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11� I I L <br /> Submission # 2002-12-0615 <br /> Sy <br /> Fuel Oxygenates by 8260B <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 Mr Ed s Muffler Received 12/30/2002 14 25 <br /> Site 595 E 11th St <br /> Tracy, CA <br /> Batch QC Report <br /> Prep(s) 5030B Test(s) 8260FAB <br /> Laboratory Control Spike Water QC Batch # 2003101/06-01 27 <br /> LCS 2003101106-01 27-004 Extracted 01/06/2003 Analyzed 01/06/2003 10 01 <br /> LCSD 2003101106-01 27-005 Extracted 01/06/2003 Analyzed 01/06/2003 10 28 <br /> Compound Conc ug/L Exp Conc Recovery RPD Ctrl Limits % Flags <br /> LCS LCSD LCS LCSD % Rec RPD LCS LCSD <br /> Benzene 21 7 229 250 86 8 916 54 69-129 20 <br /> Toluene 21 6 228 25 0 86 4 91 2 54 70-130 20 <br /> Methyl ter#-butyl ether(MTBE) 26 0 28 1 25 0 1040 1124 78 65-165 20 <br /> Surrogates(s) <br /> 1 2-Dichloroethane-d4 469 473 500 933 946 76-114 <br /> l Toiuene-d8 1467 1469 500 934 938 88-110 <br /> 101 Severn Trent Laboratories, Inc 31/06/2003 15 20 <br /> STL San Franc:sco*1220 Quarry Lane Pleasanton CA 94566 <br /> part of sevem nem P,c Tel 925 484 1919 Fax 925 484 1096*www stl-Inc corn 'CA DHS FLAP*2496 ?age 13 of 14 <br />