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SEQUOIA /ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City,CA 94063 <br /> (415)364-9600 • FAX(415)364.9233 <br /> ... adcrv.}.°.� �:� EL tob23.eC�� �`. <br /> waterwork Giant?r0 act D 367/Chem: kion <br /> 1710 Main Street <br /> Escalon,CA 95320 <br /> Attention Tina LePageQC Sample Group 1063516-3518 R 191 <br /> PTZZ� r� , <br /> Ae� � 9 u <br /> M <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Diesel <br /> Method EPA 8015 <br /> Analyst R t.ee <br /> Reporting Units ng <br /> Date Analyzed dun 27, 1991 <br /> OC Sample#. OBLK 06MI <br /> Sample Conc: N D <br /> Spike Cone. <br /> Added: 900 <br /> Conc. Matrix <br /> Spike- 710 <br /> Matrix Spike <br /> %Recovery 79 <br /> Conc Matrix <br /> Spike Dup: 790 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 88 <br /> Relative <br /> %Difference: 11 <br /> SEQUOIA ANALYTICAL %Recovery Coro of M S -j'one of Sample x 100 <br /> Spike Conc,Added <br /> Relatrvo%Ortfer*nce Conc of M S Conc of M S 0 x 140 <br /> qlaiet�4waA0 (Conc of M S +Conc of M S a)/2 <br /> Manager 10=16WAT <4> <br />