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r— <br /> v <br /> E lIA AN 13 <br /> 680 Chesapeake Drive Redwood City, <br /> CA 94063 <br /> (415)364-9600 FAX(415)364-9233 <br /> Delta EnuuarimenEal Consultants <br /> Client Project ID.Shell,7910[ower Sacrarnanto Pd.,Stacktan <br /> .:3330 Data Drive Reported Dec A 1991 <br /> Rancho Cordova,CA 95670 le Group 1114569 71 M <br /> flC Sample �... <br /> Attention: Lisa Rainger x., <br /> QUALITY CONTROL DATA REPORT <br /> Etriyl- <br /> ANALY71= Benzene Toluene Benzene X ones <br /> _. <br /> EPA 8020 EPA 8020 EPA 80-0 <br /> Method: EPA 8020 <br /> • Analyst: L Laikhtman 1<Laikhsrnan t.Laikhtrnan 1..Lai [man <br /> 1+9/L Jig/L Pg/L <br /> Reporting Units: +�9/L 1.x1 Prov 25. 1991 tsov 25, 1991 <br /> Date Analyzed: Nov 25, 1991 <br /> Nov 25. 2591 <br /> QC Sample#: GBL.K112s91 G8LKi125='1 GBLKt12591 Gg11C11 <br /> Sample ConC.: N.D. <br /> N.D. N.D. N.D. <br /> Spike Conc. i0 10 30 <br /> Added: 10 <br /> Corc.Matrix 11 11 31 <br /> Spike: 11 <br /> Matrix Spike 110 110 103 <br /> %Recovery: 110 <br /> Conc.Matrix 11 t t 32 <br /> Spike Dup.: 11 <br /> ktiatrix Spike 107 <br /> Duplicate 110 110 <br /> %Recovery: 110 <br /> — - Relative0 0 0.0 3.2 - ---- <br /> °6 Difference. 0.0 <br /> - x iib <br /> cone,of M. <br /> ICAL S.-Cone.of Samoie - <br /> EQUICIA ANALYT <br /> %Recovery'. Spike Canc.Added <br /> x 100 <br /> Cane.o - <br /> f M.S.•Can-•nt M.S.p. <br /> Relative%t]iEference' IConc.of M.S. -G7ne.oe M.S.a.l i 2 ttt•s5o9.OLT <2> <br /> Maile A. Springer <br /> project Manager <br /> s �" F <br />