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1 <br /> QA/QC Report <br /> Meted Blank Summary <br /> Castle Analytical Laboratory,Atwater, CA <br /> LLab Report No.: H4112906 Date: 12/06/2004 Page: 16 <br /> QC Batch: VVVMS-N304 Analysis: Volatile Organic Compounds by GC/MS Fuel <br /> Matrix: Water Method: 8260FA <br /> Lab Samp ID: VWMS-N304 Prep Meth: SW5030B <br /> Analysis Date: 11/30/2004 Prep Date: 11/30/2004 <br /> Basis: Not Filtered Notes: <br /> Analyte Det Limit Rep Limit Note Result Units Pvc Dil <br /> LMethyl-tert-butyl ether(MTBE) 0.289 0.5 MRL ND UG/L 1 <br /> Ethyl tert-butyl ether(ETRE) 0.084 0.5 MRL ND UGIL 1 <br /> tent-Amyl methyl ether(TAKE) 0.067 0.5 MRL ND UGIL 1 <br /> LDi-isopropyl ether(RIPE) 0.155 0.5 MRL ND UGIL 1 <br /> tert-Butyl alcohol (TBA) 8.79 20. MRL ND UG/L 1 <br /> 1,2-Dichloroethane 0.081 0.5 MRL ND UGIL 1 <br /> 1,2-Dibromoethane 0.092 0.5 MRL ND UG/L 1 <br /> SURROGATE AND INTERNAL STANDARD RECOVERIES: <br /> Toluene-d8 63-132 SLSA 99.7% 1 <br /> 1,2-Dichloroethane-d4 59-135 SLSA 109.5% 1 <br /> L <br /> L <br /> L <br /> C.r _ <br /> L <br /> L <br /> L <br />