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JUL, 24. 1997 4: 46PM PACIFIC OVERSIGHT N0. 2496 P. 10/13 <br /> • Aman Environmental Network <br /> PAGE 8 <br /> QUALITY CONTROL DATA <br /> METHOD: EPA 8020, 5030 GCFID <br /> AEN JOB NO: 9506137 <br /> INSTRUMENT: E <br /> MATRIX: SOIL <br /> Surrogate Standard Recovery Summary <br /> Date Percent Recovery <br /> Analyzed Client Id. Lab Id. Fluoroben7ene <br /> 06/12/95 PW-1/36-38' 02 102 <br /> QC Limits: 92-110 <br /> DATE ANALYZED: 06/12/95 <br /> SAMPLE SPIKED: 9506102-12 <br /> INSTRUMENT: E <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 36.8 90 14 79-113 26 <br /> Toluene 101-2 91 15 84-110 20 <br /> Hydrocarbons <br /> as Gasoline 1000 70 18 60-126 20 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> over the reporting limit. <br />