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STLSubmission 2004-08.0675 <br /> Gas/BTEX Fuel Oxygenates by 8260B <br /> SECOR-Sacramento <br /> Attn Clint Harms <br /> 3017 Kilgore Road, Suite 100 <br /> Rancho Cordova, CA 95670 <br /> Phone (916)861-0400 Fax (916) 861-0430 <br /> Project 77CP 60193 01 0001 /77BP 50193 02 0427 Received 08/25/2004 15 00 <br /> - - — - - -- - Conoco Philips Site#11193 <br /> Site 3202 West Hammer Lane, Stockton, CA <br /> Batch QC Report <br /> Prep(s) 5030B _ Test(s) 8260FAB <br /> Laboratory Control Spike Water QC Batch#2004/09/07-2C 64 <br /> LCS 2004109107-2C 64-032 Extracted 09/07/2004 Analyzed 09/07/2004 18 32 <br /> LCSD 2004109107-2C 64-054 Extracted 09/07/2004 Analyzed 09/07/2004 18 54 <br /> Compound Cone ug/L Exp Cone Recovery% RPD Ctrl Limits% Flags <br /> LCS LCSD LCS LCSD % Rec RPD LCS LCSD <br /> Methyl tert-butyl ether(MTBE) 202 185 25 808 740 88 65-165 20 <br /> Benzene 204 190 25 816 760 71 69-129 20 <br /> Toluene 232 21 8 25 928 872 62 70-130 20 <br /> - <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 528 519 500 1056 1038 72-128 <br /> Toluene=d8 537 625 500 074 105 0 80-113 <br /> Severn Trent Laboratories, Inc <br /> 09/09/2004 104 <br /> STL San Francisco' 1220 Quarry Lane, Pleasanton,CA 94566 <br /> A part d$wsm To.m Plc Tel 925 484 1919 Fax 925 484 1096-www stl-inc com-CA DHS ELAP#2496 Page 21 of 23 <br />