A very large mining allfit has issues in NW Quebec:https://www.bnnbloomberg.ca/glencore-takes-heat-in-quebec-for-smelter-that-spits-out-arsenic-1.1804167
Glencore Takes Heat in Quebec for Smelter That Spits Out Arsenic
https://republicofmining.com/2022/08/11/glencore-takes-heat-in-quebec-for-smelter-that-spits-out-arsenic-by-mathieu-dion-bloomberg-news-august-10-2022/