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AEN ,JOB NO: 9705336 <br />INSTRUMENT: 13 <br />MATRIX: SOIL <br />American Envi3-onmental Network <br />QUALITY CONTROL DATA <br />METHOD: EPA 8260 <br />Surrogate Standard Recovery Summary <br />PAGE 11 <br />DATE ANALYZED: 05/28/97 <br />SAMPLE SPIKED: 9705260-10 <br />INSTRUMENT: 13 <br />Matrix Spike Recovery Summary <br />Percent Recovery <br />Date <br />1,2-Dichloro- <br />p-Bromofluoro- <br />Spike <br />Analyzed Client Id. <br />Lab Id. ethane -d4 <br />Toluene -de <br />benzene <br />05/29/97 DP -13 <br />01 119 <br />105 <br />98 <br />05/29/97 DP -16 <br />02 127 <br />102 <br />94 <br />QC Limits: <br />80-137 <br />84-116 <br />72-116 <br />DATE ANALYZED: 05/28/97 <br />SAMPLE SPIKED: 9705260-10 <br />INSTRUMENT: 13 <br />Matrix Spike Recovery Summary <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-Dichloroethene <br />50 <br />125 <br />1 <br />88-129 <br />20 <br />Benzene <br />50 <br />121 <br />2 <br />80-135 <br />20 <br />Trichloroethene <br />50 <br />108 <br />2 <br />75-127 <br />20 <br />Toluene <br />50 <br />112 <br />2 <br />78-119 <br />20 <br />Chlorobenzene <br />50 <br />114 <br />2 <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 />