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i <br /> �® STL �� Submission: 2004-12-0809 <br /> a 3122111 <br /> Fuel Oxygenates by 8260B <br /> Wright Environmental Services Inc <br /> Attn,: Maria Reid <br /> 67 E 10th Street <br /> Tracy, CA 95376-4001 <br /> Phone: (209)833-0758 Fax: (209)832-5152 <br /> Project: 041223-MN1 Relceived: 12/27/2004 14:00 <br /> M &M Builders <br /> Site: 8111 W. 11 th Street Tracy, CA <br /> l <br /> i <br /> Batch QC Report <br /> Prep(s): 5030B Test(s):8260B <br /> Matrix Spike ( MS/MSD) Watef QC Batch#2004/12129-01.64 <br /> MS/MSD Lab ID: 2004-12-0770-004 <br /> MS: 2004/12/29-01.64-004 Extracted:12)29/.2004 Analyzed: 12/29/200410:04 <br /> Dilution: 1.00 <br /> MSD: 2004/12/29-01.64-025 Extracted: 12/29/2004 Analyzed: 12/29/200410:25 <br /> f Dilution: 1.00 <br /> Compound Conc. u /L Sp k1evel Recovery% Limits% Fla s <br /> MS MSD Sample u /L �MS MSD RPD Rec. RPD MS MSD t <br /> Methyl tert-butyl ether 25.7 24.8 ND, 25.0 1102.8 99.2 3.6 65-165 20 <br /> Surrogate(s) ! <br /> 1,2-Dichloroethane-d4 534 539 500 1106,8 107.8 73-130 <br /> Toluene-d8 514 511 500 102.8 102.2 81-114 <br /> I <br /> ) <br /> i <br /> II <br /> s( <br /> i <br /> i <br /> i <br /> i <br /> I <br /> • i <br /> II <br /> Severn Trent Laboratories, Inc. 12/30/200411:19 <br /> i({ <br /> STL San Francisco*1220 Quarry Lane,Pleasanton,CA 94566 <br /> A prt m S—T.n,M. Tel 925 484 1919 Fax 925 4841096*www.sti-inc.com*'6A DHS ELAP#2496 Page 8 of 8 <br /> 'l <br />