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d) U <br /> STLSubmission 2005-03-0010 <br /> • GasIBTEX Fuel Oxygenates by 82606 <br /> TRC Alton Geoscience- Irvine <br /> Attn Anlu Far-fan <br /> 21 Technology Drive <br /> Irvine, CA 92718 <br /> Phone (949) 341-7440 Fax (949) 753-0111 <br /> Protect 41050001 FA20 Received 02/28/2005 15 05 <br /> Conoco Phillips# 11192 <br /> Site 1403 Country Club Blvd Stockton <br /> Batch QC Report <br /> Prep(s) 5030B Test(s) 82608 <br /> Laboratory Control Spike Water QC Batch#2005103111-2A 65 <br /> LCS 2005103/11-2A 65-036 Extracted 03/11/2005 Analyzed 03/11/2005 18 36 <br /> LCSD <br /> Compound Conc. ug/L Exp Conc Recovery% RPD Ctrl Limits% Flags <br /> LCS LCSD LCS LCSD % Rec I RPD LCS LCSD <br /> Methyl tert-butyl ether(MTBE) 239 25 956 65-165 20 <br /> Benzene 244 25 976 69-129 20 <br /> Toluene 258 25 1032 70-130 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 441 500 88 2 73-130 <br /> Toluene-d8 1478 1 1500 1956 1 1 181-1141 <br /> Severn Trent Laboratories, Inc 03/1512005 09 29 <br /> STL San Francisco" 1220 Quarry Lane Pleasanton CA 94566 <br /> A part of Severn T�anl Pk Tel 925 484 1919 Fax 925 484 1 096`www stl-inc com'CA DHS FLAP#2496 Page 29 of 35 <br />