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110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br />' McCA APBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> ft//www mccqmpbell com E-mail main@mccampbell com <br /> s <br /> Advanced GeoEnvironmental Client Project ID Flag City Chevron Date Sampled 01/03/01 <br /> 4005 North Wilson Way Date Received 01/04/01 <br /> Stockton, CA 95205 Client Contact Tim Cuellar Date Extracted 01/04/01 <br />' [Lhent P O Date Analyzed 01/04/01 <br /> Lead* <br /> EPA analytical methods 6010/200 7,239 2+ <br />' Lab ID Client ID Matrix Extraction° Lead* %Recovery <br /> Surrogate <br /> 57225 Influent W TTLC ND N/A <br />' 57226 Effluent W TTLC ND N/A <br /> 1 <br /> I <br /> I <br /> S TTLC 3 0 mg/kg <br /> Reporting Ltmrt unless otherwise <br /> stated,ND means not detected above W TTLC 0 005 mg/L <br /> the reporting lima <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 /> sarnples <br /> DISTLC extracuons are performed using STLC methodology except that deionizcd 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 I I I I(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 limit raised due matrix interference <br /> i) liquid,sample that contains greater than --2 vol °/a sediment, this sediment is extracted with the liquid, in accordance with EPA <br /> methodologies and can significan$y et7ect reported metal concentrations <br /> DHS Certification No 1644 Edward Hamilton,Lab Director <br />