Laserfiche WebLink
SEQUOIA ANALYTICAL <br /> 1900 Bates Avenue • Suite LM • Concord, California 94520 <br /> 11I (510) 686-9600 FAX (510) 686-9689 <br /> ::::; ..... .. ......... ...... <br /> PDS Services, Inc. Client Project ID: Unocal 0788,8203 E. 11th St., Tracy <br /> 2401 Stanwell Dr., Ste. 400 <br /> Concord, CA 94520 <br /> Attention: Avo Avedissian QC Sample Group: 4021117-19 Reported Mar 7, 1994;.: <br /> - - <br /> QUALITY CONTROL DATA REPORT <br /> i SURROGATE <br /> Method: EPA 8015 EPA 8015 EPA 8015 EPA 8015 <br /> Analyst: K.Wimer K.Wiener K.Wiener K.Wiener <br /> Reporting Units: p9/L N9/L p9/L N9/L <br /> Date Analyzed: 3/2/94 3/2/94 3/2/94 3/2/94 <br />! Sample #: 402-1117 402-1118 402-1119 Matrix Blank <br /> f <br />!� Surrogate <br /> % Recovery: 109 112 122 107 <br /> ki <br /> i <br /> I <br /> f <br /> 1# <br /> SEQUOIA ANALYTICAL %Recovery: Conc.of M.S.-Conc.of Sample x 100 <br /> Spike Conc.Added <br /> L 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 <br /> Project Man er <br /> 4021110.MPD <8> <br />