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JZSEQUOIA ANALYTICAL <br /> 00 Bates Avenue Suite LM • Concord,California 94520 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> o...�,y,�.�scw�¢�aw.0 teo-rP.�.<.,.w�a,..�w.a:.. %.."`�, rk.s,:b'.v,,..a.'��e r•+ger,..,,,,.,.,w.w. ,.�...,,.�,v.:.r>ti+n<c} ,,tir r,..,rr ,,,.ter a .,,r+.w. <br /> Tank Protect Engineering of N Calif Client Project ID #209/60 E 10th St.Tracyr <br /> 2821 Whipple Road <br /> Union City, CA W87 { <br /> .Attention John Mrakovich CC Sample Group 1110813-0816 Reported Dec 3, 1991 <br /> •�''��� h}S•r,rn u i r r v s s-ti v v wh y r r , , , n <br /> w.w,rhe(v+ASvrv,rr Avt rr. v v...v x v}�vtitivhAMwnvv.W .... ur, vx+mvrry vyv xr1 rvr r ♦ a.,+ Jtr t r v .v rv.r. Mix vn?vv,x•4.,yvv tl.n+%vK�Y.v.•.riu•n <br /> OUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes Lead <br /> EPA EPA EPA EPA <br /> Method 8015/8020 8015/8020 8015/8020 8015/8020 EPA solo <br /> Analyst J Dinsay J Oinsay J Dinsay J Dinsay S Foster <br /> Reporting Units ppm ppm ppm Ppm mg/k9 <br /> Date Analyzed Nov 25, 1991 Nov 25, 1991 Nov 25, 1991 Nov 25, 1991 Nov 19, 1991 <br /> CC Sample # Matrix Blank Matrix Blank Matrix Blank Matrix Blank Matrix Blank <br /> Sample Cone.. N D N D N D N D 150 <br /> Sike Cone. <br /> Added: 020 020 020 060 60 <br /> Cone. Matrix <br /> Spike: 022 022 023 069 200 <br /> Matrix Spike <br /> % Recovery: 110 110 115 115 83 <br /> Cone. Matrix <br /> Spike Dup.: 022 022 023 069 200 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery- 110 110 115 115 83 <br /> Relative <br /> % Difference: 0 0 0 0 00 <br /> Laboratory blank contained the following analytes None Detected <br /> is <br /> ECUOIA ANALYTI L %Recovery Conc of M S -Conc of Sample x 100 <br /> Spike Cnnc Added <br /> Relative%Difference Cone of MS -Conc of M S D x 100 <br /> rjec�t <br /> rat n (Conc of M S + Conc of M S D► 2 <br /> er 1110814 TPE <10> <br />