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_ a <br /> F1 1LYTIL <br /> 680 Cheaapsake Drive • Redwood City,CA 94063 RECEIVED MAY <br /> {415)364.96{70 FAX(415)364.9233 <br /> Watetwc CI[en[Protect ID:Reeves Exxon,388 � < <br /> 11710 Main Street : <br /> Escalon,CA 95320 <br /> k <br /> Attention: BUI Channell CC Sample Group: 1042585-2995 Re +red:May 1, 1991 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> I Lead Ha:avalant Chromium Cadmium Chrumfum Zana Lead <br /> Method: EPA7421 EPA7196 EPAS010 EPA6010 EPA8010 EPA 7421 <br /> PP Analyst: R Eastman Y.Anaaga S.Foster S.Foster S.Foster V.Patel <br /> Reporting UnIts: mgfKg mg/kg mg/kg mg/kg mg/kg mg/kg <br /> Date Analyzed: Apr 24, 1991 Apr 19, 1991 APr 26, 1991 Apr 26, 1991 Apr 2a, 1991 Apr 30, 1291 <br /> QC Sample;g: 1042988 104-3083 104-4140 104-4140 104-4140 104-2910 <br /> F <br /> Sample Cone-, 93 N.D. 4.2 25 54 16 <br /> Spike Cone. <br /> r.� Added: 50 5.0 250 250 250 50 <br /> Conc.Matrix <br /> Spike: 54 4.8 290 260 270 63 <br /> Matrix Spike <br /> %Recovery: 89 96 100 94 66 94 <br /> Conc.Matrix <br /> Spike Dup.: 53 4.3 220 254 250 58 <br /> Matrix Spike <br /> Duplicate <br /> %recovery: 87 86 88 90 78 84 <br /> Relative <br /> %Diaeranca: 1.9 11 17 3.9 7.7 8.3 <br /> i <br /> i <br /> } <br /> SE I� IA ANALYTICAL ovary: Cane.at M.S.-Conc.of Sample x 100 <br /> 1 Spike Cane.Added <br /> tauve%Dtfemnes: Con+..of M.S.•Conc.of M.S.D. s 100 <br /> ( aberh W. kckl. (Cone.o1 M.S.+Cane.of M.S.D.)12 <br /> P tact Manager s042988.wAT <23> <br />