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Federal Office for Civil Protection FOCP
SPIEZ LABORATORY
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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.

Damage assessment based on pollutant dispersion information.
Thread and safety assessment based on pollutant dispersion information.
Damage assessment based on pollutant dispersion calculations .
Pollutant dispersion following an aerial spray mission.