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v <br /> QA/QC Report <br /> Method Blank Summary <br /> Castle Analytical Laboratory,Atwater, CA <br /> Lab Report No.: H3042404 Date: 04/30/2003 Page: 18 <br /> QC Batch: VWM8 4253 Analysis: Volatile Organic Compounds by GC/MS Fuel <br /> Matrix: Water Method: 8260FA <br /> Lab Samp ID: VWMS-4253 Prep Meth: SW5030B <br /> Analysis Date: 04/25/2003 Prep Date: 04/25/2003 <br /> Basis: Not Filtered Notes: <br /> Analyte Det Limit Rep Limit Note Result Units Pvc DiI <br /> Methyl-tent-butyl ether(MTBE) 0.289 0.5 MRL ND UG/L 1 <br /> Ethyl tent-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-dS 63.132 SLSA 98.1% 1 <br /> L1,2-DIchloroMhane-d4 59.135 SLSA 115.6% 1 <br /> L <br /> L <br /> L <br /> L <br />