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®� STL Submission: 2005-01-0225 <br /> Gas/BTEX/MTBE by 82608 <br /> f1 <br /> SECOR-Sacramento <br /> Attn.: Amy Draffan <br /> x <br /> 3017 Kilgore Road, Suite 100 <br /> Rancho Cordova, CA 95670 <br /> Phone: (916) 861-0400 Fax: (916)861-0430 <br /> Project: Conoco Philips Site# 11195 Received: 01/10/2005 14:08 <br /> Site: 16500 S. Harlan Rd, Lathrop, CA <br /> F <br /> li <br /> Batch QC Report <br /> Prep(s): 5030B Test(s): 8260B <br /> i <br /> Laboratory Control Spike Water QC Batch#2005101113-20.64 <br /> LCs 2005101113-2C.64-050 Extracted: 01/13/2005 Analyzed: 011131200517:50 <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) 27.2 25 108.8 65-165 20 <br /> Benzene 26.4 25 105.6 69-129 20 <br /> =="={ Toluene 25.5 25 102.0 70-130 20 <br /> Surrogates(s) i3 <br /> 1,2-Dichloroethane-d4 470 500 94.0 73-130 <br /> Toluene-d8 493 500 98.6 81-114 I: <br /> K <br /> E. <br /> r <br /> r <br /> F; <br /> fJ <br /> :1 <br /> 4J <br /> i3 <br /> �i <br /> U <br /> Severn Trent Laboratories, Inc. 01/2412005 14:58 <br /> Gi <br /> STL San Francisco1220 Quarry Lane,Pleasanton,CA 94566 i• <br /> A part of 5—m Trent Plc Tel 925 484 1919 Fax 925 484 1096`www.stl-inc.com'CA DHS ELAP#2496 Page 6 of 10 <br /> i� <br />