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Anici rc uit bivo oinnc nhil Net►i car k <br /> I! , PAGE 30 <br /> QUALITY CONTROL DATA <br /> METHOD EPA 8240 <br /> AEN JOB NO 9506429 <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-dg benzene <br /> j � 07/10/95 GP5/6-27-95 01 113 101 112 <br /> 07/10/95 GP12/6-28-95 02 112 97 105 <br /> QC Limits 76-114 88-110 86-115 <br /> DATE ANALYZED 06/28/95 <br /> SAMPLE SPIKED 9506240-23 <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-Dichloroethene 50 98 1 59-133 25 <br /> Trichloroethene 50 99 1 71-157 25 <br /> Benzene 50 102 <1 37-151 25 <br /> Toluene 50 96 3 47-150 25 <br /> 1 Chlorobenzene 50 101 <1 37-160 25 <br /> all associated anal <br /> Daily method blanks for a tical runs showed no contamination y <br /> over the reporting limit <br />