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a k ) , • <br /> 110 2nd Avenue South,#D7,Pacheco, CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> httn://www.mccamnbell.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID:N.El Dorado at Linds Date Sampled: 11/15/01 <br /> 837 Shaw Road Date Received: 11/16/01 <br /> Stockton, CA 95215 Client Contact: Suzanne Henderson Date Extracted: 11/16-11/21/01 <br /> Client P.O: Date Analyzed: 11/16-11/21/01 <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)* MTBE Benzene Toluene bEtthyyl- Xylenes o Sursogvce <br /> 83734 HA 1-6 S 470,g -- ND<0.05 ND<0.05 ND<0.05 ND<0.36 100 <br /> 83735 HAI-8 S 1.6,g -- ND 0.010 ND ND 106 <br /> 83736 HA2-5 S ND — ND 0.016 ND ND 100 <br /> 83737 HA2-8 S ND -- ND ND ND ND 102 <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 us/wipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> n 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 irmniscible <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 />