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Submission #: 2002-03-0492 <br /> } <br /> rGasIBTEX by 8015M18021 <br /> Batch QC report <br /> STL San Francisco <br /> Test Method: 8021B Prep Method: 5035 1220 Quarry Lane. <br /> Pleasanton,CA 94566 <br /> Laboratory Control Spike (LCSILCSD) Soil QC Batch#2002103129-01.03 Tel 925 484 1919 <br /> LCS: 2002103129-01.03-002 Extracted: 03/29/2002 11:28 Analyzed: 03/29/2002 11:28 Fax 925 484 1096 <br /> www.stl-inc.com <br /> LCSD: 2002/03/29-01.03-003 Extracted: 03/29/2002 11:58 Analyzed: 03/29/2002 11:58 www.chromalab.com <br /> CA DHS ELAP#1094 <br /> Compound Conc.[mglKg] Exp.Conc.[mg/Kg] Recovery RPD Ctri.Limils[°Ye] Flags <br /> LCS LCSD LCS LCSD LCS LCSD [%] Recover RPD LCS LCSD <br /> Benzene 0.0986 0.0966 0.1000 0.1000 98,6 96.6 2.0 77-123 35 <br /> Toluene 0.0978 0.0959 0.1000 0.1000 97.8 95.9 2.0 78-122 35 <br /> Ethyl benzene 0.0992 0.0997 0.1000 0.1000 99.2 99.7 0.5 70-130 35 <br /> 'i <br /> Xylene(s) 0.292 0.293 0.300 0.300 97.3 97.7 0.4 75-125 35 <br /> Surrogate(s) <br /> { Trifluorotoluene 548 499 500 500 109.6 99.8 53-125 <br /> I <br /> } <br /> STL San Francisco is a part of Severn Trent Laboratories,Inc. Page 10 of 13 <br /> f <br />