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t _ <br /> r <br /> { <br /> Submission#: 2002-09-0702 <br /> Gas/BTEX by 8015M/8021 <br /> Wright Environmental Services Inc STL San Francisco <br /> Attn.: Maria Reid 1220 Quarry Lane <br /> 67 E 10th Street Pleasanton,CA 94566 <br /> Tracy, CA 95376-4001 Tel:(925)484-1919 <br /> Phone: (209) 833-0758 Fax: (209) 832-5152 Fax:(925)484-1096 . <br /> Project: M & M Builders Received: 09l30/2002 14:45 www.sfl-inc.comwww.chromalab.com <br /> Site: 8111 W. 11th Street <br /> Tracy, CA CA DHS FLAP#2496 <br /> Batch QC Report <br /> Prep(s): 5030 Test(s): 80216 <br /> ' Laboratory Control Spike Water QC Batch#2002/10/09-01.04 <br /> l LCS 2002/10/01-01.04-004 Extracted: 10/01/2002 Analyzed: 10/01/2002 09:08 <br /> i <br /> LCSD 2002/10/01-01.04-005 Extracted: 10/01/2002 Analyzed: 10/01/2002 09:33 <br /> Compound Conc. ug/L Exp.Conc. Recovery JRPD Ctrl.Limits% Flags <br /> i LCS LCSD LCS LCSD % Rec. RPD LCS LCSD <br /> Benzene 102 99.2 100.0 102.0 99.2 2.8 77-123 20 <br /> Toluene 97.9 94.9 100.0 97.9 94.9 3.1 78-122 20 <br /> Ethyl benzene 105 101 100.0 105.0 101.0 3.9 70-130 20 <br /> Xylene(s) 3C8 305 300 102.7 101.7 1.0 75-125 20 <br /> Surrogates(s) <br /> / Trifluorotcluene 509 493 500 101.8 98.6 58-124 <br /> I <br /> i <br /> I: <br /> i <br /> i <br /> 1110712002 11:35 STL San Francisco is oart of Severn Trent Laooratories.inc. Page 6 of 7 <br /> s <br />