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From:STL ChromaLab To:Dai Watkins Date:12/21/01 Tlme:6:00:50 PM Fax Page 38 of 43 <br /> Submission#: 2001-12-0252 <br /> ! Gas/BTEX by 8015M18021 <br /> Batch QC report <br /> STL Chromalab <br /> Test Method: 801 SIM Prep Method: 5030 1220 Quarry Lane <br /> 80210 Pleasanton,CA 94666 <br /> Tel 925 464 1919 <br /> Method Blank Water QC Batch#2001112120-01.05 Fax 926 464 t <br /> www.stl-Inc.com <br /> www.chromaiab.com <br /> MB:2001112120-01.05-003 Date Extracted. 12/20/2001 08:5E <br /> CA DHS ELAPt11094 <br /> .1 Compound Result Rep.Limit Unit Analyzed Flag <br /> Gasoline ND 50 uglL 12!201200108:56 <br /> Benzene ND 0.5 ug1L 121201200108:56 <br /> Toluene ND 0,5 uglL 121201200108:56 <br /> ;._.� Ethyl benzene ND 0.5 uglL 12/20/2001 08:56 <br /> Xylene(s) ND 0.5 uglL 12/20/200108:56 <br /> Surrogates) <br /> Trifluorotoluene 87.0 58-124 % 121201200108:56 <br /> { 4-Bronnofluorobenzene-FID 88.5 50-150 % 121201200108:56 <br /> i <br /> f <br /> j-1 <br /> � i <br /> ' I <br /> STL Chromalab Is a part of Severn Trani Laboralorles,Inc. Page 10 of 15 <br /> i <br /> IL <br />