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1 <br /> Submission#: 2002-09-0639 <br /> Gasoline <br /> SECOR- Lafayette STL San Francisco <br /> 1220 Quarry Lane <br /> Attn.: Neil Doran Pleasanton,CA 94566 <br /> 57 Lafayette Circle, 2nd Floor <br /> ' Lafayette, CA 94549-4321 Tel:(925)484-1919 <br /> Phone: (925)299-9300 Fax: (925)299-9302 Fax:(925)484-1096 <br /> www.stknc.com <br /> Project: 050T.02926.00 Received: 09/26/200215:00 www.chromalab.com <br /> ' Tower Park Marina <br /> CA DHS ELAP#2496 <br /> ' Batch QC Report <br /> Prep(s): 5030 Test(s):8015M <br /> ' Matrix Spike(MS/MSD ► Water QC Batch#2002/10/03-01.02 <br /> MW-4 >> MS Lab ID: 2002-09-0639 -003 <br /> ' MS: 2002/10/03-01.02-012 Extracted: 10/03/2002 Analyzed: 10/03/200213:46 <br /> Dilution: 1.00 <br /> MSD: 2002/10/03-01.02-013 Extracted: 10/03/2002 Analyzed: 10/03/200214:20 <br /> ' Dilution: 1.00 <br /> Compound Conc. ug/L Spk.Level Recovery Limits% Flags <br /> MS MSD Sample ug/L MS MSD RPD Rec. RPD MS I MSD <br /> Gasoline 508 538 ND 500 101.6 107.6 5.7 65-135 20 <br /> surrogate(s) <br /> ' 4-Bromofluorobenzene-FID 509 553 500 101.8 110.7 50-150 <br /> 1 <br /> 10/04/2002 14:32 STL San Francisco is part of Severn Trent Laboratories, Inc. Page 7 of 8 <br /> t <br />