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STL - Submission#. 2003-09-1035 <br /> 111111111mlis <br /> Gas/BTEX Fuel Oxygenates by 8260B <br /> Gettler Ryan <br /> • <br /> Attn Deanna Harding <br /> 6_747 Sierra Court Suite J <br /> _ ----- Dublin.-CA9456894568--- — ----- --- �T - - - --- - - - - -- - - - -- --- --- - - - - - - <br /> Phone (925)551-7444 Fax (925)551-7899 <br /> Project 180138 80 Received 09/26/2003 17 40 <br /> Conoco #6981 <br /> Site 4707 Pacific Avenue, Stockton, CA <br /> a 5 ` � r� w -•4 s., s u u s r � <br /> „ y Batch QC Report 4 . <br /> < ` h 'Te s 8260FAB <br /> Preps) "`50308 � � _> � � � <br /> ,.4 <br /> �L aboratory Control Splice rs =n` r �r y`Water - r,,,QC Batch#2003110103-01 69,, <br /> , Ev � <br /> z s r uN , <br /> Ccs ' 2003110103-01 69-041 i ;f Extracted 10103/2003 � �`" v -_Analyzed '1010312003 0941 <br /> LCSD; 2{}03110103-01 69-0U2 Extracted 10/03/2003 ' Analyzed 10/0312003 10 02 <br /> Compound Conc ug/L Exp Conc Recovery% RPD Ctrl Limits% Flags <br /> LCS LCSD LCS LCSD % Rec RPD LCS LCSD <br /> Benzene 266 268 250 1064 1072 07 69-129 20 <br /> Toluene 20 6 211 260 824 844 24 70-930 20 <br /> Methyl tent-butyl ether(MTBE) 254 232 250 1016 928 91 65-165 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 473 472 500 946 94 4 76-114 <br /> Toluene-d8 494 511 500 988 1022 88-110 <br /> Severn Trent Laboratories, Inc 1D108r2003 16 18 <br /> STL San Francisco•1220 Quant'Lane Pisasanton CA 94566 Page 25 of 30 <br /> Awul s.y Tm Pk Tel 925 484 1919 Fax 925484 1096'www stkinccom'CA DHS ELAP#2496 <br />