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s � TI , L <br /> 819 Striker Avenue, Suite 6 • Sacramento, CA 95834 <br /> (916) 921-9600 FAX(916) 921-0100 <br /> :.:ERM-west Client Proiect 1D: Safeway Stockton <br /> ;20p1 P Street,Suite 200 <br /> Reported: Nov 18 1991" <br /> ,Sacramento,GA 95814 <br /> ;Attention: Shannon Sadler <br /> GC Sample Group 111-0062 <br /> tl� UALITY CONTROL^'+TA REPORT <br /> === <br /> ANALYTE X lenes DieselBenzeneToluene=Eil'yl- <br /> enzene Y <br /> EPA <br /> EPA B020 EPA 8020 EPA 8020 8015 Mod. <br /> Method: EPA 8020 C.Chapman C.Chapman M.Giles <br /> Analyst: C.chapman C.Chapman ppm ppm ppm <br /> Reporting Units: Ppm <br /> Nov 11, 1991 Nov 51, 1995 Nov 11, 1991 Nov 11, 1991 N6tK 413991 <br /> Date Analyzed: 111.005a 111-0054 t 1 1-0054 <br /> QC Sample#: 111•0054 <br /> N.D. <br /> N.D. N.D. N.D. <br /> Sample Conc.: <br /> Spike COnc. 0.20 0.20 9.20 0.40 15 <br /> Added: <br /> Conti.Matrix 0.25 0.51 13 <br /> Spike: <br /> 0.23 0.24 <br /> 1 Matrix Spike120 120 130 130 87 <br /> %Recovery: <br /> >y <br /> Conc.Matrix0.23 0.24 0.26 0.51 15 <br /> Spike Dup.: <br /> Matrix Spike 100 <br /> Duplicate 120 130 130 <br /> %Recovery: 124 <br /> Relative0.0 0.0 3.9 0.0 14 <br /> %Difference: <br /> �Retovery: Conc.01 M•S•-C.of Sample <br /> X 100 <br /> SEQUOIA ANALYTi Al- Spike Cunc.Added <br /> - x tno _ <br /> — _ Cuno.a!M.S.-Conc.cl M.S. <br /> - - --- - -- -- - — <br /> Relative 96 Difference: <br /> (Conc.of M.S.+Conc.of M.S.D.)12 t 1100e2.ER5 <5> <br /> Rick R.DiMalo <br /> I <br /> Project Manager <br />