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QA/QC Report <br /> Q - � <br /> Method Blank Summary <br /> 1 <br /> Entech Analytical Labs, Inc., Santa Clara, CA <br /> Lab Report No.: H2O40915 Date: 04/16/2002 Page: 45 <br /> QC Batch: WMS11506 Analysis: Volatile Organic Compounds by GC/MS <br /> Matrix: Water Method: SW8260B <br /> Lab Samp ID: WMS11506 Prep Meth: SW5030B <br /> Analysis Date: 04/11/2002 Prep Date: 04/11/2002 <br />' Basis: Not Filtered Notes: <br /> Analyte Det Limit Rep Limit Note Result Units Pvc Dil <br /> Bromobenzene 0.2 5. PQL NO UGIL 1 <br /> n-Butylbenzene 0.2 5, PQL NO UGIL 1 <br />' sec-Butylbenzene 0.2 5. PQL NO UGIL 1 <br /> tert-Butyl benzene 0.7 5. PQL ND UGIL 1 <br /> 2-Chlorotoluene 0.1 5. PQL NO UGIL 1 <br />' 4-Chlorotoluene 0.1 5. PQL NO UG/L 1 <br /> cis-1,2-Dichlomethene 0.3 5. PQL NO UGIL 1 <br /> 1,3-Dichloropropane 0.3 5. PQL NO UGIL 1 <br />' 2,2-Dichloropropane 0.2 5. PQL NO UGIL 1 <br /> 1,1-Dichloropropene 0.2 5. PQL NO UGIL 1 <br /> 4-Isopropyltoluene 0.1 5. PQL ND UGIL 1 <br /> Methyl-tert-butyl ether (MTBE) 0.3 5_ PQL ND UGIL 1 <br /> n-Propylbenzene 0.2 5. PQL NO UGIL 1 <br /> 1,2,3-Trichlorobenzene 0.5 5. PQL ND UGIL 1 <br /> 1,2,4-Trimethylbenzene 0.3 5. PQL ND UGIL 1 <br /> 1,3,5-Trirnethylbenzene 0.2 5. PQL ND UGIL 1 <br /> Cyclohexanone 20. 20. PQL ND UG/L 1 <br /> Di-isopropyl ether (DIPS) 0.5 5. PQL ND UGIL 1 <br />' tert-Butyl ethyl ether(ETBE) 0.5 5. PQL ND UGIL 1 <br /> Hexane 5. 20. PQL NO UGIL 1 <br /> tent-Amyl methyl ether(TAME) 0.3 5. PQL ND UGIL 1 <br />' tert-Butyl alcohol (TBA) 11. 20. PQL NO UGIL 1 <br /> Tetrahydrofuran 20. 20. PQL NO UGIL 1 <br /> Xylenes 0.6 S. PQL NO UGIL 1 <br /> SURROGATE AND INTERNAL STANDARD RECOVERIES: <br /> 4-Bromofluorobenzene 65-135 SMEA 86% 1 <br /> Toluene-d8 65-135 SMEA 106% 1 <br /> Dibromofluoromethane 57-139 SMEA 99% 1 <br /> 1 <br />