As Canada is divided into federal, provincial and territorial jurisdictions here is the legislation and policy pertaining to workers and lone workers in Quebec, including the associated work alone regulations.
Summary of Quebec Lone Worker Legislation
Quebec’s Occupational Health and Safety Act and regulations have very recently been updated and include article 322, which informs employers they need to have some form of surveillance in place to monitor those working in isolation.
Regulation respecting occupational health and safety
Occupational Health and Safety Act 2018
322. Work performed in an isolated environment:
When a worker performs a task alone in an isolated environment where it is impossible for him to request assistance, an efficient means of surveillance, whether continuous or intermittent, shall be installed.