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g 11 !112a <br /> fi <br /> _ R <br /> ,SE IA ANALYTICAL <br /> 880 Chesapeake Drive • Redwood City,CA 94063 <br /> (415)364.9600 FAX{415)364-9233 <br /> Client Prosect ID. #349132-3i,Quik Stan 132,PO#22485 <br /> Exceltech <br /> 41674 Christy Street <br /> Fremont,CA 94538 104 1930 Report d Apr 18, 1991 <br /> Attention: Jim Rubin <br /> Q C Sample Group: :. ,. <br /> QUALITY CONTROL.DATA R1:-PORT <br /> ANAL :�— <br /> YTE Lead Lead <br /> 1-- <br /> Method: EPA 7421 EPA 239.2 <br /> Eastman <br /> Analyst: R.Eastman R.mO�L <br /> Reporting Units: mg mg/kg <br /> Apr 1s, rays <br /> Date Analyzed: AP( r 16. 19 <br /> flC Sample#: 104-0111 <br /> 30 <br /> Sample Conc.: 48 0.019 <br /> Spike Conc. 50 1.0 <br /> Added: <br /> Cone.Matrix 93 0.94 <br /> Spike: <br /> Matrix Spi14 90 92 <br /> %Recover,: <br /> Conc.Matrix 0,89 <br /> Spike Dup.: 9i <br /> Matrix Spike <br /> Duplicate 87 <br /> %Recovery: 86 <br /> Relative 5.5 <br /> %Difference: 2.2 <br /> Elative% <br /> Conc.of MS.-Conc.of Sample x 140 <br /> SEQUOIA ANALYTICAL Spike Conc.Added <br /> e: Conc.ofM.S.-Conc.d MS.D. <br /> RR4 IConc.of M.S.+Cone.of M.S.D.) 2 1041930.ENS <fi> <br /> Vic4de Tagu <br /> Project Manager <br /> i <br /> I <br /> i <br />