ArcelorMittal Dofasco experienced what is referred to as a “bleeder pop” at one of our blast furnaces (this is where we utilize coke made from coal and lime stone to make liquid iron. Liquid iron is then used to create liquid steel).

The incident happened at approximately 12:30 a.m. this morning and lasted for 15 seconds. The incident was reported immediately to the Ministry of Environment and Climate Change and our environment team has conducted an investigation into the incident and its full impact. The release caused particulate (combination of iron, ore fines, coke fines, carbon and coal) to fall onto industrial property but did not extend into the community, away from our property.

Bleeder pops are common to all blast furnaces and happen when a safety valve is released because pressure in the furnace is too high.

About ArcelorMittal Dofasco

About ArcelorMittal Dofasco ArcelorMittal Dofasco is Canada’s largest producer of flat carbon steel and is part of the world’s largest steel and mining company. Headquartered in Hamilton, ON, our more than 5,000 employees are dedicated to being world class as we strive to transform tomorrow with lighter, stronger and more sustainable steel. For us, steel is the fabric of life, as it is at the heart of the modern world. ArcelorMittal has a presence in more than 60 countries and an industrial footprint in over 20 countries. Guided by a philosophy to produce safe, sustainable steel, we are the leading supplier of quality steel in the major global steel markets including automotive, construction, household appliances and packaging, with world-class research and development and outstanding distribution networks. For more information about ArcelorMittal Dofasco, please visit:

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