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STLsubmission# 2003-09-1036 <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 180138 80 - _ Received 09/26/2003 17 40 <br /> Conoco #6981 <br /> -— -- - `- -- -- -- - - _ -- --- J--- - -�--Site 4707 Pacific Avenue, StocktonCA <br /> h u� Batch QC Report <br /> x <br /> Prep(s) 50308 Test(s)8260FAB <br /> t�Lf a'b: o",ra�to ryControl S.. 5ik"e <br /> QC'Batch#200310108.1$64- <br /> �LCS 2003/10106-1 B 64`044 � � ' Extracted 10/06/2003, v` _x� Analyzed 10/0612003'10 44- <br /> LCS <br /> D <br /> 4°LCSD h2p03/10106-1B 64-006 �w - Extracted 10/06/2003 r� �-u ti��'� Anaiyzed 10/06/200311 O6„ <br /> Compound Conc uglL Exp Conc Reoovery% RPD Ctrl Limits% Flags <br /> LCS LCSD LCS LCSD % Rec RPD LCS LCSD <br /> Methyl tent-butyl ether(MTBE) 224 218 25 896 872 27 65-165 20 <br /> Benzene 239 24 0 25 956 960 04 69-129 20 <br /> Toluene 260 260 25 1040 1040 00 70-130 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 393 389 500 786 77 8 76-114 <br /> Toluene-d8 494 505 500 988 1010 88-110 <br /> Severn Trent Laboratories, Inc 10/0812003 16 16 <br /> STL San Franctsco-1220 Quarry Lane Pleasanton CA 94566 <br /> •Wd r.—1�R Tel 925 484 1919 Fax 925 484 1096'www stl-inc oom'CA QHS FLAP#2496 Page 29 of 30 <br />