Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 819 Striker Avenue Suite 8 • Sacramento, CA 95834 <br /> (916) 9219600 FAX (916) 921 0100 <br /> n &Caldwell Client project ID Arco #434, Lodi v>v "ryv x h <br /> 723SSt <br /> Sacramento, CA 95814 <br /> Attention Steve Tan QC Sample Group 3010070-71 Reported Jan 15, 1993 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Benzene Toluene Eth benzene Xylenes <br /> Method EPA 8010 EPA-6020 EPA?020 EPA 6020 <br /> Analyst C Chapman C Chapman C Chapman C Chapman <br /> Reporting Units mg/cubic m mg/cubic m mg/cubic m mg/cubic m <br /> Date Analyzed Jan 6, 1993 Jan 6, 1993 Jan 6, 1993 Jan 6, 1993 <br /> QC Sample # SLK010693 BLK010693 BLK010693 BLK010693 <br /> Sample Cone.: N D N D N D N D <br /> pike Conc. <br /> Added: 020 020 020 040 <br /> Cone Matrix <br /> Spike: 16 16 17 35 <br /> Matrix Spike <br /> %Recovery: 80 80 85 88 <br /> Conc. Matrix <br /> Spike Dup.: 16 16 is 34 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 80 80 80 85 <br /> Relative <br /> %Difference: 00 61 61 29 <br /> Quality Assurance Statement All standard operating procedures and quality control requirements have been met <br /> DUOIA ANALYTICAL %Recovery- Cane of M S -Cone of Sample x 100 <br /> Spike Cone Added <br /> Relative%Difference Cone of M S -Cone of MSD x 100 <br /> Michael R Giles (Conc of M S + Conc of M S D)/2 <br /> Laboratory Director 3010070 BRS <2> <br />