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110 Second Avenue South,#D7,Pacheco,CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Telephone:510-798-1620 Fax:510-798-1622 <br /> 24 http://www.mccampbell.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: Steel Guard Date Sampled: 08/18/97 <br /> 1803 West March Lane,Ste A Date Received:08/20/97 <br /> Stockton,CA 95207 Client Contact:Bill Little Date Extracted: 08/20/97 <br /> Client P.C: Date Analyzed:08/20-08/22/97 <br /> Diesel Range(C10-C23)Extractable Hydrocarbons as Diesel* <br /> EPA methods modified 8015,and 3550 or 3510;California R\47QCB(SF Bay Region)method GCFID(3550)or GCFID(3510) <br /> Lab ID Client ID Matrix TPH(d)- %Recovery <br /> Surrogate <br /> 79955 P1-5 S ND 96 <br /> 79956 P2-5 S 1.6,c 98 <br /> 79957 P3-5 S I0,000,a,b 104 <br /> 79958 P4-5 S ND 96 <br /> 79961 P7-5 S ND 103 <br /> 79962 P8-5 S ND 103 <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 ug/wipe,soil and sludge samples in mg/kg,and all TCLP/STLC/SPLP <br /> extracts in ug/L <br /> "cluttered chromatogram 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(?);f) <br /> one to a few isolated peaks present; g)oil range compounds are signific t;h)lighter than water immiscible sheen is present; i)liquid <br /> sample that contains greater than—5 vol.%sediment. <br /> DHS Certification No. 1644 Cc--Edward Hamilton,Lab Director <br />