Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 680 Chesapeake Drive • Redwood City, CA 94063 <br /> (415) 364-9600 FAX (415) 364-9233 <br /> Blaine Tech Services Inc Client Project ID Shell 4445 N Pershing Ave Stockton <br /> 985 Timothy Drive <br /> San Jose CA 95133 <br /> Attention Glen Bennett OC Sample Group 3011267 - 71 Reported Jan 15 1993 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- Lead <br /> Benzene Toluene Benzene Xylenes <br /> Method EPA 8020 EPA 8020 EPA 8020 EPA 8020 EPA 239 2 <br /> Analyst M Nipp M Nipp M Nipp M Nipp S Chin <br /> Reporting Units Ng/L Ng/L Frg/L Wg/L mg/L <br /> Date Analyzed Jan 13 1993 Jan 13 1993 Jan 13 1993 Jan 13 1993 Jan 14 1993 <br /> OC Sample # 3011265A 3011265A 3011265A 3011265A BLK011393 <br /> MS/MSD MS/MSD MS/MSD MS/MSD <br /> Sample Conc N D N D N D N D N D <br /> Spike Conc <br /> Added 10 10 10 30 0 050 <br /> Conc Matrix <br /> Spike 96 93 9 9 28 0 045 <br /> Matrix Spike <br /> % Recovery 96 93 99 93 90 <br /> Conc Matrix <br /> Spike Dup 82 80 85 24 0 046 <br /> Matrix Spike <br /> Duplicate <br /> % Recovery 82 80 85 80 92 <br /> Relative <br /> % Difference 16 15 15 15 2 2 <br /> SEQUOIA ANALYTICAL Recovery Conc at M S Conc of Sample x 100 <br /> Spike Conc Added <br /> CRelative% Difference Conc of M S -Cone of MSD X100 <br /> ria eeConc ofMS S + Conc of MSD <br /> ) /2 <br /> ) /2 <br /> F�roject Manager 3011267 BLA a- <br />