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1 <br /> 110 2nd Avenue South,9137,Pacheco,CA 94553-5560 <br />' MCCAWBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> littp//www mccamobelI com E-mail main@mccampbell cam <br /> 1 <br /> Advanced GeoEnvirorimental CIient Project ID Flag City Chevron Date Sampled 05/03/01 <br />' 837 Shaw Road Date Received 05/04/01 <br /> Stockton, CA 95215 Client Contact Tun Cuellar Date Extracted 05/04/01 <br />' Client P O Date Analyzed 05/04/01 <br /> Lead* <br />' EPA analytical methods 6010/200 7,239 24 <br /> Lab ID Client ID Matrix Extraction° Lead* %Recovery <br /> Surrogate <br />' 66749 EFFLUENT W TTLC ND NIA <br /> 1 <br /> 1 <br /> I <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 m 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 /> DISTLC extractions are performed using STLC methodology except that deionized water is substituted for citnc 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 niterference <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 carr srgntficanily effect reported meta]concentrations <br /> IDHS Certification No 1644 Edward Hamilton,Lab Director <br />