Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 • Sacramento, CA 95834 <br /> (916) 921-9600 9 FAX (916) 921 0100 <br /> RESNA Industries Client Project ID Arco #2130, Stockton, CA <br /> 3164 Gold Camp Drive, Sude 200 <br /> Rancho Cordova, CA 95670 <br /> Attention Eloise Frick QC Sample Group 1120480-91 Reported Jan 3, 1992 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xylenes Lead <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 6010 <br /> Analyst C Chapman C Chapman C Chapman C Chapman S Foster <br /> Reporting units ppm ppm ppm ppm mg/kg <br /> Date Analyzed Dec 31, 1992 Deo 31 1992 Dec 31, 1992 Dec 31, 1992 Dec 26 1992 <br /> QC Sample# 112-0556 112-0556 112-M6 112-0556 112-0488 <br /> Sample Conc . N D N D N D N D N D <br /> • <br /> Spike Conc. <br /> Added 02 02 0 2 04 50 <br /> Conc Matrix <br /> Spike 0 175 0 186 019 0 391 43 <br /> Matrix Spike <br /> % Recovery, 88 93 95 98 86 <br /> Conc Matrix <br /> Spike Dup 0 164 0 175 0 179 037 42 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery 82 88 90 92 S4 <br /> I1I Relative <br /> f % Difference 65 61 6 5 5 2 4 <br /> SEQUOIA ANALYTICAL %Recovery Conc of M S -Conc of Samoie X100 <br /> Spike Conc Added <br /> Relative% Difference Conc MMS -Cone of M S D X100 <br /> Michael R Giles (Cone of M S + Conc of M S D 1 /2 <br /> Laboratory Director <br /> 1120480 RES <6> <br />