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mlrff,M�21 STL Submission#: 2002-11-0437 <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: 11/2012002 13:45 <br /> Tosco#11195 <br /> Site: 16500 South Interstate 5 <br /> Lathrop, CA <br /> Balch QC.Report <br /> Prep(S}: 5.03013: Test(s): 8216DB.: <br /> Labotatory, Controt`_Spike''. . Water QC;Batch'# 2002111127-01.27 :' <br /> LCS 2002111127-01:.21-004 Extracted11/27/2002 Analyzed. 111272002 12.26 <br /> 1LCSi] '. 7':-200. 2/11/27-01--.277006 Extracte' 11127!2002 A tyzed "11/2712002,.12 52 <br /> Compound Conc. ug/L Exp.Conc. Recovery RPD Ctrl.LimRs% Flags <br /> LCS LCSD LCS LCSD % Rec. RPD LCS <br /> Methyl tert-butyl ether(MTBE) 25.2 27.0 25.0 100.8 108.0 6.9 65-165 20 <br /> Benzene 25.4 25.8 25.0 101.6 103.2 1.6 69-129 20 <br /> Toluene 24.9 25.3 125.0 99.6 101.2 1.6 70-130 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 442 450 500 88.4 90.0 76-114 <br /> Toluene-d8 483 492 500 96.6 98.4 88-110 <br /> 1 1 <br /> Severn Trent Laboratories, Inc. 12111/200212:19 <br /> STL San Francisco' 1220 Quarry Lane,Pleasanton,CA 94566 <br /> A pert of 15e m Tmnl Plc Tel 925 484 1919 Fax 925 484 1096'www.sti-inc.com`CA DMS ELAP#2496 Page 24 of 29 <br />