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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> McCA11/IPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> httLLLwwwmccaYnpbelIcom E-mail main@mccampbell com <br /> r. <br /> Advanced GeoEnvironmental Client Project ID Flag City Date Sampled 03/27-03/28/02 <br /> 837 Shaw Road Date Received 03/28/02 <br /> Stockton, CA 95215 Client Contact Tim Cuellar Date Extracted 03/28/02 <br /> Client P O Date Analyzed 04/01/02 <br /> Lead* <br /> EPA analytical methods 6010/200 7,239 2* <br /> Lab ID Client ID Matrix Extraction° Lead* °/ Recovery <br /> Surrogate <br /> 0288 <br /> 0203513- Influent/032702 W TTLC ND N/A <br /> S TTLC 3 0 mg/kg <br /> Reporting Limitunless 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 (iCP)for soils, sludges, STLC & TCLP extracts and method 239 2 (AA Furnace) for water <br /> samples <br /> r DISTLC extractions are performed using STLC methodology except that deionized water is substituted for citric acid buffer as the <br /> extraction fluid DISTLC results are not applicable to STLC regulatory limits <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 /> . &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 />