Exposure Assessment

Within the framework of an application for registration of an agrochemical, computer simulations are used to obtain an estimate of the amount of substance that might enter the environment.

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Substance concentrations are usually simulated for the environmental compartments soil, groundwater and surface water. Depending on the characteristics of the substance, calculation of concentration in air is considered as well.

Here, various approaches must be considered, including those applied at EU-level (e.g. FOCUS, EFSA), at individual Member State level, as well as those used by regulatory authorities outside the EU.

Higher-tier modelling studies / GIS

Higher-tier modelling studies and spatial approaches based on Geographical Information Systems (GIS) strengthen the environmental exposure assessment by adding more complexity in the sense of bringing the simulated processes closer to realistic environmental conditions.

Our services with regard to exposure assessment

  • Predicted Environmental Concentration (PEC)-calculations for EU und non-EU countries
  • Standard and higher-tier modelling
  • Use of all established models according to FOCUS and EFSA
  • Use and adaptation of non-standard models
  • Research, compilation and preparation of spatial data using GIS
  • Application of spatial data for realistic higher-tier studies during the registration process
  • Dossier compilation

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