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®fid E <br /> Submission: 2004-12-0809 <br /> Gas/BTEX by 8 0 15M/8021 <br />= Wright Environmental Services Inc <br /> Attn.: Maria Reid <br /> 67 E 10th Street <br /> Tracy, CA 95376-4001 <br /> Phone: (209)833-0758 Fax: (209)832-5152 <br /> Project: 041223-MN1 Received: 12/27/2004 14:00 <br /> M & M Builders <br /> sit 8111 W. 11th Street Tracy, CA <br /> ;a <br /> Batch <br /> Prep(s): 5030 �. " Test(s): 8021 B <br /> Laboratory Control Spike Water QC-Batch#2004/12/29-01.05 <br /> LCS 2004/12/29-01.05-005 Extracted: 12/29/2004 Analyzed: 12/29/200410:29 <br /> LCSD <br /> Compound Conc. ug/L Exp.Conc. Recovery% RPD Ctrl.Limits% Flags <br /> LCS LCSD LCS I LCSD % Rec. RPD LCS LCSD <br /> ( , Benzene 49.4 50.0 98.8 77-123 20 <br /> Toluene 48.5 50.0 97.0 78-122 20 <br /> Ethyl benzene 46.8 50 93.6 70-130 20 <br /> Xylene(s) 143 150 95.3 75-125 20 <br /> Surrogates(s) <br /> Trifluorotoluene 524 500 1104.8 1 1 158-1241 <br /> s <br /> 3 <br /> j. <br /> T <br /> I <br /> f <br /> 1� <br /> f <br /> f <br /> i <br /> Severn Trent Laboratories, Inc. 12130/200412:04 <br /> STL San Francisco-1220 Quarry Lane,Pleasanton,CA 94566 <br /> Apert orS.—T.n R. Tel 925 484 1919 Fax 925 484 1096'www.sti-inc.com*CA DHS ELAP#2496 Page 7 of 10 <br />