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I 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> httt //www inccarnpbell com E-mail matn@mccampbell com <br /> Advanced GeoEnvironmental Client Project ID Flag City Chevron <br /> Date Sampled 06/04/01 <br />' 837 Shaw Road Date Received 06/05/01 <br /> Stockton,CA 95215 Chent Contact Tun Cuellar Date Extracted. 06/05/01 <br /> Client P O Date Analyzed 06/05/01 <br /> Lead* <br />' EPA analytical methods 6010/200 7,239 2* <br /> Lab ID Client ID Matrix Extraction° Lead* %Recovery <br /> Surrogate <br />' 69040 INFLUENT W TTLC ND NIA <br /> 69041 EFFLUENT W TTLC ND N/A <br /> 1 <br />' S TTLC 3 0 nig/kg <br /> Reporting Linvt 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 /> i <br /> *sail 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 /> 0 DISTLC extractions are performed using STLC methodology except that de,onized water is substituted for citric acid buffer as the <br />' extraction fluid DISTLC insults are not applicable to STLC regulatory limits <br /> °EPA extraction methods 1311(TCLP),3010/3020(water,TTLC),3040(organic matnces,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 hunt raised due matrix interference <br /> i) liquid sample that contams greater than —2 vol °/u 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 />