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Submission #: 2003-08-0507 <br /> STL <br /> Gas/BTEX Fuel Oxygenates by 8260B • <br /> L <br /> Gettler Ryan <br /> Attn Deanna Harding <br /> I <br /> 6747 Sierra Court Suite J <br /> Dublin, CA 94568 <br /> Phone (925) 551-7444 Fax (925)551-7899 - <br /> Project 180198 80 Received 08/14/2003 19 09 <br /> Conoco#08671 <br /> Site 8606LThornton Rd , Stockton, CA <br /> w Batch QC Report <br /> ' r �� - Y �Jest(s) 8260 FAB, <br /> Prep(s) 5030B � � � ,� E � , .� x , , �k <br /> JS <br /> '� s, � (� �T i, 0.d= �t•+mac_ s ,S ,y ti w "`r c ��r c,r t r" r <br /> Laboratory Control Spike',, ' =Water a QC Batch#2003108127-1B 65 <br /> 08/2712003 , Analyzed 08/27/2003 09 48 <br /> LCS"v 2003108127-1 B 65-009 s G Extracted <br /> _ LCSD 2003108127-1 665'010 Extracted 08/27/2003 ,r Analyzed 08/27/2003 10 10 <br /> Compound Conc ug/L Exp Conc Recovery% RPD Ctrl Limits % Hags <br /> LCS LCSD LCS ILCSD % Rec RPD LCS LCSD <br /> Benzene 25 7 25 6 25 1028 1024 0 4 69-129 20 <br /> Toiuene 267 263 25 1068 1052 15 70-130 20 <br /> Methyl tert-butyl ether(MTBE) 211 214 25 1844 856 14 65-165 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 446 445 500 892 890 76-114 <br /> =Toluene-d8------- 522— 525 _—_ _500__ 104 4— 405.0_ 88-110 _ _ <br /> Severn Trent Laboratories, Inc 08/281200314 23 <br /> STL San Francisco•1220 Quarry Lane, Pleasanton,CA 94566 Page 12 of 15 <br /> A part or Sm Twit Pic Tel 925 484 1919 Fax 925 484 1096 t www stl-mc corn'CA DHS ELAP##2496 <br />