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1 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> J4 h //www mccam bell cora E-mail main@mccampbell coin <br /> Advanced GeoEnvironniental Client Project ID Sierra Lumber Date Sampled 08/09/01 <br /> 837 Shaw Road Date Received 08/10/01 <br />' Stockton, CA 95215 Client Contact Tun Cuellar Date Extracted 08/10/01 <br />' Client P O Date Analyzed 08/10/01 <br /> Lead* <br /> EPA analytical methods 6010/200 7,239 2* <br /> Lab ID Client ID Matrix Extraction° Lead* o Recoatey <br />' 74513 SPA S TTLC <br /> 13 103 <br />' 74514 SP-2 S TTLC 29 98 <br /> I <br /> I <br /> IReporting Litntt unless otherwise S TTLC 3 0 mglkg <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 I SPLP/TCLP extracts in mg/L <br /> I `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 /> 0 DISTLC extractions are performed using STLC methodology except that deronized water is substituted for citric acid buffer as the <br /> extraction fluid DISTLC results are not applicable to STLC regulatory lirruts <br /> I <br /> 'EPA extraction methods 1311(TCLP),3010/3020(water,TTLC),3040(organic matnces,TTL.C),3050(solids,TTLC),STLC-CA Title 22 <br /> "surrogate diluted out of range,N/A 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 it3iorted meta]concentrations <br /> DHS Certification No 1644 Edward Harrulton,Lab Director <br /> I <br />