In previous investigations it was demonstrated that the tiered approach for groundwater risk assessment of plant protection products in Europe (FOCUS) also represents and covers German environmental conditions. However, since a new approach of endpoint selection for groundwater modelling in the EU was implemented 2015, a recalculation of the results is required. A comparison of recalculated leachate concentrations with measurements from lysimeter studies provide evidence that a safe prediction by modelling for a high percentage of the investigated substances is still ensured. No significant differences are observed between modelling results using new EU and national endpoints.
Comparison of different methodologies for selecting PELMO input parameters for groundwater modelling of plant protection products including current EU guidance (SANC0/12117/2014 - final, 2014)
Texte | 147/2019
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