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'j L IL <br /> Submission 2005-11-0186 <br /> Gas/BTEX Fuel Oxygenates by 8260B (C6-C12) <br /> Cambria Environmental Emeryville <br /> Attn Cynthia Vasko <br /> I <br /> 5900 Hollis Street, Ste A <br /> Emeryville, CA 94608 <br /> Phone -(510) 420_3344 Fax-(5-10)-420L-!)-1'K0 <br /> Protect 247-0783-003 Received 11!14/20051515 <br /> 98996184 <br /> Site 2575 Country Club Boulevard, Stockton <br /> i <br /> Batch QC Report <br /> Prep(s) 50308 Test(s) 8260E <br /> Laboratory Control Spike Water QC Batch#2005/11114-2A 62 <br /> LCS 2005/11/14-2A 62-012 Extracted 11/14/2005 Analyzed 11/14/2005 18 12 <br /> LCSD 2005/11/14-2A 62-005 Extracted: 11/14/2005 Analyzed 11/14/2005 19 05 <br /> Compound Conc ug/L. Exp Conc Recovery% JRPD Ctrl Limits% Flags <br /> LCS LCSD LCS I LCSD % Rec RPD LCS LCSD <br /> Methyl tert-butyl ether(MTBE) 245 214 25 980 856 135 65-165 20 <br /> Benzene 233 250 25 932 1000 7 0 69-129 20 <br /> Toluene 265 256 25 1060 1024 3 5 70-130 20 <br /> Surrogates(s) <br /> 1,2-Dichloroethane-d4 434 420 500 86 8 84 0 73-130 <br /> Toluene-d8 512 497 500 1024 199 4 81-114 <br /> • <br /> Severn Trent Laboratories, Inc 11/2212005 10 28 <br /> STL San Francisco' 1220 Quarry Lane Pleasanton, CA 94566 <br /> A par!al Sevem Trent Plc Tel 925 484 1919 Fax 925 484 1096*www stlanc com'CA DMS ELAN 2496 Page 10 of 16 <br />