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Anne, ,cin E i 17 oiznienral Nent of k <br /> PAGE 9 <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8020, 5030 GCFID <br /> AEN JOB NO 9709284 <br /> INSTRUMENT F, H <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> 09/30/97 MW-1 01 103 <br /> 1.0/02/97 MW-2 02 96 <br /> 10/02/97 MW-3 03 96 <br /> 10/01/97 MW-4 04 105 <br /> 10/01/97 MW-5 05 108 <br /> 10/01/97 MW-6 06 103 <br /> QC Limits 70-130 <br /> DATE ANALYZED 09/30/97 <br /> SAMPLE SPIKED LCS <br /> INSTRUMENT H <br /> Laboratory Control Sample Recovery <br /> QC Limits <br /> Spike <br /> Added Percent Percent <br /> Analyte (ug/L) Recovery RPD Recovery RPD <br /> Benzene 100 95 12 70-130 20 <br /> Toluene 100 97 17 70-130 20 <br /> Ethylbenzene 100 101 9 70-130 20 <br /> Total Xylenes 300 105 9 70-130 20 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> at or above the reporting limit <br /> *** END OF REPORT *** <br />