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Amej-jcan Envjj onmental Netwoj-k <br /> PAGE 6 <br /> I QUALITY CONTROL DATA <br /> METHOD EPA 8020, 5030 GCFID <br /> AEN JOB NO 9709031 <br /> INSTRUMENT H <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Date Percent Recovery <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> 09/12/97 MW-9 01 104 <br /> 09/12/97 MW-10 02 105 <br /> I09/12/97 MW-10B 03 104 <br /> QC Limits 70-130 <br /> DATE ANALYZED 09/12/97 <br /> SAMPLE SPIKED LCS <br /> INSTRUMENT H <br /> Laboratory Control Sample Recovery <br /> Spike QC Limits <br /> Added Percent Percent <br />' Analyte (ug/L) Recovery RPD Recovery RPD <br /> Benzene 100 89 8 70-130 20 <br /> Toluene 100 93 7 70-130 20 <br /> Ethylbenzene 100 90 10 70-130 20 <br /> ITotal Xylenes 300 94 10 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 />