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Table 6. Concentrations and relative percent differences for pesticides detected in replicate samples-Continued <br />[µg2, microgram per liter; <, less than; nc, not computed; GC/MS, gas chromatography/mass spectrometry; HPLC, high-performance liquid chromatography] <br />Concentration Relative Concentration Relative Concentration Relative <br />Pesticide in replicates percent Pesticide in replicates percent Pesticide in replicates percent <br />(µg/L) difference (µg/L) difference (µg/L) difference <br /> Cyanazine 0.007 0.0 <br /> (continued) 0.007 <br /> <0.004 <br /> 0.007 <br /> 0.006 nc <br /> <0.004 <br /> 0.016 <br /> 0.014 <br /> 0.013 6.5 - 21 <br /> 0.015 <br /> 0.023 4.3 <br /> 0.024 <br /> 0.008 12 <br />D 0.009 <br />c <br />a <br />r_ <br /> <br />i7 <br />z 2,4-D 0.390 8.0 <br />~ 0.360 <br />O <br />r <br /> <br />m 0.620 <br /> <br />= 0.560 <br />v 0.660 1.8 - 18 <br />N <br />n <br />0.550 <br />z <br />v <br /> <br />rn <br />N <br />c <br />r <br />N <br />~i <br />V <br />2,4-D 0.490 28 DCPA 0.002 nc <br />(continued) 0.370 (continued) <0.002 <br /> 0.870 0.005 0.0 <br /> 0.860 0.005 <br /> 0.800 1.1 - 9.5 <br /> 0.880 0.002 0.0 <br /> 0.002 <br /> 0.210 <br /> 0.070 <br /> 0.150 6.9 - 100 0.004 0.0 <br /> 0.140 0.004 <br /> 0.005 0.0 <br /> 0.005 <br />2,4-DB 0.830 19 <br /> 1.00 <br /> 0.003 0.0 <br /> 0.003 <br />DCPA 0.015 <br /> 0.014 <br /> 0.014 0.0 - 6.9 Deethylatrazine 0.003 29 <br /> 0.015 0.004 <br /> 0.010 0.016 <br /> 0.012 0.018 <br /> 0.011 0.0-18 0.015 0.0-18 <br /> 0.011 0.015 <br />