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r� <br /> STLSubmission 2004-10-0395 <br /> r <br /> i Gas/BTEX Compounds by 8015M18021 <br /> Philip Services- Illinois <br /> Attn Mark Milward <br />! 210 W Sand Bank Road <br /> Colombia, IL 62236 <br />' Phone (618) 281-1547 Fax (618) 281-5120 <br /> Protect C23484517B00 Received 10/12/2004 18 45 <br /> Sara Lee-Airport Way <br /> r <br /> Batch QC Report <br /> Prep(s) 5030 Test(s) 8021 B <br /> Laboratory Control Spike Water QC Batch #2004110118-01 05 <br /> r LCS 2004110118-01 05-004 Extracted 10/18/2004 Analyzed 10/18/2004 08 04 <br /> LCSD 2004110118-01 05-005 Extracted 10118/2004 Analyzed 10118/2004108 37 <br /> ' Compound Cone ug/L Exp Cone Recovery % RPD Ctrl Limits % Flags <br /> LCS LCSD LCS LCSD % Rec RPD LCS LCSD <br /> Benzene 48 0 49 0 500 960 980 21 77-123 20 <br /> Toluene 481 477 500 962 95 4 08 78-122 20 <br /> Ethyl benzene 472 449 500 94 4 898 5 0 70-130 20 <br /> Xylene(s) 142 135 150 94 7 900 51 75-125 20 <br /> ' Surrogates(s) <br /> Trifluorotoluene 566 583 500 1132 1166 58-124 <br /> r <br /> r <br /> r <br /> r <br /> r <br /> r <br /> Severn Trent Laboratories, Inc <br /> 10/21/2004 12 55 <br /> STL•San Francisco' 1220 Quant'Lane, Pleasanton,CA 94566 <br /> 4 Apane,Sev Trent Me Tel 925 484 1919 Fax 925 484 1096'www stl-inc com"CA DHS ELAP#2496 Page 20 of 26 <br />