The major players in the oilsands often boast they're obsessed with workplace safety and there's zero-tolerance for on-site impairment from drugs or alcohol. The industry's workplace safety association, Energy Safety Canada, said it expects cannabis will become more prevalent among oil and gas workers after legalization. "We do expect we will see an uptick in usage," said Murray Elliott, the president of Energy Safety Canada. Energy Safety Canada believes oil and gas employees have the right to use cannabis when they are not working. Advice to workers from the unionWalter Ticas, president of Unifor 770 A — the Fort McMurray union that represents Suncor workers — said Suncor is still developing policies around cannabis.

Source: CBC News October 14, 2018 12:56 UTC