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STLSubmission#: 2003-01-0066 <br /> Gas/BTEX Fuel Oxygenates by 8260B <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 180288 80 Received 01/07/2003 14 20 <br /> Tosco# 11192 <br /> Site 1403 Country Club Blvd <br /> Stockton, CA <br /> h e <br /> w Batch QC Report <br /> r <br /> yy w F "E Jest(s) 8260FAB <br /> i <br /> Prep503U <br /> Prep(s) <br /> t � �-,:'.+,✓£; M i Y .. <br /> k c ary s � <br /> � GC Batch# 2003101116-07.27 " <br /> MS 1 MSD r Water <br /> 1Natriz Spike t ) ; �`�� � � <br /> 11 <br /> ` Lab ID " , 200 =01-0066 -007 <br /> MW-7 » MS u n F <br /> MS 2003101116-01 27-018 f Extracted 0111612003 µ Analyzed 01116/2003 17 35 <br /> 4 Dilution ry 100 <br /> MSD <br /> '2003101/16-01 27-019 '° Extracted 01/16/2003 % Analyzed r 0 1/16/2003 17 57 <br /> Dilution - 100 <br /> Compound Conc u !L Spk Leve Recove Limits% Flaas <br /> M5 MSD Sample u 1L MS MSD RPD Rec RPD MS MSD <br /> Benzene 227 22 0 ND 25o 908 880 31 69-129 20 <br /> Toluene 230 234 ND 250 92 0 93 6 17 70-130 20 <br /> Methyl tert-butyl ether 25 3 1241 161 250 1368 320 14 0 65-165 20 <br /> Surrogate(s) <br /> 1,2-Dichloroethane-d4 447 455 500 9 3 91 0 76-114 99 0 94 8 88-i 10 <br /> Toluene-d$ 495 474 500 9 <br /> 01!17/2003 15 17 <br /> Severn Trent Laboratories, Inc <br /> STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 Page 25 of 26 <br /> A part of S&%MM T(*M Pic Tel 925 484 1919 Fax 925 484 1096'www stl-inc com'CA DHS FLAP#2496 <br />