Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive - Redwood City, CA 94063 <br /> (415) 364-9600 - FAX(415) 364.9233 <br />' E:mcon Associates Client Project ID 420 W Kettleman Ln, Lodi, Shell w A <br /> 1921 Ringwood Avenue <br /> San Jose, CA 95131 <br />' Attention Sheila Kruse CC Sample Group 2012836-37 Amended Feb 14, 1992 <br /> QUALITY CONTROL DATA REPORT <br />' ANALYTE Benzene Toluene Ethyl Xyienes <br /> Benzene <br /> Method EPA 802D EPA 8020 EPA 8020 EPA 8020 <br /> Analyst M Nipp M Nipp M Nipp M Nipp <br /> Reporting Units pg/L Ng/L pg/L {rp/L <br />' Date Anaiyzed Jan 22 1992 Jan 22, 1992 Jan 22, 1992 Jan 22, 1992 <br /> OC Sample# GBLK012290 GBLK012290 GBLK012290 GBLK012M <br /> Sample Conc: N D N D N D N D <br /> Spike Conc. <br /> Added: 10 10 10 10 <br /> Conc.Matrix <br /> Spike: 90 93 93 28 <br /> Matrix Spike <br /> %Recovery: 90 93 93 93 <br /> Conc.matrix <br /> Spiky+nun - n 95 94 29 <br />' Matm Spike <br /> Duplicate <br /> %Recovery: 91 95 94 97 <br /> Relative <br /> % Difference: 1 1 21 1 1 35 <br /> SEQUOIA ANALYTICAL %Recovery Conc of M S -Conc of Sample x 100 <br /> Spike Cone Added <br />' � Relative%Werence Conc of M S -Conc of M S D X100 <br /> �Madei Springer (Conc of M S + Conc of M S D)/2 <br /> Project Manager 2D128ss EEE <2> <br />