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f =-NORTH <br /> WCREEK <br /> ANALYTICAL 18939 120th Avenue N E . Suds 101 • Bothell, WA 98011.2559 <br /> y�s Rhone (205)481-9200 •FAX (205)485-2992 <br /> sY:�' tiv,se.M��r«Mro�.o-�;err�.aT;..-� yYS"'�.v�..��'roa.•tu�c�>t,wi�L>i. ��e'c:.�.r�i4waL. 'f" M`'s 'r'.....'r `-.�` '�'x;".�f+�a�ur '�'�f`Y f"f48tMin;-:^r <br /> ' Steffen Robertson & Kirsten Client Project ID Diamond Lumber, Mantea, CA Analyst J K mball <br /> 15311 NE 90th Street Method EPA 418 1 mod <br /> Redmond, WA 98052 Sample Matrix Water <br /> Attention Rob Gwilym Units mg/L Analyzed Oct 22, 1991 " <br /> OC Sample # BUC102291 yt _ Reported Oct;R. rM; rt �xz p 23 1991 s� <br /> �` .e ri�>V,.>+`.i..ar..,-..0 rir.r r s f»�•,•• � .,•.• ~Yw �r+r�w vn�an�oa s br.L n��s�tett.. c x �.�r+h>kwv.A�wro..d._'wue�sr�T Aa.-+a..-wr ww.wwr ��r��i.Yo <br /> I <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Petroleum <br /> of <br /> Sample Conc N D <br /> Spike Conc <br /> Added 15 <br /> Conc Matrix <br /> Spike 12 <br /> Matrix Spike <br /> % Recovery 80 <br /> Conc Matrix <br /> Spike Dup 12 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery 80 <br /> Relative <br /> % Difference 0 <br /> H CREEK ANALYTICAL %Recovery Conc of M S •Conc of Sample x 100 <br /> SpAe Conc Added <br /> Relative %D�Flerence Conc of M S -Conc of M S D x 100 <br /> OZ COcanDUr (Conc of M S + Conc of M S D) 2 <br /> Laboratory Director 1100685 SRK c4> <br />