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ANORTH <br /> REEK <br /> ==--ANALYTICAL <br /> 18939 120th Avenue N.E.,Suite 101 - Bothell,WA 98011.2569 <br /> Phone (206)481-9200-FAX(206) 485-2992 <br /> Steffen Robertson& Mrsten Cllent Project ID: Diamond Lumber-Lodi, #32504.24 Analyst : D. Vandel <br /> 15311 NE 90th Street Method : EPA 7421 <br /> �Redmond,WA 98052 Sample Matrix: Water Digested: Apr Io, 1992 <br /> Attentfon: Dave Schwleger Unhs : Ng/L Analyzed: Apr 28, 1992 <br /> ^�+ DC Sample #: BLK041092 Reported: Apr 29 1992 <br /> zki.>;$...:w:�i£Yr:,x;�,e�-y :(,,,''? ';�4�"'?:63}0'.'" „i"^�r'^T:'?'< .,.•h?i':a°:..er.w:: ...: ,a < <br /> d..r.—nx_, sii«ntci2�::u....&.,G.t;;:ic7.<:uw,asfc....a,T,:a'.w..::.s,..utvb. .t�:;t .'-.``w''::sft.iv:Y• <>:t+:::.<..r.; '','•,x;�:Z., ,t- <br /> : <br /> DUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Sample p e Conc.: N.D. <br /> tSpike Cone, <br /> Added: 30 <br /> Conc. Matrix <br /> Spike: 30 <br /> Matrix Spike <br /> % Recovery: 100 <br /> Conc. Matrix <br /> Spike Dup.: 26 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery: 87 <br /> ' Relative <br /> % Difference: 14 <br /> RTH CREEK ANALYTICAL Inc x Recovery: Conc,of M.S.-Conc.of Sampie x 100 <br /> Spike Conc.Added <br /> Relative%Difference: Conc.of M.S.-Conc.of M.S.D. x 100 <br /> t Cocanoir (Conc.of M.S. + Conc.of M.S.D.) 2 <br /> boratory Director <br /> 2040431.SRK <4> <br />