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n) a <br /> © Submission 2005-03-0010 <br /> STL� •r <br /> GasIBTEX Fuel Oxygenates by 82608 <br /> TRC Alton Geoscience- Irvine <br /> Attn Anlu Farfan <br /> 21 Technology Drive <br /> Irvine, CA 92718 <br /> Rhone (949) 341-7440 Fax (949) 753-0111 <br /> Project 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) 50306 Test(s) 8260B <br /> Matrix Spike (MS/MSD ) Water QC Batch#2005103111-1A 65 <br /> MS/MSD Lab 1D 2005-03-0259 -001 <br /> MS 2005/03/11-1A 65-056 Extracted 03/11/2005 Anafyzed 03111/2005 08 56 <br /> Dilution 1 00 <br /> MSD 2005103111-1A 65-020 Extracted 03/11/2005 Analyzed 03/11/2005 09 20 <br /> Dilution 100 <br /> Compound <br /> Cone ug IL Spk Level Recove % Limits% Flags <br /> MS MSD Sample uq.1L MS MSD RPD Rec RPD MS MSD <br /> Methyl tert-butyl ether 262 271 ND 25 1048 1064 34 65-165 20 <br /> Benzene 251 260 NO 25 1004 1040 35 69-129 20 <br /> Toluene 266 276 ND 25 1064 1104 37 70-130 20 <br /> Surrogate(s) <br /> 1 2-Dichloroethane-l4 441 439 500 882 878 73-130 <br /> Toluene-d8 459 463 500 918 1926 1 81-114 <br /> Severn Trent Laboratories, Inc 03/15/2005 09 29 <br /> STL San Francisco.1220 Quarry Lane Pleasanton CA 94565 <br /> Apart of 9-Tm@ t pie Tel 925 484 1919 Fax 925 484 1096"www stl-inc cam`CA DHS FLAP#2496 Page 33 of 35 <br />