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QUALITY CONTROL DATA <br />METHOD: EPA 8260 <br />AEN JOB NO: 9705366 <br />DATE ANALYZED: .05/31/97 <br />SAMPLE SPIKED: 9705350-06 <br />INSTRUMENT: 12 <br />MATRIX: SOIL <br />American Environmental Network <br />PAGE 86 <br />Matrix Spike Recovery Summary <br />Spike <br />Analyte <br />Added <br />(ug/kg) <br />Percent <br />Recovery <br />RPD <br />1,1-Dichloroethene <br />50 <br />122 <br />2 <br />Benzene <br />50 <br />112 <br /><1 <br />Trichloroethene <br />50 <br />115 <br />1 <br />Toluene <br />50 <br />106 <br />5 <br />Chlorobenzene <br />50 <br />118 <br />4 <br />DATE ANALYZED: 06/04/97 <br />SAMPLE SPIKED: 9705366-14 <br />INSTRUMENT: 12 <br />Matrix Spike Recovery Summary <br />QC Limits <br />Percent <br />Recovery RPD <br />88-129 <br />20 <br />.80-135 <br />20 <br />75-127 <br />20 <br />78-119 <br />20 <br />83-129 <br />20 <br />Daily.method blanks for all associated analytical runs showed no contamination <br />at or above the reporting limit. <br />QC Limits <br />Spike <br />Added <br />Percent <br />Percent <br />Analyte <br />(ug/kg) <br />Recovery <br />RPD <br />Recovery <br />RPD <br />1,1-01chloroethene <br />50 <br />127 <br /><1 <br />88-129 <br />20 <br />Benzene <br />50 <br />106 <br />4 <br />80-135 <br />20 <br />Trichloroethene <br />50 <br />102 <br />6 <br />75-127 <br />20 <br />Toluene <br />50 <br />105 <br />2 <br />78-119 <br />20 <br />Chlorobenzene <br />50 <br />123 <br />5 <br />83-129 <br />20 <br />Daily.method blanks for all associated analytical runs showed no contamination <br />at or above the reporting limit. <br />