Coal Mining Occupational Health and Safety Regulations (SOR/90-97)

126 (1) The mine manager shall designate the location and frequency of tests underground for flammable gas in such a manner that dangerous concentrations of gas are detected in time for

• (a) corrective measures to be taken; and

• (b) where necessary, employees to be evacuated safely and expeditiously.

(2) Where an employee is required under these Regulations to test for flammable gas, the employer shall provide the employee with a methanometer that is capable of testing for flammable gas in layers, cracks, crevices and other locations that are normally beyond arm’s reach.

(3) Every employee who tests for flammable gas shall make a record of each test in a book kept for that purpose.