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g : <br /> SEQU06.4k ANA IAL <br /> 680 Chesapeake[hive • Redwood City,CA 940 <br /> 63 <br /> (416)364-9600 FAX(415)364-9233 <br /> k.... zn= <br /> ClferrtPrefect ID:Eckhoim <br /> WaterWoric <br /> t .. _ <br /> /. <br /> 1710 Maln Street <br /> gEscalon,CA 95320d:May f% 1991 "€ <br /> Attention: Bill Channell QC Sample Grau : 1043731 X741 Re e :v <br /> as- - <br /> QUALM CONTROL DATA REPORT <br /> - ANALYTE � <br /> Beruens Tokxm Bamana X nae <br /> Method: EPA e w EPA 8x20 EPA 9020 EPA 8020 <br /> An*-St: G.Morr G.Mayar i3.Mayor G.Meyer <br /> Reporting Units: ng ng ng 09 <br /> Date Analyzed: Apr 25. 1991 Apr 25. 1991 Apr 25, 1991 Apir 25, 1991 <br /> cc;Sample#: GBLK042591 GBLK042591 GBLK042591 GBLK 04'591 <br /> Sample Conc.: N.D. N.D. N.D. N.D. <br /> Spike Cone. 100100 300 <br /> Added: i00 <br /> Cone.Matrix 280 <br /> Spike: 92 94 94 <br /> Matrix Spike 94 94 93 <br /> %Recovery: 92 <br /> Cone.Matrix 100 100 300 <br /> Spike Dup.: 93 <br /> Matrix Spike <br /> Duplicate 100 100 <br /> %Recovery: 93 1C0 <br /> Relative <br /> %Difference: 1.1 62 6.2 6.9 <br /> SBEit& <br /> UOIA ANALYTICAL x mcovarr. Cane.o!M.S.-Conc.of Sarr+ • x 100 <br /> / �pika Cone.fdded <br /> ` Re1et[re 9�l]hYo»na: Com-of M.S.-cane.00f M.S.D. x 100 <br /> Conc.of M.S.4 Gorrc.aE S C. : <br /> aIiaC3131.WAT <5� <br /> P sManager <br />