Geoscience Reference
In-Depth Information
Fig. 16.41 Reduction of pesticide concentrations during degradation experiments: (open
triangle) groundwater; (open circle) groundwater with aquifer sand: A = unsterilized ground-
water, B = sterilized groundwater, C = unsterilized groundwater with unsterilized aquifer sand,
D = sterilized groundwater with sterilized aquifer sand. Reproduced with permission (Pang et al.
2005
). Copyright Society of Chemical Industry. Permission granted by John Wiley & Sons Ltd.
on behalf of the SCI
environments, the experiments conducted at a flow rate, temperature, and pH level
typical in the field. Only chemical degradation of atrazine occurs in sterilized
aquifer sands and groundwater, so that differences in behavior between natural and
