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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> 24 http://www.mccampbell.com E-mail:main@mccampbell.com <br /> Roy F.Weston,Inc. Client Project ID: Home Depot. Tracy Date Sampled: 08/22/00 <br /> P.O.Box 2135 Date Received:08/22/00 <br /> Vallejo,CA 94592 Client Contact: Scott Lookingbill Date Extracted:08/22/00 <br /> Client P.O: Date Analyzed: 08/22-08/23/00 <br /> Diesel Range(C10-C23) &Motor Oil Range(18+)Extractable Hydrocarbons as Diesel and Motor Oil* <br /> EPA methods moditied 8015,and 3550 or 3510;California RWQCB(SF Bay Region)method GCFID(3550)or GCFID(3510) <br /> Lab ID Client ID Matrix TPH(d)+ TPH(mo)+ %Recovery <br /> Surrogate <br /> 45549 SB-1-5 S ND ND 9.1 <br /> 45550 SB-2-5 S ND ND 94 <br /> 45551 SB-3-5 S ND ND 94 <br /> 45552 GW-1 W ND,i ND 95 <br /> 45553 GW-2 W ND ND 119 <br /> 45554 GW-3 W ND,i ND 93 <br /> 45558 SB-4-5 S ND ND 91 <br /> 45559 GW-4 W ND,i ND 92 <br /> Reporting Limit unless otherwise 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 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 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 />