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On Board Trains Occupational Health and Safety Regulations

Version of section 7.7 from 2006-03-22 to 2015-09-10:


 Every ventilation system used to control the concentration of an airborne hazardous substance shall be so designed, constructed and installed that

  • (a) where the airborne hazardous substance is a chemical agent, the concentration of the airborne hazardous substance does not exceed the values and percentages referred to in sections 7.20 and 7.21; and

  • (b) where the airborne hazardous substance is not a chemical agent, the concentration of the airborne hazardous substance is not hazardous to the safety or health of employees.

  • SOR/88-200, s. 14
  • SOR/95-105, s. 23

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