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'NORTH <br /> CREEK <br /> ANALYTICAL <br /> 18939 120th Avanuo N.E•,5uito 101 •Bothell,WA 98011.2569 <br /> Phone(206)481.9200•FAX(206)485-2992 <br /> Ano st: R.Lister <br /> Steffen Robertson&Kirsten Client ProJecf ID: Diamond Lumber•LDUI,32504.24 y S.Stowell <br /> 15311 NE 90th Street Method: EPA5030/8020 ; <br /> �Redmond,WA 98052 Sample Soil Analyzed: Dec 3, 1991;.; <br /> Attention: Terry Mudder Units'. mg/kg Reported Dec 5 1991 <br /> C Samele 111 1204 r� <br /> _.w w.• <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE t lhyl <br /> i Benzene Toluene 6enzeno Xylenes <br /> t <br /> F'r <br /> !: p <br /> Sam le Canc.: N•DN.D. N.D. N.D. <br /> tR <br /> Spike Cone. <br /> Added: 0.50 0.50 4.50 1.50 <br /> 1 , <br /> Conc.Matrix <br /> Spike: 0.35 0.38 0.45 1.31 <br /> r_v <br /> Matrix Spike 90 $7 <br /> %Recovery: 70 75 <br /> Conc.Matrix 0.44 0.47 1.18 <br /> ' Spike Dup.. 0.36 <br /> Matrix Spike <br /> Duplicate80 94 92 <br /> d %Recovery: 76 <br /> Relative 5.1 4,3 5.2 <br /> %Difference: 2.8 <br /> ... <br /> Cone.of M.S.-('+are.of Sample x 100 <br /> ` NORTH CREEK ANALYTICAL Recovery: Spike Cane,Added <br /> F „✓ x 100 <br /> iCone.ol <br /> �Y Relative%r)itJe�ence.' thSs+Conc.or rrs.S.D.i 2 <br /> of Cocanour 1111211.SRK ga> <br /> Laboratory Director <br /> t1 <br />