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Y <br /> Artacrir_-ctrt. Eii viroiii7ieiitcrl Neti•vork <br /> i <br /> PAGE QR-4 <br /> Lam:. <br /> QUALITY CONTROL DATA <br /> METHOD: EPA 8020, 5030 GCFID <br /> AEN JOB NO: 9709248 <br /> INSTRUMENT: H <br /> MATRIX: WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date <br /> Analyzed Client Id. Lab Id. Fluorobenzene <br /> 09/22/97 MW-1 01 99 <br /> 09/22/97 MW-2 02 105 <br /> 09/22/97 MW-4 03 105 <br /> 09/22/97 MW-5 04 105 <br /> 09/22/97 TRIP 05 105 <br /> QC Limits : 70-130 <br /> DATE ANALYZED: 09/22/97 <br /> SAMPLE SPIKED: 9709248-01 <br /> INSTRUMENT: H <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 85 9 70-130 20 <br /> Toluene 100 86 10 70-130 20 <br /> Ethylbenzene 100 87 9 70-130 20 <br /> Total Xylenes 300 91 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 />