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110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hilp//www mcq=ph Lcom E-mail main@mccampbell corn <br /> • <br /> i <br /> Date Sampled 1/20/99 <br /> Ground Zero Analysis,Inc Client Project ID #256,Gabbard <br /> 1714 Maw Street Date Received 01/21/99 1 �, <br /> Escalon,CA 95320 Client Contact John Lane Date Extracted 02/04/99 W <br /> Client P O Date Analyzed 02/04/99 <br /> Lead* <br /> EPA analytical methods 6010/200 7,239 2' <br /> Lab ID Client ID Matrix Extraction° Lead* %Recovery <br /> Surrogate <br /> 02120 GASB1-26GW W Dissolved ND NA <br /> S TTLC 3 0 mg/kg <br /> Reporting Limit unless otherwise <br /> stated,ND means not detected above W Dissolved 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 /> °EPA extraction methods 131 i(TCLP),3010/3020(water,TTLC),3040(organic matnces,TTLC),3050(sohds,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 /> • 1 methodologies and can significantly effect reported metal concentrations <br /> DHS Certification No 1644 ///'—Edward Hamilton, Lab Director <br />