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�. <br /> 0-1 <br /> Mz <br /> � `'"'w.�4'4i.h�,°',. �"+`P�'�}.:' �"?�49Y :�y tr�4.� ..�tiyo-,_� --sem,,Y'.��m'c��� .,I'• .a� ,_wl "..'�e <br /> � <br />"e <br /> s <br /> I <br /> SEQUOIA ANALYTICAL <br /> - 1900 Sates Avenue a Suite LM • Concord. California 94520 <br /> (415)66&9600 - FAX(415) 686.9689 <br /> ,:,;� S:A'•:,i.:�rn a�w.ti.,. :40.88-5 <br /> �� 7w>r».a. :�s .a✓-w--"-"`� �s._."a�',.''.;.ww+�y:«�".�-.w...�'� u"`�"^.,'a""ea"... <br /> Delta Errvlronmental Consultants Gent Project lb: SHf=l.i <br /> -- 43330 Data Ortve <br /> Rancho Cordova,CA 35670 Group-i :Oct 29, 1990 <br /> =0 tlon: Steve MOOSe QC Sam a . 0053&-40 w � <br /> O1 <br /> Repo <br /> a� <br /> 011lAL ITY CONTROL.DATA REPORT <br /> a : — elnyl <br /> ANALYTE <br /> E3anzena <br /> Toluene Benzene Xylenes <br /> s Method: EPA8015/8020 EpA8o15/8020 EPA8015/8020 EPA015/8020 <br /> Analyst: E Hamilton E Hamilton E Harnoton E.Hamilton <br /> Reporting Units: WX Fg/L WL fig/L <br /> = Date Analyzed: Oct 25. 15 1 Oct 25, 1990 Oct 25, 1990 fact 25, 19W <br /> OC Sample#: 010-0623 ',j10-0M 010-0623 0104= <br /> { Sample Conc.: N.D. N.D. N.D. N.D. <br /> i.,— Spike Conc. <br /> Added: 20 20 20 60 <br /> f -0 <br /> Conc.Matrix <br /> Spike: 19 19 20 58 <br /> Matrix Spike 100 97 <br /> r <br /> %Recovery: 95 95 <br /> Conc.Matrix <br /> Spike Dup.: 19 19 19 57 <br /> Matrix Spike <br /> Duplicate <br /> kn <br /> %Recovery: 95 95 95 95 <br /> i . <br /> Relative <br /> %Dliference: 0 0 5.1 1.7 <br /> 4 . <br /> N'N <br /> i SYEQUOIA ANALYTICAL %C;ecovery: Conc.of M.S.-Conc.of Sample x 100 <br /> Spike Cone.Added <br /> Relative%Difference: Conc.of M.S.•Conc.of M.S.D. x 100 <br /> J la R.Malersteln (Conc,of M.S.+Canc. 100036.DLT <2> <br /> -- Ffroject Manager <br /> 1 <br />