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wn�� STL Submission 2004-12-0129 <br /> Gas/BTEX Fuel Oxygenates by 8260B <br /> SECOR-Sacramento <br /> Attn Amy Draffan <br /> 3017 Kilgore Road, Suite 100 <br /> Rancho Cordova, CA 95670 <br /> Phone (916)861-0400 Fax (916) 861-0430 <br /> Project 77CP 60004 01 0193 Received 12/01/2004 17 15 <br /> Conoco Philips Site#11193 <br /> Site 3202 West Hammer Lane, Stockton, CA <br /> Batch QC Report <br /> Prep(s) 5030E Test(s) 8260B <br /> Laboratory Control Spike Water QC Batch#2004112107-2B 68 <br /> LCS 2004/12/07-213 68-041 Extracted 12/07/2004 Analyzed 12/07/2004 1841 <br /> LCSD <br /> Compound Conc ug/L Exp Conc Recovery% RPD Ctrl Limits% Flags <br /> LCS LCSD LCS LCSD % Rec RPD LCS LCSD <br /> Methyl tert-butyl ether(MTBE) 213 25 852 65-165 20 <br /> Benzene 197 25 78 8 69-129 20 <br /> Toluene 204 25 81 6 70-130 20 <br /> - -- --- - - --- <br /> Surrogates(s)----- - ---- - - - -- - - ---- - -- -- - - - - -- - - - - - <br /> 1,2-Dichloroethane-d4 424 500 84 8 73-130 <br /> Toluene-d8 447-1-1-500-189 4-1-1-1-81=1-14 <br /> Severn Trent Laboratones Inc 03/01/2005 15 T2 <br /> e er , <br /> STL San Francisco-1220 Quarry Lane Pleasanton CA 94566 <br /> A pat 0 SaysM TWO Pk Tel 925 484 1919 Fax 925 484 1096'www sti-mc corn"CA D H S FLAP#2496 Page 6 of 8 <br />