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Amet scan Envit onmental Network <br /> • PAGE 12 <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8260 <br /> AEN JOB NO 9706175 <br /> INSTRUMENT 13 <br /> MATRIX WATER <br /> Surrogate Standard Recovery Summary <br /> Percent Recovery <br /> Date 1 ,2-Dichloro- p-Bromofluoro- <br /> Analyzed Client Id Lab Id ethane-d4 Toluene-d8 benzene <br /> 06/23/97 MW-8 04 96 93 103 <br /> 06/23/97 MW-12 06 110 91 98 <br /> QC Limits 75-129 81-111 78-131 <br /> DATE ANALYZED 06/20/97 <br /> SAMPLE SPIKED 9706202-02 <br /> INSTRUMENT 13 <br /> Matrix Spike Recovery Summary <br /> QC Limits <br /> Spike <br /> Added Percent Percent <br /> Analyte (ug/L) Recovery RPD Recovery RPD <br /> 1 1-Dichloroethene 50 110 <1 77-137 25 <br /> Benzene 50 120 8 89-142 25 <br /> Tr,rhl ornnithone 50 l nn 7 Q3 1''1 '» <br /> I 1V111 1 VV 411L.1i4 1U`t / V03-121 L+J <br /> Toluene 50 110 8 81-121 25 <br /> Chlorobenzene 50 117 10 88-124 25 <br /> Daily method blanks for all associated analytical runs showed no contamination <br /> at or above the reporting limit <br /> *** END OF REPORT *** <br />