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7Submission#: 2003-12-0567 <br /> Fuel Oxygenates by 8260B <br /> Wright Environmental Services Inc <br /> Attn'•.:�Maria Reid <br /> 67E 10th Street <br /> Tracy, CA 95376-4001 <br /> Phone: (209) 833-0758 Fax: (209) 832-5152 <br /> j' <br /> Project: 031215-JB1 Received:.12/16/2003 14:25 <br /> ` M &M Builders <br /> i Site: 8111 W. 11th Street Tracy, CA <br /> , y <br /> i Batch QC Re ort <br /> Prep(s): 5030B " Test(s): 8260B <br /> Laboratory Control Spike Water QC Batch#2003/12/22-02.64 <br /> LCS. 2003/12/22-02.64-001 Extracted: 12/22/2003 =Analyzed: 12/22/2003 18:01 <br /> LCSD 2003/12/22-02.64-024 Extracted: 12/22/2003 Analyzed: 12/22/200318:24 <br /> Compound Cone. ug/L Exp.Conc. Recovery% RPD Ctrl.Limits% Flags <br /> LCS LCSD LCS LCSD % i Rec. RPD LCS LCSD <br /> Methyl tert-butyl ether(MTBE) 22.8 22.8 25.0 91.2 91.2 0.0 '65-165 20 <br /> benzene 22.8 22.9 25.0 91.2 91.6 0.4 ;69-129 20 <br /> rToluene 25.0 24.5 25.0 100.0 98.0 2.0 70-130 20 <br /> Surrogates(s) <br /> :1,2-Dichloroethane-d4 457 478 500 91.4 95.6 176-114 <br /> Toluene-d8 486 498 500 97.2 99.6 188-110 <br /> a <br /> 7 J <br /> s <br /> i3 - <br /> =� 3 <br /> it <br /> >N <br /> Ln <br /> Severn Trent Laboratories, Inc. 12/23/200318:34 <br /> > .. STL San Francisco"1220 Quarry Lane,Pleasanton,CA 94566 <br /> A part of nevem Trend Plc Tel 925 484 1919 Fax 925 484 1096*www.stl-inc.com"CA DHS ELAP#2496 " Page 6 of 7 <br /> ;i <br />