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Ames icai7 Eli 77 r»7ntewal Nerwoi-k <br /> - PAGE 5 <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8020, 5030 GCFID <br /> AEN JOB NO 9803205 <br /> INSTRUMENT F <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Date Percent Recovery <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> 03/30/98 MW-9 01 87 <br /> 03/30/98 MW-2A 02 90 <br /> QC Limits 70-130 <br /> DATE ANALYZED 03/30/98 <br /> SAMPLE SPIKED LCS <br /> INSTRUMENT F <br /> Laboratory Control Sample Recovery <br /> QC Limits <br /> Spike <br /> Added Percent Percent <br /> Analyte (ug/L) Recovery RPD Recovery RPD <br /> Benzene 200 98 2 70-130 20 <br /> Toluene 200 101 1 70-130 20 <br /> Ethylbenzene 200 105 3 70-130 20 <br /> Total Xylenes 600 107 <1 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 />