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SEQUOIA ANALYTICAL
<br /> 680 Chesapeake Drive • Redwood City, CA 94063 '
<br /> (415) 364-9600 FAX(415) 364-9233
<br /> ....................
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<br /> RES(V ..-.Escalon Client Project ID: W0602.IC, Banne
<br /> 1710 Main Street
<br /> €Escalon, CA 95320 1679
<br /> Reported: Aug 21, 1992
<br /> CC Sample Group: 2081370-78, - w
<br /> "Attention: 611 Channell .. :.... �:M»:..:.: - :::.,.:::::,.. ,.,„:...
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<br /> QUALITY CONTROL DATA REPORT
<br /> ANALYTE Copper Wtybdenum Nickel Silver Vanadium Znc
<br /> Load
<br /> Method: EPA 200.7 EPA 200.7 EPA 200.7 EPA 200.7 EPA 200.7 EPA 200.7 EPA 7392
<br /> Analyst: C.Medefessar C.Medefewsr C.Medefesser C.Medefesser C.Medefesser C.Medefesw Sn9�
<br /> Reporting Units: mg/L mg/L mg/L mg/L rng/L g
<br /> Date Analyzed: Aug 19, 1992 Aug 19, 1992 Aug 19, 1992 Aug 19, 1992 Aug 19, 1992 Aug 19, 1992 Aug 20, 1992
<br /> OC Sample,#: 208-1679 2C8-1679 208-1679 208-1679 208-1679 208-1679 208-1605
<br /> Sample Conc.: N.D. N.D. N.D. N.D. N.D. 0.079 0.0053
<br /> Spike Conc. 1.0 1.0 0.050
<br /> Added: 1.0 1.0 1.0 1.0
<br /> Conc. Matrix 0,95 1,0 0.051
<br /> Spike: 0.92 0.94 0.92 0.90
<br /> Matrix Spike 94 92 90 95 92 91
<br /> % Recovery: 92
<br /> Conc. Matrix 083 0,89 0.97 0.051
<br /> Spike Dup.: 0.88 0.89 0'88
<br /> Matrix Spike
<br /> Duplicate 89 88 83 89 89 91
<br /> % Recovery: 88
<br /> Relative0.0
<br /> % Difference: 4.4 5.5 4.4 8.1 6.5 3.0
<br /> SEQUOIA ANALYTICAL x Rwerync of M.S.• nc of pie x 100
<br /> K
<br /> Spike Conc.Added
<br /> ,� P,eladve%Difference: Conc of M.S.-Conc.of M.S.D. x 100
<br /> L/e al (Conc.of M.S. + Conc.of M. .D.)/2
<br /> 2081370.WAT <16>
<br /> pojecct Manager
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