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Anieric cm Eng irwintewal Newt of k <br /> PAGE 20 <br /> QUALITY CONTROL DATA <br /> ' METHOD EPA 8240 <br /> ' AEN JOB NO 9505190 <br /> INSTRUMENT 12 <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-dB benzene <br /> 05/20/95 1 01 101 101 108 <br /> 05/19/95 2 02 99 100 99 <br /> 05/20/95 3 03 96 102 100 <br /> 05/19/95 7 07 105 98 1102 <br /> r 05/20/95 11 11 99 103 , 100 <br /> QC Limits 90-133 88-111 90-117 <br /> DATE ANALYZED 05/19/95 <br /> SAMPLE SPIKED 9505190-02 <br /> INSTRUMENT 12 <br /> ' Matrix Spike Recovery Summary <br /> ' QC Lamtts <br /> Spike Sample MS MSD Average <br /> Conc Result Result Result Percent Percent <br /> Analyte (ug/L) (ug/L) (ug/L) (ug/L) Recovery RPD Recovery RPD <br /> ' 1,1-Dichloroethene SO 0 ND 60 2 64.5 125 7 80-133 15 <br /> Trichloroethene 50 0 ND 53 0 49.0 102 8 81-118 13 <br /> Benzene 50 0 ND 50 6 52 1 103 3 94-127 12 <br /> Toluene 50 0 ND 49 9 53 5 103 7 88-114 15 <br /> Chiorobenzene 50 0 ND 46 9 50 5 97 7 90-116 12 <br /> i <br /> i <br />