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i <br />' Americair Etvri otlniental Nenvof k <br />' PAGE 12 <br /> • QUALITY CONTROL DATA <br />' METHOD EPA 8020 5030 GCFID <br />' AEN JOB NO 9712265 <br /> INSTRUMENT F <br /> MATRIX WATER <br />' Surrogate Standard Recovery Summary <br />' Date Percent Recovery <br /> Analyzed Client Id Lab Id Fluorobenzene <br />' 12/22/97 MW-9 01 96 <br /> 12/22/97 MW-5 02 97 <br />' 12/22/97 MW-4 03 97 <br /> 12/22/97 MW-6 04 97 <br /> 12/22/97 MW-3A 05 97 <br />' 12/22/97 MW-7 06 97 <br /> 12/22/97 MW-8 07 96 <br /> 12/23/97 MW-2A 08 98 <br /> 10 12/23/97 MW-2 09 93 <br /> QC Limits 70-130 <br /> DATE ANALYZED 12/22/97 <br /> SAMPLE SPIKED 9712265-05 <br /> INSTRUMENT F <br />' Matrix Spike Recovery Summary <br />' Spike QC Limits <br /> Added Percent Percent <br />' Analyte (ug/L) Recovery RPD Recovery RPD <br /> Benzene 100 86 <1 70-130 20 <br />' Toluene 100 97 1 70-130 20 <br /> Ethylbenzene 100 101 1 70-130 20 <br /> Total Xylenes 300 106 2 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 /> o <br />