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Aniei-iccriz Etvri onnientcd Netm,oi k <br /> PAGE 7 <br /> • <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8020, 5030 GCFID <br /> AEN JOB NO 9709412 <br /> INSTRUMENT F <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> 10/10/97 MW-1 01 95 <br /> 10/10/97 MW-2 02 94 <br /> 10/10/97 MW-3 03 94 <br /> QC Limits 70-130 <br /> DATE ANALYZED 10/10/97 <br /> SAMPLE SPIKED 9709412-03 <br /> INSTRUMENT F <br /> Matrix Spike Recovery Summary <br /> QC Limits <br /> Spike <br /> Added Percent Percent <br /> Analyte (ug/L) Recovery RPD Recovery RPD <br /> Benzene 100 91 6 70-130 20 <br /> Toluene 100 96 5 70-130 20 <br /> Ethylbenzene 100 98 5 70-130 20 <br /> Total Xylenes 300 90 5 70-130 20 <br /> Dally method blanks for all associated analytical runs showed no contamination <br /> at or above the reporting limit <br /> *** END OF REPORT * * <br />