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j SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City,CA 94063 <br /> �`-`--' (415) 364-9600 FAX(415) 364-9233 <br /> '.': i.+x4:i.......}. :4:.}b.:M:u-.y:.w::.:.......... .�. :n•:. �..:..w.v.:•.v.r:::i. <br /> :i.}:-iu�.. ;:{..:{::{•}:{0}:{G:4:n: w±.}-.� +}::{4:4x0:3-.v{+! <br /> ,.::..,-..4 ,,... .:-.}'.:..:YO:%4Y.:4k'r.O...IX..... -r':.;-.r::-:.;Y.%Yi4::,}, .�-.r::;':::' r::e:..::..:...::c::}:1:u:»:.•:^} {:o:}}}r..;:4:an. .::.:;c,-. <br /> - .:,,..4.r�,...n,r 2a.: r,c:•uaF.r...r..:..�..,,,..u:. .{,..o.{:{.,:.... .....,.r r� natii„^.k:R;fOR��24;2�-xJ'�.�'-;w..;.w,.;.Gk`,5}Siaw}rnYrltieeai�lti::^ <br /> .f«..4..,�.s....«.,}}:�.x:;.};: :<ti}:�:..v:xv;?:,x:;s;�ivn:i>.::t;<8:::�:?:�. <br /> RESNA Client Project ID: 8:"6i`8' <br /> 181 E. 1 ith St.,Tracy <br /> 1710 Main Street <br /> '�Escalon,CA 95320 <br /> Attention: Lois Frantz OC Sample Group 2109766-9771 Reported: Oct 12, 1992 <br /> A.N...... ...........}::: r: 4}.".Yn <br /> }..4.4:.... .. <br /> pY {ii�GC.} <br /> 4+r�U.....x};{r n.i�iSvn r.n,.r.{M:.O:'}:h:'}::�v{fiv^.........:.v.r..rrrrvnvrirrcm'�:vn rv�/hrrrrvm+rv�4hrA}K':+�ti. —1.4�:-$.... .. <br /> �, <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene benzene Xylenes Diesel <br /> Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 8015 <br /> Analyst: J.Dinsay J.Dinsay J.Dinsay J.Dinsay J.Dinsay <br /> Reporting Units: mg/kg mg/kg mg/kg mg/kg mg/kg <br /> Date Analyzed: Oct s, 1992 Oct 8. 1992 Oct e, 1992 Oct a, 1992 Oct 8, 1992 <br /> OC Sample #: 210-9767 210-9767 210-9787 210-9767 210-9767 <br /> Sample Cone.: N.D. N.D. N.D. N.D. N.D. <br /> Spike Cone. <br /> Added: 0.20 0.20 0.20 0.60 15 <br /> Cone. Matrix <br /> Spike: 0.20 0.19 0.19 0.56 15 <br /> Matrix Spike <br /> % Recovery: 100 95 95 93 100 <br /> Cone. Matrix <br /> Spike Dup.: 0.20 0.20 0.19 0.57 13 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery: 100 100 95 95 87 <br /> Relative <br /> %Difference: 0.0 5.1 0.0 1.8 14 <br /> -''SEQUOIA ANALYTICAL %Recovery: Conn of M.S.-Conc.of Sample x 100 <br /> Spike Cone.Added <br /> Relative%Difference: Cone.of M.S.-Cone.of M.S.D. x 100 <br /> r Lee (Cont.of M.S. + Cone.of M.S.D.) 2 <br /> roject Manager 2109762.WAT <11> <br />