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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City,CA 94063 <br /> (415)364.9600 FAX(415)364.9233 <br /> r •' Y '{; Giant Project ID; #490,Thorpe/Watrer Ave. <br /> „Waterworh <br /> j 1710 Main Street <br /> .Escalon,CA 95320 Reported: Apr 25, 1991 <br /> II Ex«3„ �ra <br /> Attentlon: E31i1 Channe OC mpie <br /> Sa G up <br /> r0 1 � <br /> 04 <br /> 1 <br /> OUALiTY CONTROL DATA REPORT <br /> TnchlolO• Chloro- <br /> ANALYTE •then- benzene <br /> 1,i.pichbroeihane <br /> Method: <br /> EPA B010 EPA 6010 EPA 8010 <br /> Analyst: E.Hamilton E.Hamilton E.Hamilton <br /> Reporting Unfts: pg/tta pq/k9 >•o/►ro <br /> Date Analyzed: Apr 10, `1991 Apr ie, 1991 Aar 18. 1991 <br /> OC Sample#: Matrix Mahix Mnlrlx <br /> Sample Conc.: N.D. N.D. N.D. <br /> Spike Cone. 10 10 16 <br /> Added: <br /> Cone.Matrix 10 11 <br /> Spike: 9.9 <br /> Metrix Spike 99 100 110 <br /> •�Recovery: <br /> Cone.Matrix 10 11 <br /> Spike Dup.: 8.5 <br /> Matrix Spike <br /> Duplicate 100 110 <br /> %Recovery: 85 <br /> Relative Q.0 0.0 <br /> %Difference: 15 <br /> IA AN %R .. colic.of M.5.-Cont.of SamAla x 100 <br /> � Spipa Colic.Added <br /> fK 100 <br /> Relativc%G r' •pro: Conc,or M.S.•Conc.of M.S.D. <br /> - -- -- - - (Conc,of-M.S.+-Colic.of M.5.0. 2 <br /> EI abe lh W. ackl - 1o�`19s1.wAf-< <br /> y oject Manager <br />