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16 PAGE 38 <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8020 5030 GCFID <br /> AEN JOB NO 9609379 <br /> INSTRUMENT H <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> 10/04/96 SB-8 WATER 12 103 <br /> 10/04/96 SB-9 WATER 14 103 <br /> ' 10/04/96 F-BLANK 21 103 <br /> 10/04/96 SV-10 WATER 22 108 <br /> 10/04/96 DUP 23 102 <br /> QC Limits 70-130 <br /> DATE ANALYZED 10/01/96 <br /> SAMPLE SPIKED 9610001-06 <br /> INSTRUMENT W <br /> Matrix Spike Recovery Summary <br /> QC Limits <br /> Spike Average <br /> Added Percent Percent <br /> Analyte (ug/L) Recovery RPD Recovery RPD <br /> Benzene 22 0 102 5 85-109 17 <br /> Toluene 74 9 99 5 87-111 16 <br /> Hydrocarbons <br /> as Gasoline 500 86 11 66-117 19 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> at or above the reporting limit <br />