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110 Second Avenue South,#fD7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone.925-798-1620 Fax:925-798-1622 <br /> hnp://www.mccampbell.com E-mail:main@mccampbell.com <br /> Advanced GeoEnviromnental Client Project ID:Waterloo Food and Date Sampled: 02/11/99 <br /> 4005 North Wilson Way Fuel Date Received: 02/12/99 <br /> Stockton,CA 95205 Client Contact:Robert Marty Date Extracted: 02/12/99 <br /> Client P.O: Date Analyzed: 02/12/99 <br /> Lead* <br /> EPA analytical methods 6010/200.7,239.2* <br /> o <br /> Lab 1D Client ID Matrix Extraction Lead* %RecoverySurrogate <br /> 03294 SS2-1-4 S TTLC 7.5 95 <br /> S TTLC 3.0 mg/kg <br /> Reporting Limit unless otherwise <br /> stated;ND means not detected above W TTLC 0.005 mg/L <br /> the reporting limit <br /> --- STLC,TCLP 0.2 mg/L <br /> *soil and sludge samples are reported in mg/kg,wipe samples in ug/wipe,and.;'ater sameles and all STI.0 I SPLP I TCLP extracts in mg/L <br /> `Lead is analysed using EPA method 6010 (ICP)for soils, sludges, STLC &TCLP extracts and method 239.2 (AA Furnace) for water <br /> samples <br /> °EPA extraction methods 1311(TCLP),3010/3020(water,TTLC),3040(organic matrices,TTLC),3050(solids,TTLC);STLC-CA Title 22 <br /> tl surrogate diluted out of range;NIA means surrogate not applicable to this analysis <br /> &reporting limit raised due matrix interference <br /> i) liquid sample that contains greater than —2 vol. % sediment; this sediment is extracted with the liquid, in accordance with EPA <br /> methodologies and can significantly effect reported metal concentrations. <br /> DHS Certification No. 1644 /Z/ Edward Hamilton,Lab Director <br />