Laserfiche WebLink
w f4. 3 <br /> SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 • FAX(415) 364-9233 <br /> Uv:. 2M:. 8naa <br /> ;:c.f.n '..�.sr:v..<C...:;:.:.-'f..'\m.:.:rd.c^}?:F.:v':a`ir.;<-�fi^-rf.N,.:.:c..m>.K••- _ n:-i?(n....f..:,:}"•`:G�'^.<p:^.rr::'.S.:h'...:..< <br /> - <br /> ..v. ••}::v2:.-{,A•A v};4}:{:•i:.vw.e.v-+..:... ...w.v.r }^Rviry.ir.rc.....evir-},:i:..'...ru....:...... <br /> Delta Environmental Consultants Client Project 1D: #40-89-012.05, Shell,Tracy <br /> -.3330 Data Drive Method (units): EPA 8240 (ug/L purged) O.C. Sample Dates <br /> Rancho Cordova, CA 95670 Analyst(s): L Saunders <br /> ""Attention: Jim Brownell QC Sample#.: 008-1928 Analyzed: Aug 10, 1990 <br /> Reported: Aug 17, 1990 <br /> ::.lC:fY-" :'rr:%x ,..v try{ .:,n:..fv v-vrv:'Yh.'m -•i+Y..UY::r 1%��r.r ��tir ...F.:4:: .4%{ r.:fi'.}•.?M*ir. {L*p}i <br /> 'i"}:,t'••v.�.v .t; .'t�:C::yn:.::.4`•::r .3 -�-. ;q.� >:'G`:.,i,... :..ds.... <br /> :::4:'v)iii:4.Gi:W.iJOcW.ifE'v`isi�li}is�iv5ii� -)G:nwn'•xnwvr:X<4iLi�n�.rF':i�:.tii{£iiik:i2�R::9.�vnGu��.d1J.�i[:.W.::k.NoG:vh:x.AY.rcn :�Gwt.,kSo�`n`�:�h'::�d:;•w:�`c:'we^oY�ri,M« wv,=,.}.::-.�d:};nr.::wh'rw.�`.`.:�.w'A:R:";rrY:aG;rR.2:o}hR,r"5%:;rk•�cRw2;.t%�'�:Yti.nYri{;'tw� <br /> QUALITY CONTROL DATA REPORT <br /> Matrix Conc. Matrix Spike <br /> Conc. Spike Matrix_ Duplicate Relative <br /> Sample Spike Conc. Matrix % Spike % % <br /> Analyte Conc. Added Spike Recovery Duplicate Recovery Difference <br /> 1,1-Dichloro- N.D. 50 48 96 52 100 8.0 <br /> ethene <br /> Trichloroethene N.D. 50 . 52 100 55 110 5.6 <br /> Benzene N.D. 50 55 110 57 110 3.6 <br /> Toluene N.D. 50 49 98 53 110 7.8 <br /> Chiorobenzene N.D. 50 52 100 56 110 7.4 <br /> . I <br /> i <br /> i <br /> 1 <br /> i l <br /> SEQUOIA ANALYTICAL %Recovery. Cone.of M.S.-Conc_of Sample X100 <br /> Spike Conc.Added <br /> S <br /> rk <br /> Relative%Difference: Conc.&M.S.-Conc.ofM•S.D. x 100 <br /> Vickie Ta (Conc.of M.S. + Conc.of M.S.D.)/2 <br /> Project Manager <br /> 81928.DLT <6> <br />