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=NORTH <br /> �CREEK <br /> A&AANALYTICAL <br /> 18939 120th Avenue N E , Suite 101 - Bothell, WA 98011.2569 <br /> S?x fm �scr, +4 Phone(206)481-9200•FAX (206)485-2992 <br /> � � X`i bai.aic7aa�iFx�x+�..o�.k�rSsaA:.:�Cs.`�afhfiCa�eL ���o,.{„cC.�kaJ b?�i ewr.+a�.����.,agaY`Lv..w a.t:���''�Fw°amdcfixsd »�,3�•c��ry .o-ac� <br /> teffen Robertson &Kirsten Client Project ID Diamond Lumber, Mantea, CA Analyst MEssig"" <br /> 15311 NE 90th Street Method EPA 7421 <br /> #Redmond, WA 98052 Sample Matrix Water Digested Oct 21, 1991 <br /> Attention Rob Gwflyrn Unds pg/L Analyzed Oct 22, 1991 r <br /> _ OC Sample # 120-06a5 <br /> Reported Oct 22, 1991 <br /> ' ra } k a ' "a �µ ` a° rxssxx x'1 xtr fin °'tio-Krtosxce say �v <br /> 'Fra .e "�'cea ``'sa�o-,`t <br /> r <br /> OUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Sample Conc : 95 <br /> ' Spike Conc <br /> Added. 30 <br /> Conc Matrix <br /> _ Spike* 40 <br /> Matrix Spike <br /> % Recovery. 102 <br /> Conc. Matrix <br /> Spike Delp.: 38 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery: 95 <br /> Relative <br /> % Difference. 49 <br /> TH CREEK ANALYTICAL %Recovery Conc of M S -Conc of Sample x 100 <br /> x <br /> Spike Conc Added <br /> Relative%Dhffarence Conc of MS -Conc of M S D x 140 <br /> Cocanotur (Conc of M S + Conc of MSR} 2 <br /> JUV94LUry Director 1100685 SRK <e> <br />