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SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City,CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> :..................................H.^:......n..........................:..........Y....-I.-.-.:.... ._.....:...:.: .........::::.�:.:.........:......n........n ..............-.-...-:.:...:.;: ... :... ..........................:. _is-J..4:v,�:?-:%. <br /> .,}.. ..f.:�:• :kSL:':'i•'I..:r�N:.�<:{i:%•:::'.:•'i'2::vii::v:.w>:iii::C:',-}i}..rn<{�Y'a,-:,•::: <br /> ...................x.v.....y...::{:••r'.v....................:.............OM1....{..Y.�Y.�::::J:J:..v:J:/::J.wY ..,✓..::.:2i:.-:.:{'.f:._..:.. _ .:/.•.. :\.. <br /> RESNA gient project ID: W48U1,PC& , Stocfcton Service Center <br /> Main Street <br /> `.<'Escalon, CA 95320 <br /> .Attention: Lois Frantz OC Sample Group: 3C42201 Reported: Mar 11, 1993 <br /> ::x::::x:{:::r:.::::::x�.::.:.::::.::�y::n.x•:H{^.:^}}};;-:';}�-:{-}:N{{.xw., .wv::::mom:-.v :.v:.vv::::.w:::r:.-mv.: :.::::.w F{+m}+w: e+{:.:{:eif.A^:x - <br /> :.n..:.:....:...•vv:: :v:.v•.v.•:..:..:....................................::.......n....... :...:::nom:.};.,•.,::.�{?{::::::.....::....: .:y..: .-..-....:..:...:;?:....J:"•.Y:::::.}•:::::{•:•:' - -- <br /> '/.-:moi}::-}i <br /> A <br /> QUALITY CONTROL DATA REPORT 3 <br /> j M <br /> ANALYTE PCB 1260 <br /> � 1 <br /> Method: EPA 8080 <br /> Analyst: L Wkhtman <br /> Reporting Units: pg/kg F <br /> Date Analyzed: Mar 8,9,1993 <br /> OC Sample#: P9303VS-W �y <br /> Sample Conc.: N.D. <br /> Spike Conc. b <br /> Added: 500 k <br /> t <br /> Conc. Matra <br /> Spike: 350 <br /> s <br /> i <br /> r <br /> Matrix Spike <br /> %Recovery: 70 <br /> Conc. Matra - - <br />{ Spike Dup.: 330 _ f <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 67 <br /> Relative <br /> %Difference: 5.9 <br /> i <br /> i <br /> SEQUOIA ANALYTICAL %Recovery. Conc.of M.S. Conc.of Sample X100 I <br /> Spike Conc.Added <br /> i <br /> Relative%Difference: Conc.of M.S.-Conc.of M.S.D. x 100 <br /> L e (Conc.of M.S. + Conc.of M. .D.) 2 <br /> oject Manager 3C42201.WAT <4> <br /> i <br />