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' 110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell com E-mail main@mccampbell cam <br /> Advanced GeoEnvuonmental Client Project ID National Freight Date Sampled 05/3 1/01 <br /> 837 Shaw Road Date Received 06/01/01 <br />' Stockton, CA 95215 Client Contact Paul Dotson Date Extracted 06/01/01 <br /> Client P 0 Date Analyzed 06/01/01 <br />' Diesel Range(C10-C23)Extractable Hydrocarbons as Diesel <br /> EPA methods modified 8015,and 3550 or 3510,California RWQCB(SF Bay Region)method GCFID(3550)or GCFID(3510) <br />' Lab 1D Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> 68792 MWI/05-31-01 W 21,000,a,h 9I <br />' 68793 MW2/05-31-01 W ND 89 <br /> 68794 MW3/05-31-01 W ND 89 <br /> 1 <br /> Reporting Limit unless otherwise W 50 ug/L, <br /> stated,ND means not detected above <br />' the reporting limit S 10 mg/kg <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 I STLC I SPLP <br /> extracts in ug/L <br />' 0 cluttered chrorriatogiam resulting in coeluted 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 <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 (9),f) <br /> one to a few isolated peaks present, g)oil range compounds are significant, h)lighter 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 /> 1 <br />