Laserfiche WebLink
V <br /> SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 • Sacramento, CA 95834 <br /> (916) 921 9600 • FAX (916) 921-0100 <br /> RESN,4Industnes � <br /> Client © <br /> ient Project ID #30003-s,Arco,7906 N Dorado,Stockton <br /> 3164 Gold Camp Dr, Suite 240 <br /> Rancho Cordova, CA 95670 <br /> Attention Matthew Taylor OC Sample Group 2100323-03 Reported Oct 22, 1992 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Benzene Toluene Ethylbenzene Xyienes _7 <br /> Method EPA 602 EPA 602 EPA 602 EPA 602 <br /> Analyst Chiaravailob Chiaravalloti Chiaravallob Chiaravalloti <br /> Reporting Units u9/L us/L us/u N9/u <br /> Date Analyzed Oct 19 1992 Oct 19, 1992 Oct 19, 1992 Oct 19, 1992 <br /> QC Sample# 210-0200 2100200 210-0200 210-02W <br /> Sample Conc.. N D N D N D N D <br /> # <br /> Spike Cone <br /> Added: 10 10 10 20 <br /> Conc. Matrix <br /> Spike: 87 93 89 17 <br /> Matrix Spike <br /> % Recovery 87 93 89 85 <br /> Conc. Matrix <br /> Spike Dvp 90 96 92 18 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery 90 96 92 90 <br /> Relative <br /> % Difference 34 32 33 57 <br /> Quality Assurance Statement All standard operating procedures and quality control requirements have been met <br /> SEQUOIA ANALYTICAL %Recovery Cone of M S -Conc of Sampie x 100 <br /> Spike Conc Added <br /> Relative Difference Conc of M S -Cone of M S D x 100 <br /> Michael R Giles (Conc of M S + Conc of MSD)/2 <br /> Laboratory Director <br /> 2100323 RES <4> <br />