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STLSubmission M 2004-01-0007 <br /> PNA analysis by 8270C/SIM GC/MS <br /> Geomatrix Consultants <br /> Attn.: Robert Cheung <br /> 2101 Webster Street, 12th Floor <br /> Oakland, CA 94612 <br /> Phone: (510) 663-4299 Fax: (510) 663-4141 <br /> Project: 7066.001 Received: 11/17/2003 <br /> Batch QC Report <br /> Prep(s): 3550B/827OC-SIM Test(s): 8270C-SIM <br /> Laboratory Control Spike Soil QC Batch #2004/01/02-01.40 <br /> LCS 2004/01/02-01.40-004 Extracted: 01/02/2004 Analyzed: 01/05/200412:17 <br /> LCSD 2004/01/02-01.40-005 Extracted: 01/02/2004 Analyzed: 01/05/200412:43 <br /> Compound Conc. ug/Kg Exp.Conc. Recovery% RPD Ctrl.Limits% Flags <br /> LCS LCSD LCS LCSD % Rec. RPD LCS LCSD <br /> Acenaphthene 256 258 332 77.1 77.7 0.8 50-150 30 <br /> Phenanthrene 225 228 332 67.8 68.7 1.3 50-150 30 <br /> Pyrene 281 286 332 84.6 86.1 1.8 50-150 30 <br /> Chrysene 273 273 332 82.2 82.2 0.0 50-150 30 <br /> Benzo(a)pyrene 239 246 332 72.0 74.1 2.9 50-150 30 <br /> Surrogates(s) <br /> 2-Fluorobiphenyl 8.42 8.01 10 84.2 80.1 30-115 <br /> p-Terphenyl-d14 6.78 6.84 10 67.8 68.4 18-137 <br /> Severn Trent Laboratories, Inc. 01/08/200414:19 <br /> STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 <br /> A part of Severn Trent Pic Tel 925 484 1919 Fax 925 484 1096'www.stl-inc.com`CA DHS ELAP#2496 Page 7 of 9 <br />