 120,a ND 8.4 ND 2.3 14 107 <br /> -OOlA 03/13/02 <br /> Reporting Limit unless Air 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 are significant(aged <br /> gasoline?); e) 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(?);i) <br /> one to a few isolated peaks present;g)strongly aged gasoline or diesel range compounds aFe significant;h)lighter than water irmnsmble <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 />