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a <br /> American Envii olimental Netwoi k <br /> PAGE 6 <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8020 5030 GCFID <br /> AEN JOB NO 9511280 <br /> INSTRUMENT F <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date Fluorobenzene <br /> Analyzed Client Id. Lab Id <br /> 11/24/95 CARBON INF 01 9292 <br /> 11/24/95 CARBON EFF 02 <br /> 92-109 <br /> QC Limits <br /> DATE ANALYZED 11/24/95 <br /> SAMPLE SPIKED LCS <br /> INSTRUMENT F <br /> Laboratory Control Sample Recovery <br /> QC Limits <br /> Spike Average percent <br /> Added Percent Recovery RPD <br /> Analyte (ug/L) Recovery RPD y <br /> Benzene 19 2 92 5 60-120 20 <br /> Toluene 56.5 106 8 60-120 20 <br /> Hydrocarbons 120 9 60.120 20 <br /> as Gasoline 500 <br /> • <br /> Daily method blanks for all ascrated analytical runs showed no contamination <br /> at or above the reporting limit <br />