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Entech <br />Analytical <br />3334 Victor Court,• 1 • 1: ', 588-0200 18) 588-0201 <br />Method Blank - Liquid - VOCs: EPA 5030B / EPA 82608 <br />QC Batch ID: WM2D070927D <br />QC Batch Analysis Date: 9/27/2007 <br />Parameter <br />Benzene <br />Ethyl Benzene <br />Toluene <br />Xylenes, Total <br />Surrogate for Blank <br />4-Bromofluorobenzene <br />Dibromofluoromethane <br />Toluene -d8 <br />% Recovery <br />Control Limits <br />104 <br />60 130 <br />92.9 <br />60 - 130 <br />99.5 <br />60 - 130 <br />Validated by: MaiChiTu - 09/28/07 <br />Result <br />DF <br />PQLR <br />Units <br />ND <br />1 <br />0.50 <br />Ng/L <br />ND <br />1 <br />0.50 <br />Ng/L <br />ND <br />1 <br />0.50 <br />pg/L <br />ND <br />1 <br />0.50 <br />Ng/L <br />Method Blank - Liquid - TPH-Purgeable - GUMS: EPA 50308 / GC/MS <br />QC Batch ID: WM2D070927D <br />QC Batch Analysis Date: 9/27/2007 <br />Parameter <br />Result DF PQLR <br />TPH as Gasoline <br />ND 1 25 <br />Surrogate for Blank <br />% Recovery <br />Control Limits <br />4-Bromofluorobenzene <br />100 <br />60 130 <br />Dibromofluoromethane <br />103 <br />60 - 130 <br />Toluene -d8 <br />97.0 <br />60 130 <br />Validated by: MaiChiTu - 09/28/07 <br />Units <br />Ng/L <br />