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't �® STL <br /> Submission 2005-02-0176 <br /> • Gas/BTEX by 8015M/8021 <br /> Philip Services- Illinois <br /> Attn Paul Anderson <br /> 210 W Sand Bank Road <br /> Columbia, IL 62236 <br /> Phone (618) 281-1547 Fax (618) 281-5120 <br /> Project C23484517 Received 02/07/2005 16 30 <br /> Sara Lee-Airport Way <br /> Batch QC Report <br /> Prep(s) 5030 Test(s) 8021 B <br /> Laboratory Control Spike Water QC Batch#2005102111-1A 05 <br /> LCS 2005/02/11-1A 05-003 Extracted 02/11/2005 Analyzed 02/1112005 08 56 <br /> LCSD <br /> Compound Conc ug/L Exp Conc Recovery% IRPD Ctrl Limits% Flags <br /> LCS LCSD LCS I LCSD I % Rec IRPD LCS LCSD <br /> Benzene 528 50 1056 77-123 20 <br /> Toluene 534 50 1068 7$-122 20 <br /> Ethyl benzene 531 50 1062 70-130 20 <br /> Xylene(s) 157 150 1047 75-125 20 <br /> Surrogates(s) <br /> TriFluorotoluene 490 500 1980 58-124 <br /> Severn Trent Laboratories, Inc 02115/2005 15 54 <br /> STL San Francisco'1220 Quarry Lane Pleasanton CA 94566 <br /> A pan-1 Sa Trw Pk Tei 925 484 1 919 Fax 925 484 1096*www stl-inc corn*CA DHS ELAP*2496 Page 20 of 32 <br />