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��\� <br /> RmportNumbe : 17674 <br /> QC Report Matrix Spike/ Matrix Spike Duplicate Date 9M8/00 <br /> Project Name C & B Equipment � <br /> Project Number'. <br /> i <br /> Duplicate Spiked Duplicate Spiked Spiked Sample Relative Spike Spiked Spiked Sample i <br /> Sample Relative Percent PercentSpiked Sample Spike Dup. Sample Sample Analysis Date Percent Percent Percent Recov. Diff. <br /> ' <br /> Parameter Sample Value Level Level Value Value Units Method Analyzed Recov. Recov. Diff. Limit Limit <br /> ' <br /> Spike Recovery Data � <br /> Benzene 17674-07 <050 24.0 242 25.9 23.2 ug/L EPA 82608 9M1/00 105 85i6 0.75 70-130 26 <br /> Toluene 17674-07 <0.50 24.8 24.2 25.8 23.0 ug/L EPA 8260B 8111/00 104 84.8 8.42 70-130 25 <br /> Ted-Bubono| 17674-07 <5.0 24.6 24.2 37.8 29.1 ug/L EPA 8260B 9/11/00 154 120 24.9 70-180 25 <br /> Methyl-t-Butyl Ether 17874-07 <0.50 24.8 24.3 27.5 36.4 ug/L EPA 8260B 9/1100 112 109 2.82 70-130 25 <br /> � <br /> ! <br /> ' 0 <br /> Approved By: KUf � <br /> 0FFANALYT|CAL, LLC | <br />