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STLSubmission #: 2003-02-0312 <br /> Gas/BTEX Fuel Oxygenates by 8260B <br /> Gettler Ryan <br /> Attn.: Deanna Harding <br /> 6747 Sierra Court Suite J <br /> Dublin, CA 94568 <br /> Phone: (925) 551-7444 Fax: (925) 551-7899 <br /> Project: 180175.80 Received: 02118/2003 08:35 <br /> Tosco#11195 <br /> Site: 16500 South Interstate 5, <br /> Lathrop, CA <br /> Batch.GG Repo" <br /> .... 5030B <br /> 132 <br /> ..,,...- a ...-._ <br /> .. ... - <br /> laboratory Control Spike <br /> Water QC Batch#200310212"1-01 2� <br /> LCS 2003/02/21 01 27 003 = Extracted: 02f2112003 _ Anatyzed 02121f'�003 1"I 22 <br /> i.-CSD 2003102!21 '01 �7. 004.-- -_ _..`--._..-Extracted a21211200�f .-_�_r' _-Analyzed �2121f�OQ�.1"I 48 <br /> Compound Conc. uglL Exp.Conc. Recovery RPD CtrLLimits% Flags <br /> LCSLCSD LCS LCSD % Rec. RPD LCS LCSQ <br /> -' Benzene 23.5 23.2 25.0 94.0 92.8 1.3 69 129 20 <br /> Toluene 23.4 22.6 25.0 93.6 90.4 3.5 74-130 20 <br /> Methyl tert-butyl ether(MTBE) 25.8 26.4 25.0 103.2 .105.6 2.3 65=165 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 527 525 500 105.4 105.0 76-114 <br /> Toluene-d8 1 473 493 500 94.6. 98.6 88-110 <br /> Severn Trent Laboratories, Inc. 03/06/2003 15:50 <br /> STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 page 26 of 30 <br /> A pan or 5.. M Trent Pic Tel 925 484 1919 Fax 925 484 1096'www.stl-inc.crom'CA RHS FLAP#2496 - <br /> G <br />