On Board Trains Occupational Health and Safety Regulations

8.8 (1) Where there is a hazard of an airborne hazardous substance or an oxygen deficient atmosphere in a work place, the employer shall provide a respiratory protective device that is listed in the NIOSH Certified Equipment List as of October 1, 1984, dated February, 1985, published by the United States National Institute for Occupational Safety and Health.

(2) A respiratory protective device referred to in subsection (1) shall be selected, fitted, cared for, used and maintained in accordance with the standards set out in CSA Standard Z94.4-M1982, Selection, Care and Use of Respirators, the English version of which is dated May, 1982, as amended to September, 1984 and the French version of which is dated March, 1983, as amended to September, 1984, excluding clauses 6.1.5, 10.3.3.1.2 and 10.3.3.4.2(c).

(3) Where air is provided for the purpose of a respiratory protective device referred to in subsection (1),

• (a) the air shall meet the standards set out in clauses 5.5.2 to 5.5.11 of CSA Standard CAN3-Z180.1-M85, Compressed Breathing Air and Systems, the English version of which is dated December 1985 and the French version of which is dated November 1987; and

• (b) the system that supplies air shall be constructed, tested, operated and maintained in accordance with the CSA Standard referred to in paragraph (a).