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110 2nd Avenue c y#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL,,4ALYTICAL INC. Telephone.92�-198-1620 Fax:925-798-1622 <br /> htW://www.mccami2hell.com E-mail: main@mccampbeli.com <br /> John P. Cummings&Associates Client Project ID.#0396012.11 Date Sampled: 08/24/99 <br /> P.O.Box 2847 Date Received: 08/25/99 <br /> Fremont,CA 94536-2847 CIient Contact:John Cummings Date Extracted:08/25/99 <br /> Client P.O: Date Analyzed: 08/29/99 <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 ID Client ID Matrix TPH(d)+ %Recovery <br /> Surrogate <br /> 17995 MW-1 W ND 112 <br /> 17996 MW-BT W 14D 99 <br /> "�a 3 <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 I STLC I 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 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 1 Edward Hamilton,Lab Director <br />