Regulations Made Under Part II of the Canada Labour Code Respecting Occupational Safety and Health of Employees Employed on or in Connection with Exploration or Drilling for, or the Production, Conservation, Processing or Transportation of, Oil or Gas in Canada Lands, as Defined in the Canada Oil and Gas Act

17.4 (1) Where there are not more than five employees normally working in a work place, other than an isolated work place, a first aid attendant shall be readily available.

(2) At an isolated work place in which not more than five employees are normally working, one of those employees shall be a first aid attendant who holds at least a standard first aid certificate.