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PAGE 37 <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8020 , 5030 GCFID <br /> AEN JOB NO 9609379 <br /> INSTRUMENT H <br /> MATRIX SOIL <br /> Surrogate Standard Recovery Summary <br /> ' Percent Recovery <br /> Date <br /> Analyzed Client Id Lab Id Fluorobenzene <br /> 10/04/96 SB-4F 05 105 <br /> 10/04/96 SB-11D 09 104 <br /> 10/04/96 SB-2A 18 105 <br /> 10/04/96 SB-7D 28 104 <br /> QC Limits 70-130 <br /> DATE ANALYZED 10/04/96 <br /> SAMPLE SPIKED 9609318-02 <br /> INSTRUMENT H <br /> Matrix Spike Recovery Summary <br /> QC Limits <br /> Spike Average <br /> Added Percent Percent <br /> Analyte (ug/kg) Recovery RPD Recovery RPD <br /> Benzene 22 0 92 1 79-113 26 <br /> Toluene 74 9 94 1 84-110 20 <br /> Hydrocarbons <br /> as Gasoline 500 109 <1 60-126 20 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> at or above the reporting limit <br />