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110 2nd Avenue Sou 137,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> httv://Www.mccamDbell.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID:Ace Tomato Borings Date Sampled: 02/20/01 <br /> 837 Shaw Road Date Received:02/22/01 <br /> Stockton,CA 95215 Client Contact:Bill Little Date Extracted:03/01/01 <br /> Client P.O: Date Analyzed:03/02/01 <br /> LDiesel Range(C10-C23)and Oil-Range(C18+)Extractable Hydrocarbons as Diesel and Motor Oil* <br /> EPA methods modified 8015,and 3550 or 3510;California RVVQCB(SF Bay Region)method GCF1D(3550)or GCF1D(3510) <br /> Lab ID Client ID Matrix TPH(d)+ 'T'PH(ma)+ %Recovery <br /> Surrogate <br /> 60649 B2-60 S ND ND 90 <br /> L <br /> L <br /> L <br /> L <br /> L <br /> L <br /> L <br /> Reporting limit unless otherwise W 50 ug/L 250 ug(L <br /> stated;ND means not detected above <br /> the reporting limit S 1.0 mg/kg 5.0 mg/kg <br /> *water samples are reported in ug/L,wipe samples in ug/wipe,soil and sludge samples in mg/kg,and all TCLP!STLC/SPLP extracts in <br /> L <br /> ug/L <br /> "cluttered chromatogram resulting in eoelutcd surrogate and sample peaks,or,surrogate peak is on elevated baseline,or;surrogate has been <br /> diminished by dilution of original extract. <br /> L '11re following descriptions of the TPH chromatogram are cursory in nature and McCampbelI Analytical is not responsible for their <br /> 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 significant;b)lighter than water immniscible sheen is present; i)liquid <br /> f sample that contains greater than—5 vol.%sediment <br /> DHS Certification No. 1644 Edward Hamilton,Lab Director <br />