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f- twi icarl iiivi, or2rrletital Netwot K <br /> �r PAGE QR-4 <br /> ,r <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8020, 5030 GCFID <br /> AEN JOB NO 9712382 <br /> INSTRUMENT H <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> 01/07/98 MW-1 01 102 <br /> 01/06/98 MW-2 02 104 <br /> 01/06/98 MW-3 03 101 <br /> 01/07/98 MW-5 04 95 <br /> QC Limits 70-130 <br /> DATE ANALYZED 01/06/98 <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 73 6 70-130 20 <br /> Toluene 100 83 9 70-130 20 <br /> Ethylbenzene 100 87 6 70-130 20 <br /> Total Xylenes 300 87 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 />