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V I 10 Second Avenue4e.eih,4D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax :925-798-1622 <br /> hM2://www.mccaml2bell.com E-mail:main@mccampbell.com <br /> Advanced GeoEnvironmental Client Project ID: Grewall's Date Sampled: 07/27/98 <br /> Date Received: 07/28/98 <br /> 4005 North Wilson Way <br /> Stockton, CA 95205 Client Contact: Tim Cuellar Date Extracted: 07/28/98 <br /> Client P.O: Date Analyzed: 07/29/98 <br /> Lead* <br /> EPA analytical methods 6010/200.7,239.2' <br /> Lab ID Client ID Matrix Extraction° Lead* %Recovery <br /> Surrogate <br /> 92772 SP-1,2 S TTLC 12 102 <br /> 92773 SP-3,4 S TTLC 9.8 103 <br /> 92774 SP-5,6 S TTLC 16 99 <br /> 92775 T 1-A S TTLC 19 104 <br /> 92776 TI-B S TTLC 8.4 106 <br /> 92777 T2-A S TTLC 17 106 <br /> 92778 T2-B S TTLC 7.4 103 <br /> 92779 T3-A S TTLC 6.3 103 <br /> 92780 T3-B S TTLC 7.2 104 <br /> 92781 P-1 S TTLC 12 104 <br /> 92782 P-2 S TTLC 11 105 <br /> 92783 P-3 S TTLC 9.5 105 <br /> 92784 P-4 S TTLC 9.7 103 <br /> 92785 P-5 S TTLC 9.0 104 <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 water samples and all STLC/SPLP/TCLP extracts in mg/L <br /> 'Lead is analysed using EPA method 6010 (1CP)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 /> surrogate diluted out of range;N/A means surrogate not applicable to this analysis <br /> n 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 />