Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 819 Striker Avenue, Suite 8 • Sacramento, CA 95834 <br /> (916) 921-9600 FAX (916) 9210100 <br /> 1 Jv,.4rli} rr v}r i-',. yr . v i nv y . i r yip rS r ry vv r. r} vi ryl <br /> 1 •RESNA Industries Client Project ID Arco#2168, Stockton <br /> 3164 Gold Camp Dr, Suite 200 <br /> Rancho Cordova, CA 9567o <br /> ryAttention Eloise Cherven QC Sample Group 205-0148 Reported May 12, 1992 <br /> l <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Lead <br /> r <br /> Method EPA 6010 <br /> Analyst S Foster <br /> Reporting Units mg/kg <br /> Date Analyzed May 12, 1992 <br /> r QC Sample# 205-0197 <br /> Sample Conc • 64 <br />/! Spike Conc. <br /> Added: 50 <br /> Conc. Matrix <br /> Spike: 52 <br /> 1 <br /> Matrix Spike <br /> %Recovery- 91 <br /> Conc. Matrix <br /> Spike Dup : 52 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 91 <br /> Relative <br /> % Difference: 00 <br /> Quality Assurance Statement All standard operating procedures and quality control requirements have been met <br /> SEQUOIA ANALYTIC* %Recovery Conc of M S -Conn of Sample x 100 <br /> Spike Conc Added <br /> Relative%Difference 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 /> Laboratory Director <br />� 2050148 RES <sy <br />