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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> 14 <br /> McCAMPBELL ANALYTICAL INC. Fhttp://www.mccamobcll.com <br /> Telephone:925-798-1620 Fax:925-798-1622 <br /> E-mail:main@mccampbell.com <br /> John P. Cummings&Associates Client Project ID:#0399014.00; 1161 Date Sampled: 12/21/99 <br /> P.O. Box 2847 Airport Date Received: 12/22/99 <br /> Fremont,CA 94536-2847 Client Contact: John Cummings Date Extracted: 12/22-12/27/99 <br /> Client P.O: Date Analyzed: 12/23-12/27/99 <br /> Gasoline Range(C6-02)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether* &BTEX* <br /> EPA methods 5030,modified 8015 and 8020 or 602;California RW CB SF BayRe ion method GCFID 5030 <br /> Lab ID Client ID Matrix TPH(g)' MTBE Benzene Toluene zene Ethylben- Xylenes %Recovery <br /> Surrogate <br /> 28056 East End S --- ND ND ND ND ND 91 <br /> 28057 West End S --- ND ND ND ND ND 103 <br /> 28058 Soil le S --- ND ND ND ND ND 90 <br /> 28059 Soil Pile S --- ND ND ND ND ND 94 <br /> West <br /> 28060 Soil Pipe L S --- ND ND ND ND ND 96 <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 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(?);t) <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 resent;i liquid sample that contains oater than—5 vol.%sediment;' no�recognizable attem. <br /> DHS Certification No. 1644 l SIJ/ Edward Hamilton,Lab Director <br />