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vj <br /> Submission Of. 2003-03-0696 <br /> STL <br /> . GaslBTEX Fuel Oxygenates by 8260B <br /> I <br /> Gettler Ryan <br /> Attn Deanna Harding <br /> 6747 Sierra Court Suite J <br /> Dublin, CA 94568 <br /> Phone (925) 551-7444 Fax (925)551-7899 <br /> Project 180138 80 Received 03/31/2003 12 00 <br /> Tosco 1# 6981 <br /> Site 4707 Pacific Avenue <br /> Stockton, CA <br /> Batch OC Report <br /> Prep(s) 5030B Tests) 8260FAB <br /> Laboratory Control Spike Water QC Batch#2003/04110-0139 <br /> LCS 2003104110-01 39-008 Extracted 04110/2003 Analyzed 04/10/2003 13 49 <br /> LCSD 2003104110-01 39-009 Extracted 04/1012003 Analyzed 04/10/2003 14 16 <br /> Compound Conc ug/L Exp Conc Recovery IRP6 Ctrl Umds% Flags <br /> LCS LCSD LCS I LCSD I % Rec RPD LCS LCSD <br /> Benzene 275 264 25 0 1100 1056 141 69-129 20 <br /> Toluene 270 247 250 1080 988 89 70-130 20 <br /> Methyl tert-butyl ether (MTBE) 274 260 250 1096 11040 52 65-165 i 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 434 426 500 868 852 76-114 <br /> Toluene-d8 1496 464 500 992 928 88-110 <br /> Severn Trent Laboratories, Inc 04/14/2003 17 47 <br /> STL San FrancisGO' 1220 ouarry Lane Pleasanton CA 94566 Page 23 of 26 <br /> Tel 925 494 1919 Fax 925 484 1096'www st1-inc com"CA DHS ELAN 2496 <br />