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x <br /> E U IA 'ANALYTICAL <br /> 684 Chesapeake Drive • Redwood City,CA 94063 <br /> 1415)364.9604 FAX(4151 3fi4.9233 <br /> �Walerwork Client Project ID: 0490,Thorpe/Wever Ave. <br /> �'-1710 Main Street <br /> 41Escalon,CA 95320p y <br /> ',Attentlon, Bill Channell flC Sample Group: 104.1933 <br /> Rep oiled Ma <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Load <br /> Method: EPA 239.2 <br /> Analyst: N.Herrera <br /> Reporting Units: mp/L <br /> Date Analyzed: May r, 1991 <br /> 0C Sample f!: 104.1933 <br /> Sample Conc.: 0.092 <br /> Spike Conc. <br /> Added: 0.10 <br /> Cone.Matrix <br /> Spike: 0.22 <br /> Matrix Spike <br /> %Recovery: 130 <br /> Conc.Matrix <br /> Spike Dup.: 0.20 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 110 <br /> Relative <br /> %Difference: 9.6 <br /> SE Q 01A ANALYTIC L 'J6 Recovery: Conc,of M.S.-Conc.of Sample x 100 <br /> x {f Spike Conc.Added <br /> Retaiiva-v I]Herence:__..___-.---f onc,of M.S.•Conc.of M.S.D. x 100 <br /> Zabelh W.I-12C 1 (Conc.of M.S-+ Conc.ai M.S.D.t 12 -----------'-------- <br /> 1041933.WAT c3> <br /> roject Manager <br />