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' COLUMBIA ANALYTICAL SERVICES,INC. <br /> QA/QC Report <br /> Eet EMCON Service Request, S950620 <br /> o,ect ARCO Facility No 2168/EMCON Project No 0805-146 04 Date Analyzed: 5/22/95 <br /> Initial Calibration Verification(ICV) Summary <br /> BTEX and TPH as Gasoline <br /> EPA Methods 5030/8020/California DHS LUFT Method <br />' Units ppm <br /> CAS <br /> Percent <br /> Recovery <br /> True Percent Acceptance <br />�nalyte Value Result Recovery Limits <br /> Benzene 0 050 00533 107 85-115 <br /> rluene 0 050 00509 102 85-115 <br /> lbenzene 0 050 00522 104 85-115 <br /> Xylenes Total 0 15 0 145 97 85-115 <br /> fas oline 10 10 100 90-110 <br /> b <br /> 1 <br /> 1 <br /> Approved By Date <br /> V25AUOW194 / <br /> 0620 XLS sgbbwW 5!26!95 Page No n4 <br />