Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 819 Striker Avenue Suite 8 • Sacramento, CA 95834 <br /> (916) 921-9600 e FAX {916) 921-0100 <br /> Brown& Caldwell Client Project ID Arco #2133, Stockton <br /> 723 S St <br /> Sacramento, CA 95814 <br /> Attention Steve Misner QC Sample Group 211-0026 Reported Nov 9, 1992 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Benzene Toluene Ethylbenzene Xylenes <br /> Method EPA 602 EPA 602 EPA 602 EPA 602 <br /> Analyst Chiaravalloti Chiaravalloti Chiaravalloti Chiaravallob <br /> Reporting Units Ye/L us/L us/L Ys/L <br /> Date Analyzed Nov 5 1992 Nov 5, 1992 Nov 5, 1992 Nov 5 1992 <br /> QC Sample # 210-0763 210-0763 210-0763 210-0763 <br /> Sample Cone.- N D N D N D N D <br /> Spike Cone. <br /> Added: 10 10 10 20 <br /> Cone. Matrix <br /> Spike: 86 90 92 19 <br /> Matrix Spike <br /> %Recovery: 86 90 92 95 <br /> Cone. Matrix <br /> Spike Dup . 86 89 91 19 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 86 89 91 95 <br /> Relative <br /> % Difference: 00 1 1 1 1 00 <br /> Quality Assurance Statement All standard operating procedures and duality control requirements have been met <br /> rSEQUOIA ANALYTICAL %Recovery Cone of M S -Cone of Sample x 100 <br /> fSpike Cone Added <br /> �J <br /> � �'/� Relative%Difference Cone of M S -Cone of M S D x 100 <br /> Michael R Giles (Cone of M S + Cone of M S D)/2 <br /> Laboratory Director <br /> 2110026 BRS <2> <br />