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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> '=Escalon,CA <br /> �� �}$,R�fWi6k�t '. � :Gllent Rro�ect ID: #147, Stephens Marine <br /> et5320s Frantz OC Sart: a Group: 010-2737 Re orled• Nov 5, 1990 <br /> „-y ;r;;o yt:�'ii:'i}•?:;,"i>E :$L;ri`+.+ `'S:;s,}`i::...iw'sr w-:'2}:;j�y{.�r Nov <br /> y 7YGs *®'�Y-A 'k <br /> { <br /> i <br /> l <br /> OUALITIf CONTROL DATA REPORT <br /> Y <br /> ANALYTE Benzene Toluene Ethyl Xylenes Diesel <br /> Benzene <br /> j <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015 <br /> Analyst: J.Nnsay JOnsay J.Dlnsay J:Dlnsay M.Ramos <br /> Reporting Units: ng ng ng ng <br /> W6 Analyzed: oct 3t, 19m Oct 31, 1990 Oct 31, 19W Oct 31, 1990 Oct 24, 1990 <br /> s OC Sample#: 1.301019333 G0103333 G0103333 G0103333 Dr <br /> Sample Cone.: N.D. N.D. N.D. N.D, N.G. 4 <br /> ,Spike Cone. <br /> Added: 100 100 100 300 300 <br /> g <br /> Cone.Matrix <br /> Spike: 97 97 96 290 300 <br /> S } <br /> Matrix Spike <br /> %Recovery: 97 97 96 97 98 <br /> x <br /> Cont:.Matrix <br /> Spike Dup.: 100 100 100 300 290 <br /> i <br /> Matrix Spike ; <br /> Duplicate <br /> %Recovery: 100 100 100 100 96 <br /> l <br /> Relative <br /> %Difference: 3.0 3.0 4.0 3.3 2.4 <br /> SEQUOIA ANAL'YTI AL %Recovery: Coni.of M1.S.-Cone.of Sample X 100 <br /> ll`� Spike Conc.Added <br /> VV}i u Relative 9G Difference: Cone.of M.S.-Ciana,of M.8.D. x 100 <br /> . Elizabeth Hac I Kona.of M.S. +1,onc,of 1v1.S.D. 2 <br /> Project Manager 102737.WAT <3> <br />