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JU1. 24. 1997 4:47PM PACIFIC OUHSIGHT N0. 206 P. I1/I3 <br /> AniWn Environmental Network <br /> PAGE 9 <br /> QUALITY CONTROL DATA <br /> METHOD: EPA 8240 <br /> AEN JOB N0: 9506137 <br /> INSTRUMENT: 13 <br /> MATRIX: WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Data 1.2-Dichloro- p-Bromofluoro- <br /> Analyzed Client Id. Lab Id. ethane-d4 Toluene-de benzene <br /> 06/15/95 PW-1 01 95 94 106 <br /> QC Limits: 90-133 88-111 90-117 <br /> DATE ANALYZED: 06/13/95 <br /> SAMPLE SPIKED: 9506067-01 <br /> INSTRUMENT: 13 <br /> Matrix Spike Recovery Summary <br /> QC Limits <br /> Spike Average <br /> Added Percent Percent <br /> Analyte (ug/L) Recovery RPD Recovery RPD <br /> 1.1-01chloroethene 50 83 11 BO-133 15 <br /> Trichloroethene 50 106 6 81-118 13 <br /> Benzene 50 102 2 94-127 12 <br /> Toluene 50 98 3 88-114 15 <br /> Chlorobenzene 50 100 6 90-116 12 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> over the reporting limit. <br />