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ci"�.">L�71IIS Submission # 2004-01-0703 <br /> M33MM TL <br /> • Gas1BTEX Fuel Oxygenates by 82608 <br /> TRC Alton Geoscience <br /> Attn Anlu Farfan <br /> 21 Technology Drive <br /> Irvine, CA 92718 <br /> Phone (949) 341-7440 Fax (949) 753-0111 <br /> Project 41050001 FA20 Received 01/27/2004 13 30 <br /> Conoco Phillips#01205 <br /> Site 16470 Cambridge St , Lathrop <br /> Batch QC Report <br /> Prep(s) 5030B Test(s) 8260FAB <br /> h <br /> Laboratory Control Spike Water QC Batch#2004102!06-113 62 <br /> LCS 2004102106-1 B 62-017 Extracted 02/06/2004 Analyzed 02/06/2004 09 17 <br /> LCSD 2004102106-1 B 62-039 Extracted 02/06/2004 Analyzed 02/06/2004 09 39 <br /> Compound Conc ug/L Exp Conc Recovery% RPD Ctrl Limits% Flags <br /> LCS LCSD LCS LCSD % Rec RPD LCS LCSD <br /> Methyl tert-butyl ether(MTBE) 265 254 25 1060 1016 42 65-165 20 <br /> Benzene 230 266 25 920 1064 145 69-129 20 <br /> Toluene 259 288 25 1036 1152 106 70-130 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 441 434 500 88 2 868 76-114 <br /> Toluene-d8 460 494 500 920 988 88-110 <br /> Severn Trent Laboratories, Inc 02/09/2004 17 51 <br /> STL San Francisco"1220 Quarry Lane Pleasanton CA 94566 <br /> A part of se—Trent Plc Tel 925 484 1919 Fax 925 484 1096'www sti-inc com`CA DHS ELAP#2496 Page 21 of 23 <br />