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i <br /> f ANALYTICAL <br /> j SEQUOIA . <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 • FAX(415) 364-9233 <br /> i <br /> .. ........ xnYra. ..ox..... .quo.•...- ...............fi..:.......... .,,,:.::::..::-:::::>:,::•h- :. .. .:::.:;•:Y�•` --_.,-. <br /> .......... ........ .n-.::v,::.::::��.�::::::..5...........}.....:.:..... ..r::v.n:. .. v:-.s..:..... .,!.n:..... .. -..-{:S:}nn....v....-....v n.v:..n�i'ft,......-..---• <br /> ...}......%'3`.�`:5....v......rvr. : ..... , ........... ...r r :.v..0.:... r v:.a%:.�.::.v}%8::.... 't.: <br /> .......{.. .. .. ........ r. ..:�: ..♦.:.h.... ::vv__-........x..M•n,ny..;H.:::.vw.:�L.:•Y.sr-S ..vv.:n ..v.:.va.':::':n..Y::.Yr;.. .}':;:.::ti <br /> :::Delta Environmental Consultants Client Project ID: #40-89-012.05,Shell,Tracy <br /> }3330 Data Drive <br /> Rancho Cordova, CA 95670 <br /> Attention: Jim Brownell QC Sample Group: 008-1928 <br /> Reported: Aug 17, 1990 <br /> ti•:?x. :X"{" ::S::r{::::;`4:� <br /> ..Y::'<: �J.fi:';::'A: :E <br /> v:rr�vw: :v..,.o:..;n::yun+{{:rvyr»?{"L:X{?'\�.:xvv,.::n:Kx,. .SS.... :I.i:.fi.. ?.. ..� :' ::rr�:`$.r <br /> ..{.r:.a... F ..fi. fi, a�::...:. v".E'8"'�,' ,+ : .� :, <br /> ;�::-::.,:..a.G'3.9.F.` ..8,'$.}:,r.;.::;rr.:•:•.::...:•,".� }:.}>»y.•s..:;..: .. .,r...i..,.,..:.. - ;:L^.: .-yam..^ <br /> .0 Psi-, niin!:A]fivf�3:'a>YY^ R�r#:�.ri•�.�:a:^�:v4�fi�..�:r..SYfirodico}xta::?:YrN::v�#�:.�.r:,?-.°r..,,,coi:;bYr..r..r..:..rry <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTEAldrin Dieldrin gamma BHC <br /> Method: EPA 8080 EPA 8080 EPA 8080 <br /> Analyst: M.Williams M.Williams M.Williams <br /> Reporting Units: ug/L {ig/L N9/L <br /> Date Analyzed: Aug 8, 1990 Aug 8, 1990 Aug 8, 1990 <br /> QC Sample#: Matrix Matrix Matrix <br /> Sample Cone.: N.D. N.D. N.D. <br /> Spike Cone. <br /> Added: 10 20 10 <br /> Cone. Matrix <br /> Spike: 8.0 18 8.5 <br /> Matrix Spike <br /> %Recovery: 80 90 85 <br /> Cone, Matrix <br /> Spike Dup.: 10 22 9.4 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 100 110 94 <br /> Relative <br /> %Difference: 22 20 10 <br /> SEQUOIA ANALYTICAL %Recovery: Conc.of M.S.-Conc.of Sample x 100 <br /> Spike Conc.Added <br /> �.� Relative%Difference: Cone.of M.S.-Conc.of M.S.D. X100 <br /> Vic ie Tague (Cone.of M.S. + Conc.of M.S.D.)/2 <br /> Project Manager 81928.01-T <5> <br /> ;j <br />