Laserfiche WebLink
j SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> ,wt fi <br /> iRESNA Client Project ID 38032-7, Unocal #6981 <br /> v 42501 Albrae Street, Suite 100 <br /> Fremont, CA 94538 <br /> Attention Anthony Eneno OC Sample Group 2031218-19 Reported Mar 12, 1992 <br /> } } vv+++v + + 4n ♦ r r • v n r <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE <br /> Lead Organic Lead <br /> Method EPA 7421 LUFT <br /> Analyst S Chin S Chin <br /> Reporting Units mg/kg mg/kg <br /> r Date Analyzed Mar 10, 1992 Mar 10, 1992 <br /> QC Sample# 203-1232 203-1401 <br /> Sample Conc: N D N D <br /> Spike Conc <br /> Added: 50 060 <br /> Conc Matrix <br /> Spike: 49 050 <br /> Matrix Spike <br /> % Recovery* 98 83 <br /> I Conc. Matrix <br /> Spike Dup . 57 056 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 110 93 <br /> I <br /> Relative <br /> %Difference. 15 11 <br /> I <br /> SEQUOIA ANALYTICAL %Recovery Conc of M S -Conc of Sample x 100 <br /> Spike Conc Added <br /> Relative%Difference Conc of M S -Cone of M S D x 100 <br /> e (Conc of M S + Conc of M S D) 2 <br /> P Jett Manager 2031218 ENS <3> <br />