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f <br /> 110 Second Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL. INC. Telephone;925-798-1620 Fax:925-798-1622 <br /> hht pa/www.mccampbell.cgp3 E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Date Sampled: 12/22/98 <br /> 4005 North Wilson Way Client Project ID:MBP-Navy Drive; Date Received: 12/22/98 <br /> Stockton,CA 95205 Client Contact: Bill Little Date Extracted: 12/24/98 <br /> Client P.O: Date Analyzed: 12/24-12/30/98 <br /> Lead* <br /> EPA analytical methods 6010/200.7,239.2* <br /> Lab ID Client ID Matrix Extraction° Lead* %Recovery <br /> Surrogate <br /> 00778 TK1-12122!98 W TTLC ND NA <br /> 00779 TK4-12122198 W TTLC 0.063 NA <br /> 00781 SP2-i S TTLC 7.8 101 <br /> 00782 SP2-2 S TTLC 5.4 101 <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/i, <br /> "soil and sludge samples are reported in mg/kg,wipe samples in ug/wipe,and water samples and all STLC I SPLP!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),301013020(water,TTLC),3040(organic matriccs,TTLC),3050(solids,TTLC);STLC-CA Title 22 <br /> 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 ,;/—Edward Hamilton,Lab Director <br />