The environmental fate of an agrochemical covers all of the processes by which the substance is transported and transformed in the environment. These include degradation in soil, water and sediment, adsorption onto solid materials and volatilization into the air.
Data from the studies listed above are used to estimate the substance’s risk potential and for other purposes, such as calculating environmental concentrations. Here, the most important parameters are the degradation rate, DT50 or DT90, and sorption coefficients (Kd, Koc). These parameters are determined by kinetic evaluation.
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