Laserfiche WebLink
!� SEQUOIA( ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> . ..�.vv.:. - ::.-::. .v.:x:.x..-m:nv:: x.:.::.xn-:.t......r...v.w.:::.v..:.y:xv.vxv:.:.-xn•: :x..-x:.v ::::{.,v,:.:...an.u::5,:.�� ....... <br /> xx. ...:.:...:,.....:.:....:............a....................................... ...aw....... .<;. .x' .:„v.::.:.::.4:'.�::�i:':'w;: ..':CS .. <br /> .-v:{ +O.x:h.:.rrl;x,.:.x�.;:.x-.hi{xv:.i-.:...:.v:.x::::':.x::::r:.x::.x.x:nx.x:nr:::.rr. ro:�..:?M.nw.Yn.::..ws..::0.v.--.�Y..`......nrv.....:.:..4x....n........-n::::.x:::.x:.:r�.x::::x::::v.x: ..,x.:. ,� <br /> EA Engineering Science&Tech. Client Project ID: EA-92-1/Arco#548/Stockton <br /> 41-A Lafayette Circle <br /> y Lafayette, CA 94549 <br /> 'Attention: Brian Thomas QC Sample Group: 302-1136 Reported: Apr 3, 1992 <br /> 1 ^H:::, t:. -:.,v..::.�::.:.:.:nnw.:.x:..xnx:.w:::.x:.x:.:.::n....n....:::�.:::..:.,-::::...:.:-:-:r:ry-.n• .uw.w.vx.::....::+}?ftiMDxmvxn.:....w:t{:�.::-...�...:.n..v..::::::::::::::....vr..vi.Y4}}.:nk{:}:-;n i:�::�::{}:1� :Y.::{: <br /> �•• .'F:is t:i::v. <br /> �::\sr?t:.tit:x:.q{l.x...w;::�..:::.+:n..x.vn.nx:.w:.,..vr.:.:..:..... .. .v::::::.vv::vh4:.:•nv..ii:?.�::W-.w::r::..xwm.ev:,:}::.t:..::..:r..:..r:.v..n.h....._..e.........:..a..v...::::x:.w::.....::::.. <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE TCLP TCLP TCLP TCLP TCLP TCLP <br /> Silver Barium Cadmium Chromium Mercury Arsenic <br /> ' Method: EPA 200.7 EPA 200.7 200.7/213.2 EPA 200.7 EPA 245.1 EPA 206.2 <br /> Analyst: C.M. C.M. C.M. C.M. J.Martinez K.N. <br /> Reporting Units: mg/L mg/L mg/L mg/L mg/L mg/L <br /> Date Analyzed: Mar 3o, i992 Mar 30, 1992 Mar 30, 1992 Mar 30, 1992 Mar 30, 1992 Mar 31, 1992 <br /> OC Sample#: 203-4407 203.4407 203-4407 203-4407 203-4785 203-4225 <br /> Sample Cone.: N.D. 1.1 N.D. N-D_ N.D. 0.0051 <br /> Jwike Cone. <br /> Added: 1.0 1.0 1.0 1.0 0.0020 1.0 <br /> Conc. Matrix <br /> Spike: 0.96 2.0 0.99 0.95 0.0020 1.0 <br /> Matrix Spike <br /> % Recovery: 96 90 99 95 100 99 <br /> Conc. Matrix <br /> Spike Dup.: 0.97 2.0 0.99 0.94 0.019 1.0 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery: 97 90 99 94 95 99 <br /> Relative <br /> %Difference: 1.0 0.0 0.0 1.1 5.1 0.0 <br /> &U01A ANALYTICAL %Recovery Conc.of M.S.-Conc.of Sample 'x 100 <br /> Spike Conc.Added <br /> Relative%Difference: Conc.of M.S.-Conc.of M.S.D. x 100 <br /> Scott A. Chieffo (Conc.of M.S. + Conc.of M.S.O.) 2 <br /> Project Manager 2031136.EEE <97 <br />