Carbon black producer’s emissions were 'primary source' of soot falling on Hamilton in July: environment ministry
Emissions from carbon black manufacturer Birla Carbon were "a primary source" of the soot falling on Hamilton neighbourhoods in early July, Ontario's Ministry of the Environment, Conservation and Parks has said. Black dust falling on Hamilton homes is a perennial issue, especially near the eastern industrial sector.
We haven't written up this one. CBC Canada has the full story — the link below goes straight to it.