That orange smoke emitted from ArcelorMittal Dofasco?
Don’t worry, it’s not toxic, according to the steel maker.
They say there was an emission of iron oxide from its plant for about seven minutes yesterday afternoon.
— JustinKeosi (@JKEOSI) May 5, 2016
Spokesperson Marie Verdun says they are investigating after the emission took place when transferring hot metal for the electric arc furnace.
The Ministry of the Environment has been called in.