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110 2nd Avenue South, 7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax:510-798-1622 <br /> John P.Cummings&Associates Client Project ID: #03961200; Piedmont Date Sampled:07/19/96 <br /> P.O.Box 2847 Tracy <br /> Date Received:07/22/96 <br /> Fremont,CA 94536-2847 Client Contact:John Cummings Date Extracted:07/22/96 <br /> Client P.O: Date Analyzed:07/22/96 <br /> Diesel Range(00-C23)Extractable Hydrocarbons as.Diesel • <br /> EPA methods modified 8015 and 3550 or 3510•California RW CB 3F Bay Re 'on method GCFID 3550 or GCFID 3510 <br /> Lab ID Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> 67141 S-1 S 870,d 101 <br /> 67142 S-2 S 110,d 103 <br /> Reporting Limit unless other- W 50 ug/L <br /> wise stated;ND means not de- <br /> tected above the reporting limit S 1.0 mg/kg <br /> *water samples are reported in ug/L,soil and sludge samples in mg/kg,and all TCLP and STLC extracts in mg/L <br /> # cluttered chromatogram resulting in coeluted surrogate and sample peaks,or;surrogate peak is on elevated <br /> baseline,or;surrogate has been diminished by dilution of original extract. <br /> + The following descriptions of the TPH chromatogram are cursory in nature and McCain_pbell Analytical is not <br /> responsible for their interpretation: a) unmodified or weakly modified diesel is significant; b) diesel range <br /> compounds are significant;no recognizable pattern;c)aged diesel?is si icant);d)gasoline range compounds <br /> are significant;e) medium boiling point pa tern that does not match Id esseet((?); fj one to a few Isolated peaks <br /> present;g)oil range compounds aro significant;h)lighter than water immiscible sheen is present;i)liquid sample <br /> that contains greater than— 5 vol. n sediment. <br /> DH S Certification No. 1644 �� Edward Hamilton,Lab Director <br />