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Siren Operation – Emergency Drill – May 7th, 2026 – 11 a.m.
NOTICE TO CITIZENS: CEZinc, along with the municipalities of Salaberry-de-Valleyfield, Saint-Louis-de-Gonzague, and Saint-Stanislas-de-Kostka, would like to inform citizens that a public alert drill will take place on May 7th at 11 a.m.
The operation will last between 5 and 10 minutes. While the sirens may be heard beyond the targeted area, only businesses and residents of Salaberry-de-Valleyfield located within a 3.5 km radius of the CEZinc plant will receive a test message from the Automated Emergency Messaging System (SAM).
NO action is required on your part. The end of the siren will signal the conclusion of the drill.
At CEZinc, we produce between 260,000 and 270,000 tonnes of zinc products and various by-products annually from zinc concentrates imported from overseas and from Quebec and Ontario.
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265
kilotonnes of annual zinc production
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400
400 kiltonnes of sulphuric acid production per year
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2-2,5
kilotonnes of copper cake production per year
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Zinc products
Zinc is a common mineral found in a wide range of products, from sunscreen to cars.Learn more about our zinc products -
Sulphuric acid
In Quebec, sulphuric acid is mainly used in heavy industry.Learn more about our sulphuric acid product