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t � <br /> Submission#: 2004-04-0611 <br /> t STL <br /> Fuel Oxygenates by 8260B <br /> San Joaquin Company, Inc. <br /> Attn.: Dai Watkins <br /> 1120 Hollywood Ave,Suite 3 <br /> Oakland, CA 94602-1459 <br /> Phone: (510)336-1772 Fax: (510)336-9119 <br /> �. Protect: 9902.015 Received: 04/20/2004 17:00 <br /> C. Navarra <br /> Site: 7500 W. 11th St.,Tracy <br /> Batch QC Report <br /> " Prep(s): 50308 Test(s):8260B <br /> Matrix Spike{MS!MSD) Soil QC Batch#2004104129-01.69 <br /> MW-16-20.5 >> MS Lab ID: 2004-04-0611 -014 <br /> MS: 2004104129-01.69-031 Extracted:04/30/2004 Analyzed: 04/30/2004 02:31 <br /> Dilution: 1.00 <br /> MSD: 2004104129-01.69-049 Extracted:04/30/2004 Analyzed: 04/30!2004 02:49 <br /> l Dilution: 1.00 <br /> Compound Cone. ug/Kg Spk.Levell Recove % Limits% Flags <br /> MS MSD Sample ug/Kg MS MSD RPD Rec. RPD MS MSD <br /> Benzene 47.4 49.0 ND 48.4 97.9 102.3 4.4 69-129 20 <br /> Toluene 52.9 52.5 ND 48.4 109.3 109.6 0.3 70-130 20 <br /> Surrogate(s) <br /> 1,2-Dichloroethane-d4 417 405 500 83.3 81.0 70-121 <br /> Toluene-d8 509 496 500 101.7 99.2 81-117 I <br /> I <br /> i <br /> ' I <br /> 1 <br /> i a <br /> 1 <br /> I <br /> Severn Trent Laboratories, Inc. 04/301200415:51 j <br /> j STL San Francisco*1220 Quarry Lane,Pleasanton,CA 94566 <br /> A W W 8—T—"PIC Tel 925 484 1919 Fax 925 484 1096www.stt-inc.corn*CA DHS ELAP#2496 Page 26 of 26 <br /> r <br /> a <br />