The company attributed weak Q1 results to heavy rains, unplanned outages, regulatory delays linked to last year’s dam failure, and ongoing disruptions caused by the coronavirus.

Coal-fired power plants are the largest U.S. source of mercury, and the 2012 pollution-control requirements prompted a wave of closures of the facilities.

The BC health authority is satisfied that Teck has put the recommendations from the Province in place and has strong protocols in place with regards to covid-19.

GlobalData says disruption has been most significant in China, but global output only marginally affected by pandemic.