Effects of secondary poisoning

As part of the risk assessment, the effects of secondary poisoning have to be considered for both the aquatic and terrestrial environment. Several different characteristics of the substance are taken into account in determining the potential for a substance to be of concern. These characteristics are as follows  

If the results of these tests indicate that the substance has  

According to the TGD s an assessment scheme should then be followed to determine the extent of this potential and this is shown schematically below  

This assessment should be conducted for the aquatic and terrestrial environment e.g. Water concentration - fish - fish eating bird/mammal Soil concentration - earthworm - birds/mammals 

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