To carry out the assessment of applications, the Ctgb uses (national) methods and calculation models. How these are to be used is explained in our Evaluation Manual.
The calculation models NL Greenhouse, the Residence Lee Side Turbulence Model and Worker exposure dippling wet bulbs can be used for this version of the assessment framework.
Work instruction Calculation of the 90th percentile
Work instructions Fate & behaviour
Work instructions; mainly concering the NL Addendum.
Instructions for using the Wageningen drift calculator
The procedure for using the Wageningen drift calculator (WDC) for various types of applications – in effect from 1 January 2022 – ...
Non-professional spray applications of plant protection products, a new approach to the higher tier assessment (ecotoxicology)
Authorisations for non-professional use of plant protection products are regularly applied for. This involves a wide range of ...
Instruction restriction sentences in line with DRT classes
The instruction is intended as guidance for applicants to arrive at restriction sentences and assessments in line with the new ...
Calculation models Human Toxicology
Calculation models for human toxicology. The following exposure models must be used for human toxicology.
Calculation sheets Fate & Behaviour
Excel calculation sheets are available for:
Assessment of topics with regard to specific agricultural use in the Netherlands
To achieve European harmonisation, the Board supports the line of policy to deviate as little as possible at the national level ...