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Submission #: 2002-08-0355 <br /> 111113 01 a <br /> Gas/BTEX Fuel Oxygenates by 8260B <br /> FrIU-141 IMN � <br /> Gettler Ryan STI-San Francisc54-0 <br /> 1226 Quarry <br /> Attn.: Deanna Harding Lane= <br /> Pleasanton,CA 9456=._6 <br /> 6747 Sierra Court Suite J <br /> Dublin, CA 94568 Tel: (925)484-1919 <br /> Phone: (925) 551-7444 Fax: (925) 551-7899 Fax: (925)484-1096 <br /> www,stl-inc.com <br /> Project: 180175.80 Received: 08/16/200214:25 www.chromalab.com <br /> Tosco#11195 <br /> Site: 16500 South interstate 5 CA DHS ELAP4 2496 <br /> Lathrop, CA <br /> Batch QC Report <br /> Prep(s): 5030B Test(s): 82.60FAB; <br /> Laboratory Control Spike <br /> Water - CC Batch # 2002108127-01.27 <br /> LCS 2002/08/27-01.27-004 Extracted: 08/27/2002 <br /> Analyzed: 0$12712002 1:11:42 <br /> LCSD.: :2002108127-01.27-005 Extracted: 08/27/2002. Analyzed: 08127120021214: .< <br /> Compound Conc. ug/L Exp.Conc. Recovery RPD1 Ctrl.Limits% Flags <br /> LCS LCSD LCS LCSD % Rec. RPD LCS LCSD <br /> Benzene 20.2 24.2 25.0 80.8 96.8 18.0 69-129 20 <br /> Toluene 22.5 26.7 25.0 90.0 106.8 17.1 70-130 20 <br /> Methyl tert-butyl ether(MTBE) 23.1 28.0 25.0 92.4 112.0 19.2 65-165 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 556 542 500 111.2 108.4 76-114 <br /> Toluene-d8 518 517 500 103.6 103.4 88-110 <br /> 68!2912002 16M STL San Francisco is part of Severn Trent Laboratories, Inc. Page 26 of 30 <br />