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Topic Prevention of major accidents

Handling hazardous substances or organisms entails the risk of major accidents. Today, safety and control measures greatly reduce the risk of accidents occurring in the vicinity of establishments with a major accident potential. However, as a result of settlement development around establishments with a major accident potential, the risks are likely to rise again. An updated planning guide shows how this development can be counteracted with good coordination between spatial planning and accident prevention.

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Organization29 September 2025

Hazard Prevention Division

The Division is responsible for dealing with the risks to human life, the environment and major assets arising from avalanches, floods, debris flows, landslides, rockfall processes, earthquakes and major accidents.

Publications

4 July 2025

Objektschutzmassnahmen zur Störfallvorsorge

Geeignete Objektschutzmassnahmen (OSM) im Konsultationsbereich von Anlagen im Geltungsbereich der Störfallverordnung (StFV)

PDF3.24 MB

15 April 2025

Berücksichtigung von Erdbeben in der Störfallvorsorge

Hilfestellung für Betriebe mit chemischen Gefahrenpotenzialen

PDF1.72 MB

1 April 2006

Magazin «umwelt» 2/2006: Technik und Risiko: Sicherheit geht vor

PDF9.77 MB

Media releases

Major accident prevention: In brief

informs about the state of the environment and reveals the links between driving forces, pressures, environmental quality, impacts and responses.

Major accidents: Legislation and enforcement

Hazard Prevention Division

Federal Office for the Environment FOEN
Hazard Prevention Division
Worblentalstrasse 68
3063 Ittigen