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American Environmental Network <br /> PAGE 9 <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8020, 5030 GCFID <br /> AEN JOB NO 9612202 <br /> INSTRUMENT H <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Date Percent Recovery <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> 12/18/96 MW1 01 105 <br /> 12/19/96 MW2 02 93 <br /> 12/19/96 MW3 03 93 <br /> 12/18/96 MW8 04 88 <br /> 12/19/96 MW10 05 98 <br /> 12/19/96 MW12 06 104 <br /> QC Limits 70-130 <br /> DATE ANALYZED 12/19/96 <br /> SAMPLE SPIKED 9612128-02 <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 26 0 95 3 85-109 17 <br /> loluene 83 1 104 3 87-111 16 <br /> Hydrocarbons <br /> as Gasoline 500 112 2 66-117 19 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> at or above the reporting limit <br /> *** END OF REPORT *** <br />