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' American Environmental Network <br /> PAGE 7 <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8020 , 5030 GCFID <br /> AEN JOB NO 9603389 <br /> INSTRUMENT H <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> I <br /> 04/04/96 MW-9 01 103 <br /> 04/03/96 MW-10 02 105 <br /> 04/03/96 BAKER TANK 03 106 <br /> 04/03/96 MW-10BB 04 98 <br /> QC Limits 70-130 <br /> IDATE ANALYZED 04/03/96 <br /> SAMPLE SPIKED 9603389-04 <br /> I <br /> INSTRUMENT H <br /> - Matrix Spike Recovery Summary <br /> I <br /> QC Limits <br /> Spike Average <br /> Added Percent Percent <br /> Analyte (ug/L) Recovery RPD Recovery RPD <br /> Benzene 22 2 91 1 85-109 17 <br /> Toluene 73 9 90 1 87-111 16 <br /> HCs as Gasoline 500 105 <1 66-117 19 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> at or above the reporting limit <br /> I <br />