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QA/QC Report <br /> Method Blank Summary <br /> 1 <br /> . Castle Analytical Laboratory, Atwater, CA <br />' Lab Report No H2O72505 Date 08/05/2002 Page 30 <br /> QC Batch VWMS-7262 Analysis Volatile Organic Compounds by GC/MS Fuel <br />' Matrix Water Method 8260FA <br /> Lab Samp ID VWMS-7262 Prep Meth SW5030B <br />' Analysis Date 07/26/2002 Prep Date 07/26/2002 <br /> Basis Not Filtered Notes <br /> Analyte Det Limit Rep Limit Note Result Units Pvc Oil <br />' Methyl-tent-butyl ether(MTBE) 0 289 05 MRL NO UG/L 1 <br /> Ethyl ter#-butyl ether(ETBE) 0 084 05 MRL NO UG/L 1 <br /> tert-Amyl methyl ether(TAME) 0 067 05 MRL ND UG/L 1 <br />' Di-isopropyl ether(DIPS) 0155 05 MRL ND UG/L 1 <br /> tert-Butyl alcohol (TBA) 879 20 MRL NO UG/L 1 <br /> 1,2-Dichloroethane 0 081 05 MRL NO UG/L 1 <br />' 1,2-Dibmmoethane 0 092 05 MRL NO UG/L 1 <br /> SURROGATE AND INTERNAL STANDARD RECOVERIES <br /> Toluene-d8 70-130 SLSA 1084% 1 <br />' 1,2-Dichloroethane-d4 70-130 SLSA 994% 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br />