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='NORTH <br /> _=CREEK <br /> ANALYTICAL <br /> 18939 120th Avenue N.E., Suhe 101 - Bothell, WA 98011-2569 <br /> Phone (206)481-9200 •FAX (206)485-2992 <br /> :�.;y}},.;:'F r�yy�,;v tyrti.}��:rr;,:s:k:Nin.:;.yr�i...}:�•x:.r:ta>r•:c..^^:.".:;xs>:a.}}.w.ron:�.:x...:,.ti::x>:..�r:�r:y:.,v,.:... <br /> 'x'1,whR`..,2�i0F>,y�i,.Y}£0.....:::FrvY:..w.:4?C. :.:.. .: ...:.. x+rrc,'�.,:,: •.�:yrc.�M.::�v,. -..}r+.:A..,.r^c•r::m,+r�.l:.v...:.>..:..r>�. .x�r;».:a.�;v,..y.....:.....::}tea:^.. <br /> •>}...a.,,c::Sie£�.'��:>:iidx:•.o>,.:.�r.fi.ark>:a>-Si::r#i�:;+t:�.a:ka:rz:hi::=;,,w:•:Sv �,.a t.:. v N: "S.`M�;.rjrxeac. ,:,.:.1:.>+. <br /> U' etfen Robertson & Kirsten Client Project ID: Diamond Lumber-LODI Analyst: M. Essig <br /> 15311 NE 90th Street Method : EPA 7421 l <br /> Redmond, WA 98052 Sample Matrbc: Water Digested: Dec 3, 1991 <br /> Attention: Dave Schwieger Units : erg/L <br /> h.: <br /> S' <br /> Anal <br /> D � <br /> Analyzed: ec � <br /> 3 -1 1' <br /> OC Sample #: 112-0008 Reported: Dec 41991{ <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Pb <br /> Sample Conc.: 78 <br /> Spike Cone. <br /> Added: 30 <br /> Conc. Matrix <br /> Spike: 110 <br /> Matrix Spike <br /> % Recovery: 107 <br /> Conc. Matrix <br /> Spike Dup.: 110 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery: 107 <br /> Relative <br /> % Difference: 0 <br /> CREEK ANALYTICAL %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 COCanOUr (Conc.o[M.S. + Conc.of M.S.D.) 2 <br /> boratory Director 1111234.SRK <4> <br />