Table 4.7 Measured and calculated pesticide concentrations in solutions used in the experiments Nominal Measured Experiment   Conc micro Ci/mL mg/L micro Ci/mL mg/L Pendimethalin Degradation stock 1.21 21.8 1.21 21.8 kinetics pond low 0.0061 0.11 0.0053 0.096 kinetics pond high 0.012 0.22 0.011 0.20 equilibrium stream low 0.0033 0.055 0.0020 0.036 equilibrium stream medium 0.0061 0.11 0.0052 0.093 kinetics stream high 0.0097 0.18 0.0066 0.12 temperature, lake high 0.0097 0.18 0.0072 0.13 Desorption low 0.0061 0.11 0.0051 0.092 Desorption high 0.012 0.22 0.011 0.19 Ioxynil stock 0.56 7.6 equilibrium stream low 0.0028 0.038 0.0028 0.038 kinetics stream medium 0.022 0.30 0.023 0.32 equilibrium stream high 0.028 0.38 0.031 0.43 temperature, lake medium 0.022 0.30 0.023 0.31 Degradation Stock 2 0.56 7.6 0.63 8.7 Bentazone stock 0.50 1500 - - equilibrium stream low 0.00020 0.60 0.00023 0.69 equilibrium stream medium 0.0010 3.0 0.0013 3.9 equilibrium stream high 0.010 30 0.014 42 temperature, lake medium 0.0013 3.8 0.0018 5.4 Degradation stock 2 0.50 1500 0.75 2250