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.. . .... <br /> k=i <br /> �I <br /> M-------- <br /> STL <br /> Submission: 2005-03-0104 <br /> Gas/BTEX/MTBE 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: Conoco Philips Site# 11195 Received: 03/02/2005 16:00 <br /> Site: 16500 S. Harland Rd. Lathrop, CA <br /> Batch QC Report <br /> Prep(s): 5030B Test(s): 8260B <br /> Laboratory Control Spike Water QC Batch#2005103114-2B.68 <br /> LCS 2005103114-28.68-011 Extracted: 03/14/2005 Analyzed: 031141200517:11 <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) 23.4 25 93.6 65-165 20 <br /> Benzene 25.5 25 102,0 69-129 20 <br /> Toluene 26.7 25 106.8 70-130 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 448 500 89.6 73-130 <br /> Toluene-d8 569 500 113.8 81-114 EkE' <br /> k <br /> r <br /> f� <br /> M� <br /> li <br /> 03/1712005 13:14 <br /> Severn Trent Laboratories, Inc. <br /> STL San Francisco'1220 Quarry Lane,Pleasanton,CA 94566 <br /> Page 7 of 9 <br /> A parld Severn Trent Plc Tel 925484 1919 Fax 925 484 1096`www.sti-inc.com'CA DHS ELAN 2496 <br />