ArcelorMittal Dofasco says it has learned from 'failure' behind red plume emitted last year - Action News
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Hamilton

ArcelorMittal Dofasco says it has learned from 'failure' behind red plume emitted last year

ArcelorMittal Dofasco's general manager of the environmentsays the company has learned from the 'failure' that sent a red plume of iron oxideinto the air in October.

As a result of the emission in October, the plant was required to implement a new alarm system

A red cloud comes out of a factory.
A cloud of red, iron oxide dust was in the air for 14 minutes on Oct. 28, 2023. (Andrew Collins/CBC)

ArcelorMittal Dofasco's general manager of the environmentsays the plant has learned from the "failure" that sent a red plume of iron oxideinto the air in October.

During aTuesday evening community liaison committee meeting, Gas Gebaraexplained how the malfunction occurred and answered questions from residents.

He said the issue occurred in the process of blowing oxygen at the plant's steelmaking furnace at roughly 3:21 p.m., on Oct. 28, 2023. It's done to refine the iron and remove impurities.

The malfunctionsent a dust cloudin the skyfor roughly 14 minutes and prompted questions and concerns from residents who saw it.

Gebarasaid the plantinvestigated the incident and contacted the Ontario Ministry of Environment, Parks and Conservation's Spills Action Centre.

"This was a unique event we had not seen before ... our goal is zero [events like this], that's clear," Gebara said.

WATCH |Red dust cloud forms after 'malfunction' atArcelorMittal Dofasco

Red dust cloud forms after 'malfunction' at ArcelorMittal Dofasco in Hamilton

10 months ago
Duration 0:08
ArcelorMittal Dofasco said it is investigating the "malfunction" that sent a red dust cloud, mainly comprised of iron oxide, into the air on Oct. 28.

Gary Wheeler, spokesperson for the Ministry of Environment, told CBC Hamilton in an email on Wednesday that as a result of the emission, the plant wasrequired to implement alarms to alert Dofasco of any change in operating conditions.

He said monitoring data "did not reveal any evidence of a related significant increase in measured concentrations of particulate matter or total reduced sulphur."

"The ministry has not laid any charges in relation to this incident, nor are there any active investigations underway," Wheeler wrote.

Gebara said the company has put the alarms in place andis"reaching out to the community to share those lessons." He also said the company's summary on the incident would be posted to its website within the next two weeks.

Dofasco halting coal use by 2028

Kate Flynn, general manager at Mohawk College's Centre for Climate Change Management, attended the meeting and said in an interview on Wednesday Dofasco seemed to share more about this incident than they have about past incidents.

That said there will never be a "satisfactory answer" for her so long assteelmakingcauses pollution.

Flynn addedshe hopes a mistake like this won't happen again.

ArcelorMittal Dofascois Canada'sbiggest producer of flat-rolled steel and also the single biggestindustrial source of carbon dioxide(CO2) emissions in Ontario.

The plant has plans tocut carbon emissions by 60 per cent and remove coal from its process by switching over todirect reduced iron-electric arc furnace steelmakingin the next four years.

As part of that process, Gebara said the steelmaking furnace that was responsible forthe plumewon't be in operation.

With files from Eva Salinas