Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA-94063 <br /> (415) 364-9600 • FAX (415) 364-9233 <br /> tt <br /> Emcan Associates Client Protect ID 4445 Pershing,Ave, Stockton, Shell <br /> 1433 N Market Blvd <br /> Sacramento, CA 95834 <br /> Attentlon Sheila Kruse OC Sample Group 201-2777 Reported Jan 30, 1992 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene X enes <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Analyst M Mpp M Nipp M Nipp M Nipp <br /> Reporting Units fig/L lig/L lig/L pg/L <br /> Date Analyzed Jan 22. 1992 Jan 22, 1992 Jan 22, 1992 Jan 22, 1992 <br /> OC Sample# GBLK012292 GBLKo12292 GBLK012292 GBE K012292 <br /> Sample Conc.. N D N D N D N D <br /> 10 Spike Conc. <br /> Added: 10 10 10 30 <br /> Conc. Matrix <br /> Spike: 90 93 93 28 <br /> Matrix Spike <br /> %Recovery: 90 93 93 93 <br /> Conc. Matrix <br /> Spike Dup.: 91 9 5 9 4 a4 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 91 95 94 97 <br /> Relative <br /> %Difference: 1 1 21 1.1 3 5 <br /> EQUOIA ANALYTICAL %Recovery Cone of M S -Cone of Sample x 100 <br /> Spike Cone Added <br /> Relative%Difference Cone of M S -Cone of M S D x 100 <br /> Made-k Springer - (Cone of M S + Conc of M S D)/2 <br /> Project Manager y 2012775 EEE 9> <br /> t <br />