Federal Office for Civil Protection, SPIEZ LABORATORY
Toxic chemical dispersion models
The Personal Protection working group uses different numerical dispersion models to calculate and estimate the dispersion of toxic chemicals in the atmosphere. In addition, procedures concentrated in time as well as distances from the hazard site are calculated according to a range of climatic conditions. In this way the type of pollutant emission as well as the chemical incident can be integrated in simulations. Pollutant dispersal diagrams are primarily used in risk assessments and as a basis for threat analyses. They also serve as a tool in the chemical emergency management training.

- Thread and safety assessment based on pollutant dispersion information.

- Pollutant dispersion following an aerial spray mission.