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STLSubmission #: 2002-11-0437 <br /> Gas/BTEX Fuel Oxygenates by 8260B <br /> Gettler Ryan <br /> AM.: 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: 11/20/2002 13:45 <br /> Tosco#11195 <br /> Site: 16500 South Interstate 5 <br /> Lathrop, CA <br /> Batch QC Report <br /> prep(sj 503.013Test(s):8260FAB <br /> Matrix Spike MS !IIASD.a Water QG$atch`# 2002111128-01.27 :` <br /> MW-6 » MS Lab ID 1'30437: 006', <br /> MS: 200211.1128 01.2T-011;3;.... Extracted 11/28/2002 Analyzed 1 1/28/200213-02 <br /> Dlluiion: 1:00 <br /> MSD: 2G02111.1/28-.011 27 014 "Extracted:11/2812002_ Analyzed 1112.8/2002 13 2R <br /> DilUIIOTI - <br /> Compound Conc. ug/L Spk.Level Recovery Limits% Flags <br /> MS _ MSD Sample ug/L MS MSD RPD Rec. RPD MS MSD j <br /> i <br /> Benzene 25.4 25.7 ND 25.0 101.6 102.8 1.2 69-129 20 <br /> Toluene 24.7 24.8 ND 25.0 98.8 99.2 0.4 70-130 20 <br /> i <br /> Methyl lert-butyl ether 159 142 117 25.0 168.0 100.0 50.7 65-165 20 mso mso <br /> Surrogate(s) <br /> 1,2-Dichioroethane-d4 468 463 500 93.7 92.7 76-114 <br /> Toluene-d8 481 488 500 96.1 97.6 88-110 <br /> i <br /> f <br /> E <br /> . i <br /> i <br /> k <br /> I <br /> Severn Trent Laboratories, Inc. 1211112002 12:19 <br /> STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 <br /> A pert of Seem Tmn1 Pic Tel 925 484 1919 Fax 925 484 1096"www.sti-inc.com`CA DHS ELAN 2496 Page 28 of 29 <br /> 4 <br /> F <br />