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STLSubmission #: 2003-01-0066 <br /> GasIBTEX Fuel Oxygenates by 82608 <br /> Gettler Ryan <br /> AM Deanna Harding <br /> 6747 Sierra Court Suite J <br /> Dublin, CA 94568 <br /> Phone (925) 551-7444 Fax (925) 551-7899 <br /> Project 180288 80 Received 01/07/2003 14 20 <br /> Tosco# 11192 <br /> Site 1403 Country Club Blvd <br /> Stockton, CA <br /> - Batch QC Report <br /> Prep(s) 5030B a Tests) 8260FA6 <br /> r <br /> Water QC Batch # 2003101114-02.27 <br /> Laboratory Control Spike r y t <br /> s YPr t <br /> LCS 2003101114-02 27-032 Extracted 01/14/2003 Analyzed 01114/2003 21 18 <br /> LCSD 2003101114-0227-033 Extracted 01/14/2003 Analyzed 01/14/2003 2140 <br /> Compound Conc uglL Exp Conc Recovery RPD Ctrl Limits% Flags <br /> LCS LCSD LCS LCSD % Rec. RPD LCS LCSD <br /> Benzene 229 230 250 916 920 0 4 69-129 20 <br /> Toluene 232 244 250 928 97 6 5 0 70-130 20 <br /> Methyl terl-butyl ether(MTBE) 27 0 275 250 108 0 1100 1 8 65-165 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 475 483 500 950 966 76-114 <br /> Toluene-d8 1487 471 500 .974 .942 88-110 <br /> 011171200315 17 <br /> Severn Trent Laboratories, Inc <br /> STL San Francisco'1220 Cluarry Lane,Pleasanton,CA 94556 Page 21 of 26 <br /> A wn Of seem trmR M Tel 925 484 1919 Fax 925 484 1096'www stl-inc com"CA DHS ELAN 2496 <br />