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ST L Submission M 2002-11-0437 <br /> s=- ' Gas/BTEX Fuel Oxygenates by 8260B <br /> 3 <br /> Gettler Ryan <br /> Attn.: Deanna Harding <br /> 6747 Sierra Court Suite J <br /> Dublin, CA 94566 <br /> Phone: (925) 551-7444 Fax: (925) 551-7899 <br /> Project: 180175.80 Received: 11/20/2002 13:45 <br /> Tosco#11195 <br /> Site: 16500 South Interstate 5 <br /> Lathrop, CA <br /> Batch Q Report <br /> Prep[s)' 50306 . Test(s) 8260FA13 <br /> .17 <br /> 'Laboratory .Control pi e. Water. QC Bjitch# 2002112)dii, 27, <br /> LCS 2 0 0211 210.3 01.27-004 Extracted' 12103/2002 Analyzed 1 210 3/2 0 0 2.12 31 <br /> E—Araoted 1 /03/2002 <br /> LCSD 20D21121Q3 d1„27 005: Arlatyzed 12103/2002"x2.52 <br /> Compound Conc. uglL Exp.Conc. Recovery RPD Ctrl.Limits% Flags <br /> LCS LCSD LCS LCSD % Rec. I RPD LCS I LCSD <br /> Benzene 23.7 26.0 25.0 94.8 104.0 9.3 69-129 20 <br /> Toluene 23.3 25.6 25.0 93.2 102.4 9.4 70-130 20 <br /> Methyl ter[-butyl ether(MTBE) 26.6 27.4 25.0 106.4 109.6 3.0 65-165 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 425 428 500 85.0 85.6 76-114 <br /> Toluene-d8 483 485 500 96.6 97.0 88-110 <br /> 12/11/200212:19 <br /> Severn Trent Laboratories, Inc. <br /> STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 <br /> A Qar101 Sevem Trani Plc <br /> Tel 925 484 1919 Fax 925 484 1096'www.sti-inc.com'CA DHS ELAN 2496 Page 27 or 29 <br />