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110 2nd Avenue South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> 14ht //www mcc=pbellcoin E-mail main@mecampbell corn <br /> Advanced GeoEnvironmental Client Project ID Tracy Diner Exe Date Sampled 10/23/00 <br /> 4005 North Wilson Way Date Received 10/24/00 <br /> Stockton, CA 95205 Client Contact Bill Little Date Extracted 10/24/00 <br /> Client P O Date Analyzed 10/24/00 <br /> Lead* <br /> EPA analytical methods 6010/200 7,239 2+ <br /> Lab ID Client ID Matrix Extraction° Lead* %Recovery <br /> Surrogate <br /> 51177 EW S TTLC ND NA <br /> i 51178 NW S TTLC 53 NA <br /> 51179 5W S TTLC 3 8 NA <br /> i51180 WW S TTLC ND NA <br /> 51181 Floor S TTLC ND NA <br /> i <br /> i <br /> i <br /> I <br /> i 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 I SPL?I 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 /> ® 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 131/(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 % sediment this sediment is extracted with the liquid, in accordance with EPA <br />' methadolagtes and can significantly effect reported metal concentrations <br /> DHS Certification No 1644 Edward Hamilton, Lab Director <br />