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110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax :925-798-1622 <br />' httpa/wwwTmcQmpbcll.com E-mail:main@mccampbelI.com <br />' Advanced GeoEnvironmental Client Project ID: Shodley& Sons Date Sampled: 12/01/98 <br /> 4005 North Wilson Way Trucking Date Received: 12/02/98 <br /> Stockton,CA 95205 Client Contact: Bill Little Date Extracted: 12/02/98 <br /> Client P.O: Date Analyzed: 12102-12/07/98 <br /> Diesel Range(C10-C23) Extractable Hydrocarbons as Diesel * <br /> EPA methods modified 8015,and 3550 or 3510;Califomia RWQCB(SF Hay Region)method GCF1D(3550)or GCF1D(3510) <br /> Lab ID Client ID Matrix TPH(d)` %Recovery <br />' Surrogate <br /> 99488 MW2/12-1-98 W 490,c 99 <br />' 99489 MW3/12-198 W 330,c 104 <br /> lie <br /> i <br />' Reporting Limit unless otherwise W 50 ug/L <br /> stated;ND means not detected above <br /> the reporting limit S 1.0 mg/kg <br />' *water and vapor samples are reported in ug/L,wipe samples in u-e/wipe,soil and sludge samples in mg/k„and all TCLP 1 STLC/SPLP <br /> extracts in ug/L <br />' a cluttered chromatogram resulting in coetuted surrogate,and sample peaks,or;surrogate peak is on elevated baseline,or;surrogate has been. -- <br /> diminished by dilution of original extract. <br /> 'The following descriptions of the TPH chromatogram are cursory in nature and McCampbell' Analytical is not responsible for Their interpretation:a)unmodified or weakly modified diesel is significant;b)diesel range compounds are significant;no recognizable pattern;c) <br /> aged diesel? is significant);d)gasoline range compounds are significant;e)medium boiling point pattern that does not match diesel (?); f) <br /> one to a few isolated peaks present; g)oil range compounds are skiniticani; h) fighter than water immiscible sheen is present; i) liquid <br /> sample that contains greater than--5 vol.%sediment. <br /> DHS Certification No. 1644 /Edward Hamilton, Lab Director <br />