Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 e Sacramento, CA 95834 <br /> (916) 921-9600 e FAX (916) 921-0100 <br /> RESNA Industries Client Project ID Arco #760, Lodi <br /> 3164 Gold Camp Dr, Suite 200 <br /> Rancho Cordova, CA 95670 <br /> Attention David Stavarek OC Sample Group 2070600-09 Reported Aug 12, 1992 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Oil&Grease <br /> Method SM 55206&F <br /> Analyst N Valdes <br /> Reporting Units mg/kg <br /> I Date Analyzed Aug 5, 1992 <br /> QC Sample # BLKOW492 <br /> Sample Conc . N D <br /> Spike Conc <br /> Added: 325 <br /> Conc Matrix <br /> Spike 280 <br /> I <br /> Matrix Spike <br /> Recovery 86 <br /> Conc Matrix <br /> Spike Dup 290 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery 89 <br /> Relative <br /> % Difference 35 <br /> Quality Assurance Statement All standard operating procedures and quality control requirements have been met <br /> I <br /> SEQUOIA ANALYTICAL % Recovery Conc of M S -Conc of Sample x 100 <br /> `/9 ---- Spike Conc Added <br /> u" G� Relative%Diff erence Conc of M S -Conc of M S D x 100 <br /> Michael R Giles (Conc of M S + Conc of M S D)/2 <br /> f Laboratory Director <br /> 2070600 RES <10> <br />