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Ame. .can Environmental Network <br /> PAGE 11 <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8020 5030 GCFID <br /> AEN JOB NO 9704277 <br /> INSTRUMENT F <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Date Percent Recovery <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> 05/02/97 MW-1 01 83 <br /> 05/05/97 MW-2 02 90 <br /> 05/05/97 MW-3 03 88 <br /> 05/02/97 MW-4 04 87 <br /> 05/05/97 MW-5 05 87 <br /> 05/02/97 MW-6 06 87 <br /> 05/02/97 MW-7 07 88 <br /> 05/02/97 DW 08 $8 <br /> QC Limits 70-130 <br /> DATE ANALYZED 05/02/97 <br /> SAMPLE SPIKED 9705038-03 <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 18 5 88 5 85-109 20 <br /> Toluene 64 4 102 3 87-111 20 <br /> Hydrocarbon <br /> as Gasoline 500 102 4 66-117 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 />