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JUL. 24. 1997 4: 47PM PACIFIC OVERSIGHT N0. 206 P. 12113 <br /> Aman Environmental Network <br /> PAGE 10 <br /> QUALITY CONTROL DATA <br /> METHOD: EPA 8240 <br /> AEN JOB NO: 95061.37 <br /> INSTRUMENT: 13 <br /> MATRIX: SOIL <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date 1.2-Dichloro- p-Bromofluoro- <br /> Analyzed Client Id. Lab Id_ ethane-d. Toluene-d, benzene <br /> 06/15/95 PW-1/36-38' 02 91 96 107 <br /> QC Limits: 46-138 81-124 70-111 <br /> DATE ANALYZED: 06/13/95 <br /> SAMPLE SPIKED: 9506143-01 <br /> INSTRUMENT: 13 <br /> Matrix Spike Recovery Summary <br /> Spike Average QC Limits <br /> Added Percent Percent <br /> Analyte (ug/kg) Recovery RPD Recovery RPO <br /> 1.1-Dichloroethene 50 77 7 76-161 15 <br /> Trichloroethene 50 105 2 71-130 11 <br /> Benzene 50 99 4 90-128 11 <br /> Toluene 50 97 5 64-129 13 <br /> Chlorobenzene SO 102 3 89-115 13 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> over the reporting limit_ <br /> *** END OF REPORT *** <br />