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� STL <br /> Submission: 2005-03-0926 <br /> r: s <br /> Gas/BTEX Fuel Oxygenates by 82606 <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: 410500011FA20 Received: 03/25/2005 17:23 <br /> Conoco Phillips#11195 <br /> Site: 16500 S. Interstate 5, Lathrop <br /> Batch GIC Report <br /> Prep(s): 50306 Tests):.82606.- <br /> Matrix Spike { MS 1 MSD ) Water QC Batch#2005l04105.4A.69 <br /> MW-21 » MS Lab ID: 2005-03-0926-00.1 <br /> MS: 2005104105-4A.69-006 Extracted;04/05/2005 Analyzed: 04/05/2005 21:06 <br /> Dilution: 1:00 <br /> .MSD: . 2005/04/05-4A.6M25 Extracted:04/05/2005 Analyzed: 04/05/2005 21:25' <br /> Dilution- 1.00 f:= <br /> Compound Conc. ug/L Spk.Level Reoovery% Limits% Flags <br /> MS MSD Sample ug/L MS I MSD RPD Rec, RPD MS MSD <br /> Methyl tort-butyl ether 31.7 26.4 ND 25 126.8 105.6 18.2 65-165 20 <br /> Benzene 26.2 22.7 ND 25 104.8 90,8 14.3 69-129 20 <br /> Toluene 26.1 22.9 ND 25 104.4 91.6 13.1 70.130 20 <br /> Surrogate(s) <br /> 1,2-Dichloroethane-d4 491 474 500 98.2 94.6 73-130 <br /> Toluene-d8 458 467 1 1 500 91.6 93.4 1 81-114 <br /> 04/0812005 16:10 <br /> Severn Trent Laboratories, Inc. <br /> STL San Francisco`1220 Quarry Lane,Pleasanton,CA 94566 <br /> Apad of G.—Trent Plc Tel 925 484 1919 Fax 925 484 1096'WWW.Sti-inG.com'CA DHS FLAP#2496 Page 5 of 6 <br />