The Greenhouse Emission Model (GEM) is a tool for assessment of exposure of plant protection products (PPPs) in surface water and groundwater resulting from the use for crops grown in greenhouses. It is used in the Dutch registration process for PPPs.
Important message below:
Since 1 January 2026, runs with GEM3.3.2 for soilbound assessments are no longer possible. After clicking “Calculate”, runs will terminate immediately with the message:
“The current model version has expired at 31-Dec-2025. Please contact pearl@pesticidemodels.eu”.
We are aware of the issue and are working to resolve it as soon as possible.
