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p- <br /> '�N <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City,CA 94063 <br /> (415);3641-9600 - FM(415)364-9233 <br /> 5- <br /> Delta Environmental Consultants U—lent Proje6tb:40LW-535-01 �11611,81tmkt0n,CA <br /> 3330 Data 0.-Ivis yJ, <br /> N'Rancho Cordova,CA 95670 <br /> Attention ­,:eve Meesp, QC Sarnple Reported:— Feb 7. 199" <br /> QUALITY CONTROL DATA REPORT <br /> A-NALYTE Ethyl- <br /> Benzene Toluene b enz e n a Xenes <br /> Mrmhod: EPA 6= EPA 8020 EPA 8= EPA S= <br /> Analyst: G.Meyot G.Mayor 0.Mayer G.Mayer <br /> Reporting Units: ng no no no <br /> Date An-Ayzed: Feb 4, 1991 Feb 4, 1991 Feb 4, 1991 FEb 4, 1991 <br /> GC Sample G1012488 G1012488 G1012488 G1012488 <br /> Sample Cone.: N.D. N.D. N.D. N.D. <br /> Spike Cone. <br /> Added: 103 100 100 300 <br /> Cone.Matrix <br /> Spike: 98 100 100 310 <br /> Matrix Spike <br /> %Recovery: 98 100 100 100 <br /> Cone.matrix <br /> Spike Dup.' 97 98 99 300 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 97 98 99 100 <br /> FIGIntive 2.0 2.6 <br /> 0/*Difference: 1.0 2,0 <br /> .1201.101A.ANALYTICAL %Rmyerr, Canc.sFj <br /> ka Cone.tmqonc.ddedaf8arn210x 100,.._ <br /> A <br /> V <br /> B�Ia&c%Difforence: Cone.of m.S..Cone.of M.S.D. L'_n <br /> (dFnc.of M.S. Cone.of M.S.D.) <br /> 'a 020032.DLT <2> <br /> A.�c ir ir <br /> Project Manager <br />