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' Castle Analytical yt Laboratory, Atwater, CA <br /> Lab Report No H3071002 Date 07/18/2003 Page 7 <br /> Project Name DARPETRO #8 Analysis Volatile Organic Compounds by GC/MS Fuel <br /> Project No NA Method 8260FA <br /> Prep Meth SW5030B <br /> Field ID MW-3 Lab Samp ID 5885-3W <br /> Descr/Location MW-3 Rec'd Date 07/10/2003 <br /> Sample Date 07/09/2003 Prep Date 07/14/2003 <br />' Sample Time 1520 Analysis Date 07/14/2003 <br /> Matnx Water OC Batch VWMS-7143 <br /> Basis Not Filtered Notes <br />' Analyte Det Limit Rep Limit Note Result Units Pvc Dil <br /> Methyl-tert-butyl ether(MTBE) 1 445 25 MRL 57 UG/L 5 <br /> Ethyl tert-butyl ether(ETBE) 0 084 05 MRL ND UGIL 1 <br /> tert-Amyl methyl ether(TAME) 0 067 05 MRL ND UG/L 1 <br /> Di-isopropyl ether(DIPS) 0155 05 MRL ND UGIL 1 <br />' tert-Butyl alcohol (TBA) 879 20 MRL ND UG/L 1 <br /> SURROGATE AND INTERNAL STANDARD RECOVERIES <br /> Toluene-d8 76.129 SLSA 106% 1 <br />' 1,2-Dichloroethane-d4 53-141 SLSA 101% 1 <br /> r <br /> r <br /> i <br /> i <br /> • <br /> r <br /> Approved by Date <br /> I <br />