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110 Second Avenue South,#D7,Pacheco,CA 94553 <br /> WCAMPBELL ANALYTICAL INC. Telephone:510-798-1620 Fax:510-798-1622 <br /> E-trail:inain@mcarwbell.com <br /> carwbell.com <br /> Advanced GeoEnvuonmental Client Project ID:Hickinbothan Date-Sampled:07107197 <br /> 1803 West March Lane,Ste A Brothers Union Safe Date Received:07/09/97 <br /> Stockton,CA 95207 Client Contact:Bill Little Date Extracted:07/09/97 <br /> Client P.O: Date Analyzed:07/09/97 <br /> Gasoline Range(C6-C12)Volatile Hydrocarbons as Gasoline*,with Methyl tert-Butyl Ether*&BTEX* <br /> EPA methods 5030,modified 8015,and SM or 602;California RWQCB(SF Bay method GCFID(5030} <br /> Lab ID Client ID Matrix TPH(g)+ MTBE Benzene Toluene Ethylben- Xylenes %Recovery <br /> zene Surrogate <br /> 78400 PB3-20 S ND ND ND ND ND ND 103 <br /> 78401 PB3-25 S ND ND ND ND ND ND 104 <br /> 78403 PB2-15 S ND ND ND ND ND ND 103 <br /> 78405 PBI-15 S ND ND ND ND ND ND 103 <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 m 0.05 0.005 0.005 0.005 0.005 <br /> the reporting limit gig <br /> water and vapor samples are reported in ug/l.,wipe samples in ugtwipe,soil and sludge samples in mg/kg,and all TCLP and SPLP extracts <br /> in ug/L <br /> "cluttered chromatogram;slur ple peak coelutes with surrogate peak <br /> 11re following descriptions of the TPH eluomatogmm 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 cornponrds(the most mobile fraction)are significant; d) gasoline range compounds having broad <br /> chromatographic peaks arc 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)ugly aged gasoline or diesel range confounds are significant;h)lighter than water irrarriscr'ble <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 />