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16 STL Submission 2004-08-0802 <br />* Gas/BTEX by 8015M18021 <br /> s Philip Services- Illinois <br /> Attn Mark Mllward <br /> 210 W Sand Bank Road <br /> Colombia, It_62236 <br /> Phone (618)281-1547 Fax (618) 281-5120 <br /> Project C234844517-AOO Received 08/31/2004 14 45 <br /> Sara Lee <br /> i <br /> Batch QC Report <br /> tPrep(s) 5030 Test(s) 8021 B <br /> Laboratory Control Spike Water QC Batch # 2004109101-01 05 <br /> LCS 2004109101-01 05-002 Extracted 09/01/2004 Analyzed 09/01/20040557 <br /> LCSD 2004109101-01 05-003 Extracted 09/01/2004 Analyzed 09/01/2004 06 30 <br /> Compound Conc ug/L Exp Conc Recovery% RPD Ctrl Limits% Flags <br /> LCS LCSD LCS LCSD % Rec I RPD LCS LCSD <br /> Benzene 496 493 500 99 2 986 0 6 77-123 20 <br /> Toluene 493 488 500 986 97 6 1 0 78-122 20 <br /> Ethyl benzene 466 464 50 0 932 928 0 4 70-130 20 <br /> Xylene(s) 143 143 150 953 953 00 75-125 20 <br /> Surrogates(s) <br /> Tnfluorotoluene 591 585 500 11182 1170 58-124 <br /> j <br /> i <br /> 1 <br /> Severn Trent Laboratories, Inc 09/08/2004 1043 <br /> STL San Francisco"1220 Quarry Lane Pleasanton CA 94566 Page 7 0!8 <br /> A part of S"v"7-1 p. Tel 925 484 1919 Fax 925 484 1 096"www stl inc corn`CA DaHS ELAP#2496 9 <br /> I <br />