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At?iei icon Eiivii oi?irrewal Netivoi k <br /> PAGE 9 <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8020, 6030 GCFID <br /> AEN JOB NO 9803131 <br /> INSTRUMENT F <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> 03/21/98 MW-1 01 101 <br /> 03/21/98 MW-2 02 91 <br /> 03/21/98 MW-3 03 101 <br /> 03/21/98 MW-8 04 101 <br /> 03/21/98 MW-10 05 99 <br /> 03/21/98 MW-12 06 100 <br /> QC Limits 70-1.30 <br /> DATE ANALYZED 03/21/98 <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 200 102 <1 70-130 20 <br /> Tn1 i-,ene 200 99 <1 70-130 20 <br /> Ethylbenzene 200 101 <1 70-130 20 <br /> Total Xylenes 600 98 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 />