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s- <br /> i <br /> OSI: i ['' •{ <br /> 'Submission#: 2003-12-0567 <br /> STL <br /> Fuel Oxygenates by 82608 <br /> Wright Environmental Services Inc <br /> Atfm: Maria Reid <br /> j " <br /> 67.1E 10th Street <br /> Tracy, CA 95376-4001 <br /> Phone: (209)833-0758 Fax: (209) 832-5152 <br /> Project: 031215-JB1 Received: 12/16/2003 14:25 <br /> M&M Builders <br /> Site: 8111 W. 11th Street Tracy, CA <br /> r <br /> Batch QC Report <br /> Prep(s): 5030B ' Test(s):82606 <br /> Matrix Spike( MS/MSD ) Water QC Batch#2003/12/22-02.64 <br /> MW-3 >> MS Lab ID: 2003-12-0567-003 <br /> MS: 2003/12/22-02.64-059 Extracted: 12/22/2003 Analyzed: 12/22/2003 21:59 <br /> Dilution: 1.00 <br /> MSD: 2003/12/22-02.64-021 Extracted: 12/22/2003 Analyzed: 12/22/2003 22:21 <br /> Dilution: 1.00 <br /> Compound Conc. ug/L S k.Level Recovery% Limits% Flags <br /> a MS MSD Sample ug/L MS MSD RPD Rec. RPD MS MSD <br /> Methyl tert-butyl ether 20.9 25.0 ND 25.0 83.6 100.0 17.9 65-165 20 <br /> Benzene 21.1 23.0 ND 25.0 84.4 92.0 8.6 69-129 20 <br /> Toluene 21.0 24.6 ND 25.0 84.0 98.4 15.8 70-130 20 <br /> .urrogafe(s) <br /> 1,2-Dichloroethane-d4 458 481 500 91.6 96.2 76-114 <br /> Toluene-d8 477 476 500 95.5 95.1 88-110 <br /> ' e <br /> S} <br /> t <br /> .i <br /> Severn Trent Laboratories, Inc. 12/23/200318:34 <br /> STL San Francisco`1220 Quarry Lane,Pleasanton,CA 94566 <br /> A part of Severn Trent Ple Tel 925 484 1919 Fax 925 484 1096*www.sti-inc.com"CA DHS ELAP#2496 Page 7 of 7 <br />