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Aiiiericai? Eiiviroiii?7ewcr1 Nen,voi-k <br /> PAGE QR-5 <br /> QUALITY CONTROL DATA <br /> METHOD: EPA 8020, 5030 GCFID <br /> AEN JOB NO: 9712299 <br /> INSTRUMENT: F. H <br /> MATRIX: WATER <br /> Surrogate Standard Recovery Summary <br /> Date Percent Recovery <br /> Analyzed Client Id. Lab Id. Fluorobenzene <br /> 12/30/97 MW-8 01 95 <br /> 12/29/97 MW-9 02 97 <br /> 12/29/97 MW-10 03 96 <br /> 12/29/97 MW-11 04 97 <br /> 12/30/97 MW-12 05 94 <br /> 12/30/97 MW-13 06 95 <br /> 12/29/97 PUMP 07 97 <br /> QC Limits : 70-130 <br /> 0 130 <br /> DATE ANALYZED: 12/29/97 <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 83 4 70-130 20 <br /> Toluene 100 93 3 70-130 20 <br /> Ethylbenzene 100 97 1 70-130 20 <br /> Total Xylenes 300 97 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 /> I <br />