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II <br /> I j SE000 ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City, CA 94063 <br /> NO (415) 364-9600 - FAX (415) 364-9233 <br /> ,...k............... ....<l!!m;Yim:4",>-y •.vn}>::iMY.!�4yyi:A:tl;+Y!H::S <br />� :.:..:...v....:..... ..,i.�p.i.::i::::.:::::y<:.Ctii;:�yi;:¢.::i.i:.,aa:...::M::.,.......♦.�J...........:n...., a...a:v.:...n. A%C' <br /> I <br /> a., .a..axwaQava.::.y::xw6:i<:W:':::"s.Cu'•.w:'6lS:wwac:':b6:'--.x..cec:<musA.wFw'''a`Y.w'0n'�.:..,�:w:'>vRESNA Client Project ID: W0195.00,West. em Sto...:...rne Products/Tracy <br /> --1710 Main Street E <br /> 3Escalon, CA 95320 <br /> ;Attention: Greg Stahl Ie Group:tent I OC��Samp roup Reported: Oct 27 1992 <br /> O^, <br /> f I <br /> Q fALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- Extractable Xylenes H <br /> Benzene Toluene benzeneydrocarbons <br /> t <br /> I <br /> i <br /> Method: EPA 8020 ! EPA 8020 EPA 8020 EPA 8020 EPA 8015 <br /> Analyst: M.Nipp M.Nipp lvL Nipp M.Nipp R.Lee <br /> Reporting Units: frg/L {rg/L pg/L pg/L Ug/L <br /> Date Analyzed: Oct 15, 1992 Oct 15, 1992 Oct 15, 1992 Oct 15, 1992 Oct 13, 1992 <br /> OC Sample#: GBLK101592 68LK101592 GBLK101W2 GBLK101592 DBLK101292X <br /> MS/MSD MS/MSD MS/MSD MS/MSD <br /> Sample Conc.: N.D. N.D. N.D. N.D. N.D. <br /> i <br /> Spike Conc. <br /> Added: 10 �� 10 10 30 300 <br /> I <br /> Conc. Matrix <br /> Spike: 9.6 9.6 9.6 29 210 <br /> E <br /> Matrix Spike I <br /> %Recovery: 96 96 96 97 70 <br /> h <br /> Conc.Matrix <br /> Spike Dup.: 10 10 10 30 210 <br /> Matrix Spike <br /> Duplicate <br /> • Recovery: 100 100 100 100 70 <br /> Relative <br /> % Difference: 4.1 4.1- 4.1 3.4 0.0 <br /> SEQUOIA ANALYTICAL %Recovery. Conc.of M.S.-Conc.of Sample x 100 <br /> Spike Conc.Added <br /> Prori2t <br /> Relative%Difference: Conc.of M.S.-Conc.of M.S.D. x 100 <br /> ee (Conc,of M.S. + Conc.of M.S.D.)/2 <br /> Manager 2101840.WAT <>> <br /> E <br />