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j SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> t??j;•jnt::;Y,.,Y.$ Y' ^+:M.\,+..v�'v�„H.'?:• <br /> .:.......................i.....\•v•..:.v <br /> .S.:.!.!.i.^.i.i.:.:..T.:::..::.n.v..:..�.::::.:.... :3*Y.:.•.}:.;...::Y::::.�.�:'.,'v.�.d.v:•:::.:.i. <br /> �..:: <br /> :: <br /> :..:.:.::.: <br /> wa rwok .._..:.:.: <br /> ii}ih....... <br /> ............ ............_ <br /> ...................Project ID: #20223-1, <br /> ........ <br /> es Property <br /> 1710 Main Street <br /> Escalon, CA 95320 <br /> !Attention Jim Scholland QC Sample Group 910-2415 Reported: Oct 31, 1989 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Organic Lead <br /> Method: LUFT <br /> Analyst: R. Britton <br /> Reporting Units: mg/Kg <br /> Date Analyzed: pet 26. 1989 <br /> QC Sample #: 910-2692 <br /> Sample Conc.: N.D. <br /> Spike Conc. 0.1 <br /> Added: <br /> Conc. Matrix 14 <br /> Spike: <br /> Matrix Spike 140 <br /> % Recovery: <br /> Conc. Matrix 0.18 <br /> Spike Dup.: <br /> Matrix Spike 180 <br /> Duplicate <br /> % Recovery: <br /> Relative 25 <br /> % Difference: <br /> SEQUOIA <br /> ���A///NAL CAL %Recovery: Conc.of M.S.-Conc.of Sample x 100 <br /> Spike Conc.Added <br /> Relative%Difference: Conc.of M.S.-Conc.of M.S.D. x 100 <br /> Blom A Bjorkman (Conc.of M.S. + Conc.of M.S.D.) 2 <br /> Project Manager <br /> 910241 s war 9 <br />