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r1r Submission: 2004-06-0833 <br /> Fuel Oxygenates by 82608 <br /> Wright Environmental Services Inc <br /> Attn.: Scott Cragin <br /> 67 E 10th Street <br /> Tracy, CA 95376-4001 <br /> Phone: (209)833-0758 Fax: (209) 832-5152 <br /> Project: M&M Builders Received: 06/25/2004 16:00 <br /> Site: 8111 W. 11th Street, Tracy, CA <br /> Batch QC Report <br /> Prep(s): 5030B Test(s):8260B <br /> Laboratory Control Spike Water QC Batch#2004/06/30-03.66 <br /> LCS 2004/06/30-03.66-032 Extracted: 06/30/2004 Analyzed: 06/30/200418:32 <br /> LCSD 2004/06/30-03.66-056 Extracted: 06/30/2004 Analyzed: 06/30/200418:56 <br /> Compound Conc. ug/L Exp.Conc. Recovery% RPD Ctd.Limits% Flags <br /> LCS LCSD LCS LCSD % Rec. RPD LCS LCSD <br /> Methyl tert-butyl ether(MTBE) 24.5 25.9 25.0 98.0 103.6 5.6 65-165 20 <br /> Benzene 26.2 26.8 25.0 104.8 107.2 2.3 69-129 20 <br /> Toluene 27.0 26.7 25.0 108.0 106.8 1.1 70-130 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 465 488 500 93.0 97.6 72-128 <br /> To 500 1515 1500 100.0 1103.0 1 180-113 <br /> I k <br /> Severn Trent Laboratories, Inc. 07/02/200411:54 <br /> STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 <br /> A part of Severn Trent No ' Tel 925 484 1919 Fax 925 484 1096'www.sti-inc.com*CA DHS ELAP#2496 Page 4 of 4 <br /> a�. <br />