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TL <br /> Submission#t 2003-03-0131 <br /> t"= <br /> Fuel Oxygenates by 82608 <br /> I <br /> ATC Associates Inc. <br /> I Attn.: Jim Lehrman <br /> I <br /> 6602 Owens Drive Suite 100 <br /> Pleasanton, CA 94588 <br /> Phone: (925)460-5300 Fax_ : (925)463-2559 <br /> Project: 75.62503.3204 Received: 03/07/2003 08:35 <br /> Quik Stop#1 I <br /> Batch QC Re art <br /> Prep(s): 5030B Test(s):8260E <br /> Laboratory Control Spike Water QC Batch#2003/03111-01.62 <br /> LCS 2003103111-01.62-045 Extracted: 03/11/2003 Analyzed: 03/111200310:44 <br /> J LCSD 2003103111-01.62-006 Extracted: 03/11/2003 Analyzed: 03/11/2003 11:06 <br /> i <br /> Compound Conc, ug/L Exp.Conc. Recovery RPD Ctrl.Limits% Flags <br /> LCS LCSD LCS LCSD % Rec. RPD LCS LCSD <br /> Methyl ter#-butyl ether(MTBE) 22.9 22.5 25.0 91.6 90.0 1.8 65-165 20 <br /> Benzene 23.9 23.6 25.0 95.6 94.4 1.3 69-129 20 <br /> ` Toluene 24.7 24.1 25.0 1 98.8 96.4 2.5 70-130 20 <br /> ti J Surrogates(s) <br /> 1,2-Dichloroethane-d4 534 551 500 106.8 110.2 76-114 0 <br /> i� Toluene-d8 502 498 500 100.4 1 99.6 1 88-110 0 <br /> ILS <br /> f1 <br /> ii t r <br /> I' <br /> II, <br /> Severn Trent Laboratories, Inc. 03!1212003 17:48 <br /> STL San Francisco-1220 Quarry Lane,Pleasanton,CA 94566 <br /> A W Of S"eF I TrcM Pie Tel 925 484 1919 Fax 925 484 1096'wvvw.sti-inc.com'CA DHS ELAP#2496 Page 16 of 19 <br /> '�I <br />