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L %'Castle Analytical Laboratory,Atwater, CXW, <br /> Lab Report No.: H3042404 Date: 04/30/2003 <br /> Page: 4 <br /> Project Name: UPRR SERVICE YARD Analysis: Volatile Organic Compounds by GC/MS Fuel <br /> LProject No: NA Method: 8260FA <br /> Prep Meth: SW5030B <br /> LField ID: SBA Lab Samp ID: 5672-1 W <br /> Descr/Location: SBA Recd Date: 04/24/2003 <br /> Sample Date: 04/22/2003 Prep Date: 04/25/2003 <br /> Sample Time: 1220 Analysis Date: 04/25/2003 <br /> Matrix: Water OC Batch: VWMS-4253 <br /> Basis: Not Filtered Notes: <br /> LAnalyte Det Limit Rep Limit Note Result Units Pvc Dil <br /> Methyl-tert-butyl ether(MTBE) 0.289 0.5 MRL ND UG/L 1 <br /> LEthyl tent-butyl ether(ETRE) 0.084 0.5 MRL ND UG/L 1 <br /> tertAmyl methyl ether(TAME) 0.087 0.5 MRL ND UG/L 1 <br /> Di-isopropyl ether(RIPE) 0.155 0.5 MRL ND UG/L 1 <br /> L <br /> tert-Bft alcohol A 8.79 20. MRL ND UG/L 1 <br /> SURROGATE AND INTERNAL STANDARD RECOVERIES: <br /> Toluene-d8 78-129 SLSA 116% 1 <br /> 1,2-Dichloroethane-d4 53.141 SLSA 131% 1 <br /> L <br /> L <br /> L <br /> L <br /> L <br /> L <br /> L <br /> L <br /> L <br /> Approved by:__., „,._ Date: <br /> L <br />