Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord,California 94520 <br /> (510) 686-9600 FAX (510) 686-9689 <br /> Acton Geoscience Client Project ID: Mobil #03-W /30-0136-01 <br /> 5870 Stoneridge Drive, Suite 6 <br /> Pleasanton, CA 94588 <br /> ;Attention: Ste flan Rosen OC Sample Group:,2040230-37 Reported Apr 16, 1992 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl. <br /> Benzene Toluene Benzene xyiones Diesel <br /> EPA EPA EPA EPA <br /> Method: 8015/8020 8015/8020 8015/8020 8015/8020 EPA8015 <br /> Analyst: K.N./K.E./J.F. K.N./K.E./J.F. K.N./K.E./J.F. KN./KE/J.F. A.Tuzon <br /> Reporting Units: up/L uq/L u9/L u9/L ;W/L <br /> Date Analyzed: Apr 9, 1992 Apr 9, 1992 Apr 9, 1992 Apr 9, 1992 Apr 16, 1992 <br /> OC Sample #: Matrix Blank Matrix Blank Matrix Blank Matrix Blank Matrix Blank <br /> Sample Conc.: N.D. N.D. N.D. N.D. N.D. <br /> Spike Conc. <br /> Added: 20 20 20 60 300 <br /> Conc. Matrix <br /> Spike: 22 22 22 69 278 <br /> Matrix Spike <br /> %Recovery: 110 110 110 115 93 <br /> Conc. Matrix <br /> Spike Dup.: 20 20 21 64 272 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: 100 100 105 107 91 <br /> Relative <br /> %Difference: 9.5 9.5 4.6 7.5 2.2 <br /> 40 SEQUOIA ANALYTICAL %Recovery-. Conc.of M.S.-Conc.of Sample x 100 <br /> Spike Conc.Added <br /> VRelative%Difference: Conc.of M.S.-Conc.of M.S.D. x 100 <br /> Belinda C. Vega (Conc.of M.S. + Conc.of M.S.D. 2 <br /> Laboratory Director <br /> 2040230.ALT <3> <br /> Ste. <br />