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fl <br /> EWE <br /> OF <br /> _ , <br /> F1 al <br /> ..M1 <br /> S 1 <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City,CA 94063 <br /> (415)364-9600 FAX(415)364.9233 <br /> Alaterwork Client Project ID. 040257-1,Sebasilanl Cellars <br /> };1710 Main Street1i <br /> �Fscalon,CA 95320 f` <br /> kttention Bill Channell QC Sample Group 0040215-222 Reported Apr 18 1990 ,1 <br /> rrry< <br /> '.::b'r.xr..aw..3F....Xr d........»iian>,.a,'" vi.a....,. ...:., r..',.::5 .,....v..:.. .......:..r ..,...:.. ...,...%-.r.,,, w.'..... v..n,.,::: .,.,,r•.,.; ...,,...:::. ...,....r..x <br /> QUALITY CONTROL DATA REPORT <br /> F 1NALYTE Benzene Toluene Ethyl xylenes <br /> -= Benzene <br /> Method: EPA 8015/8020 EPA 8015/8020 PA 8015/802 PA 8015/8020 <br /> Analyst: G.Emory G.Emory G.Emory G.Emory <br /> Reporting Units: P9/t. pg/E pg/E Jt0/L <br /> Date Analyzed: Apr 11, 1990 Apr 11, 1990 Apr 11, 1990 Apr 11, 1990 <br /> OC Sample 4: 004-0215 004-0215 004.0215 004-0215 <br /> Sample Conc.: 0.30 N.D. N.D. N.D. <br /> Pike Cone. <br /> Added: 8.3 8.3 B.3 25 <br /> Conc.Matrix <br /> Spike: 8.3 8.8 8.9 26 <br /> Matrix Spike <br /> %Recovery: 96 110 110 100 <br /> -Cone.Matrix <br /> Spike pup.: 8.6 8.9 9.1 27 <br /> Matrix Spike <br /> Duplicate <br /> °.6?recovery: 99 110 110 110 <br /> Relative <br /> %Difference: 3.3 0.90 2.4 2.5 <br /> /1', <br /> fA ANALYTICAL %Recovery: Conc.of 41.S.-Conc,al Sample x 100 <br /> Spike Conc.Added <br /> Relative%Diftwenco: Conc.of M.S.-Conc.of M.S.D. x 100 <br /> W.Ha 1Conc.a1 M.S.+Canc.of M.S.U.i 2 <br /> Manager 40804.WAT <2> <br />