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QA/QC Report <br /> Method Blank Summary <br /> Castle Analytical Laboratory, Atwater, CA <br />' Lab Report No.: H4110401 Date: 11/15/2004 Page:27 <br /> QC Batch: VWMS-N094 Analysis: Volatile Organic Compounds by GC/MS Fuel <br />' Matrix: Water Method: 8260FA <br /> Lab Samp ID: VWMS-N094 Prep Meth: SW5030B <br /> Analysis Date: 11/09/2004 Prep Date: 11/09/2004 <br />' Basis: Not Filtered Notes: <br /> Analyte Det Limit Rep Limit Note Result Units Pic Dil <br />' Methyl-tert-butyl ether(MTBE) 0.289 0.5 MRL - ND UG/L 1 <br /> Ethyl tert-butyl ether(ETBE) 0.084 0.5 MRL ND UG/L 1 <br /> tert-Amyl methyl ether(TAME) 0.067 0.5 MRL ND UG/L 1 <br />' Di-Isopropyl ether(DIPS) 0.155 0.5 MRL ND UG/L 1 <br /> tert-Butyl alcohol (TBA) 8.79 20. MRL ND UG/L 1 <br /> 1,2-Dichloroethane 0.081 0.5 MRL ND UG/L 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 89.9% 1 <br />' 1,2-Dichloroethane-d4 59-135 SLSA 86.8% 1 <br /> 1 <br />