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Alert sirens

Sirène chez interquisaIn Montréal, as in many large cities, industries are located alongside residential areas, increasing the risks in the event of a major industrial accident. This is why the city works closely with industries that use dangerous substances in order to reduce the risks associated with a major industrial accident involving toxic gas.

If this type of accident should occur, the population at risk would be alerted immediately with an alert siren. On the island of Montréal, there are four industrial sites with sirens:

Suncor Montreal sulfur plant , Cepsa Chimie Montréal, Saputo, Labatt Breweries of Canada and Molson Coors. The siren emits a modulating (rising and falling) tone for three minutes.  To hear the siren, play the file below:

To hear the siren, play this file:

This signal means you must seek shelter immediately. It is the most basic element of the public alert process.
Sirens can be heard from a radius of 1½ kilometres and are linked to the Service de sécurité incendie de Montréal (SIM) and the 911 emergency centre.

Security instructions will be given in the event of an accident involving the release of toxic gas into the atmosphere on the radio stations.

These initial instructions will be followed by additional messages from the community alert service via residential telephone to inform those affected what they should do as the situation evolves.

To find out what to do if you hear the siren, click here.

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