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� - h <br /> r. <br /> S T L Submission: 2004-12.0056 <br /> Gas/BTEX Fuel Oxygenates by 8260B <br /> TRC Alton Geoscience- Irvine <br /> Attn.:Anju Farfan <br /> 21 Technology Drive <br /> Irvine, CA 92718 <br /> Phone: (949)341-7440 Fax: (949)753-0111 <br /> Project: 41050001 FA20 Received: 11/30/2004 16:07 <br /> Conoco Phillips#11195 <br /> Site: 16500 S. Interstate 5 <br /> Batch QC Report <br /> Prep(s):. 50308 Test(s):8260FAB. <br /> Matrix Spike(MSI MSD ) Water QC Batch#2004112708-2A.66 <br /> MSIMSD Lab ID: 2004-12-0157-001 <br /> MS: 2004/12/08-2A.66-028 Extracted: 12/08/2004 Analyzed: 12/08/2004 19:28 <br /> Dilution: 1.00 .. <br /> MSD: 2004112108-2A.66-050 Extracted:12/08/2004 Analyzed: 121081200419:50 <br /> Dilution: 1.00 <br /> Compound Conc. ug/L Spk.Level R000very% Limits% Flags <br /> MS MSD Sample u IL MS I MSD RPD Rec. RPD MS MSD <br /> Methyl tert-butyl ether 26.2 25.0 ND 25 104.8 100.0 4.7 65-165 20 <br /> Benzene 30.0 29.1 ND 25 120.0 116.4 3.0 69-129 20 <br /> Toluene 29.5 28.1 ND 25 118.0 112.4 4.9 70-130 20 <br /> Surrogates) <br /> 1,2-Dichloroothane-d4 494 492 500 98.8 98.4 73-130 <br /> Toluene-d8 513 516 500 102.6 103.2 81-114 <br /> I <br /> i <br /> i <br /> I <br /> Severn Trent Laboratories, Inc. 12/14/2004 13:37 <br /> STL San Francisco`1220 Quarry Lane,Pleasanton,CA 94566 <br /> A pen of Sewm hen[Pk Tel 925 484 1919 Fax 925 484 1096'www.stl-inc.com`CA DHS ELAP#2496 Page 48 of 50 k <br />