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Report Number: 31530 <br /> QC Report: Matrix Spike/Matrix Spike Duplicate Date : 3/4/2003 <br /> Project Name : Waste Water Plant#4889 <br /> Project Number: <br /> Duplicate Spiked <br /> Duplicate Spiked Spiked Sample Relative <br /> Spike SpikedSpiked Sample Sample Relative Percent Percent <br /> Spiked Sample Spike Dup. Sample Sample Analysis Date Percent Percent Percent Recov. Diff. <br /> Parameter Sample Value Level Level Value Value Units Method Analyzed Recov. Recov. Diff. Limit Limit <br /> TPH as Diesel Blank <50 1000 1000 936 980 ug/L M EPA 8015 2118/03 93.6 98.0 4:56 70130 25 <br /> TPH as Diesel 31606-04 43 20.0 20.0 59.4 80.1 mg/Kg M EPA 8015 2/23/03 94.6 128 29.7 60-140 25 <br /> Benzene 31424-09 <0.0050 0.0380 0.0380 0.0352 0,0347 mg/Kg EPA 82608 2/16/03 92.9 91.6 1.46 70-130 25 <br /> Toluene 31424-09 <0.0050 0.0380 0.0380 0.0306 0.0294 mg/Kg EPA 8260B 2/16/03 80.7 77.5 4.08 70-130 .25 <br /> Tert-Butanol 31424-09 0.014 0.190 0.190 0.169 0.172 mg/Kg EPA 8260B 2116/03 81.7 83.7 2.45 70-130 25 <br /> Methyl-t-Butyl Ether 31424-09 0.40 0.0380 0.0380 0.404 0.336 mg/Kg EPA 8260E 2/16/03 16.0 0.00 200 70-130 25- <br /> Benzene <br /> 5"Benzene 31500-01 91 39.8 40.0 126 133 ug/L EPA 8260B 2/17/03 88.7 106 17.5 70-130 25 <br /> Toluene 31500-01 <0.50 39.8 40.0 40.4 41.5 ug/L EPA 8260E 2117103 102 104 2.09 70-130 25 <br /> Tert-Butanol 31500-01 <5.0 199 200 210 212 ug/l- EPA 8260B 2/17/03 106 106 0.585 70-130 25 <br /> Methyl-t-Butyl Ether 31500-01 <0.50 39.8 40.0 35.8 35.5 ug/L EPA 8260B 2/17/03 90.0 88.8 1.40 70-130 25 <br /> Benzene 31530-11 <0.0050 0.0387 0.0385 0.0354 0.0356 mg/Kg EPA 82608 2/20103 91.6 92.4 0.843 70-130 25 <br /> Toluene 31530-11 <0,0050 mg/Kg EPA 8260B 2/20/03 <br />