On Board Trains Occupational Health and Safety Regulations (SOR/87-184)

AMENDMENTS NOT IN FORCE

• — SOR/2026-10, s. 17

  • 17 Section 7.1 of the On Board Trains Occupational Health and Safety RegulationsFootnote ² is amended by adding the following in alphabetical order:

    • Return to footnote ²SOR/87-184; SOR/2015-143, s. 1

    engineered nanomaterials

    engineered nanomaterials means materials that are designed for a specific purpose or function and that have at least one external dimension in the nanoscale or an internal structure or surface structure in the nanoscale; (nanomatériaux d’ingénierie)

    thermal stress

    thermal stress means all of the adverse health effects experienced by an employee as a result of their exposure to hot or cold working conditions; (stress thermique)

• — SOR/2026-10, s. 18

  • 18 Section 7.2.1 of the Regulations is replaced by the following:

    • • 7.2.1 (1) Every employer must keep a record of each hazardous substance that is used, produced or handled in the work place by the employer, employees or contractors or that is stored in the work place by the employer, employees or contractors for use in the work place.

      • (2) For the purposes of subsection (1), the employer may keep the record in the work place or may keep a centralized record in one work place in respect of several work places where the hazardous substance is used, produced, handled or stored.

      • (3) The employer must keep each record referred to in subsection (1) for a period of 30 years after the day on which the substance that is the subject of the record is last used, produced, handled or stored.

• — SOR/2026-10, s. 19

  • 19 Paragraph 7.3(2)(h) of the French version of the Regulations is replaced by the following:

    • h) si la concentration d’un agent chimique dans l’air est susceptible d’être supérieure à cinquante pour cent de la valeur visée à l’alinéa 7.20(1)a) pour cet agent ou si le niveau de rayonnement ionisant ou non ionisant est susceptible d’être supérieur à toute limite applicable prévue aux paragraphes 7.23(2) ou (3);

• — SOR/2026-10, s. 20

  • 20 Section 7.6 of the Regulations is replaced by the following:

    • • 7.6 (1) A hazardous substance must not be used in a work place if a non-hazardous substance can be used instead.

      • (2) If a non-hazardous substance cannot be used in place of a hazardous substance, the substance that is the least hazardous that can be used must be used.

• — SOR/2026-10, s. 21

  • 21 Section 7.11 of the Regulations is replaced by the following:

    • 7.11 If a hazardous substance is present in a work place and there is a possibility that a fire or explosion may occur due to static electricity, the employer must implement the practices set out in the United States National Fire Protection Association publication NFPA 77, entitled Recommended Practice on Static Electricity, as amended from time to time.

• — SOR/2026-10, s. 22

  • • 22 (1) Subsections 7.20(1) and (1.1) of the English version of the Regulations are replaced by the following:

      • • 7.20 (1) An employee must be kept free from exposure to

          • (a) a concentration of an airborne chemical agent, other than airborne asbestos fibres, in excess of the value established for that chemical agent by the American Conference of Governmental Industrial Hygienists in its publication entitled Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs), as amended from time to time; or

          • (b) a concentration of an airborne hazardous substance, other than a chemical agent, that is hazardous to the health or safety of the employee.

        • (1.1) An employer must ensure that an employee’s exposure to a concentration of airborne asbestos fibres is as close to zero as possible, but in any event the employer must ensure that the concentration does not exceed the value for airborne asbestos fibres adopted by the American Conference of Governmental Industrial Hygienists in its publication entitled Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs), as amended from time to time.

    • (2) Subsections 7.20(2) and (3) of the Regulations are replaced by the following:

      • (2) If the concentration of an airborne chemical agent is likely to exceed the value referred to in paragraph (1)(a) for that chemical agent or the concentration of airborne asbestos fibres is likely to exceed zero, an employer must ensure that a qualified person measures the concentration of the chemical agent or asbestos fibres in the breathing zone of the employees who are most likely to be exposed to the highest concentration of the chemical agent or asbestos fibres in accordance with

        • (a) any method that consists of taking and analyzing samples of the chemical agent or asbestos fibres for the purpose of establishing, for that chemical agent or those asbestos fibres, the threshold limit values TLV-TWA, TLV-STEL or TLV-C as defined in the American Conference of Governmental Industrial Hygienists publication entitled Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs), as amended from time to time, and that fulfills the following conditions:

          • (i) it is provided for in the United States National Institute for Occupational Safety and Health publication entitled Occupational Exposure Sampling Strategy Manual, as amended from time to time, and

          • (ii) it is appropriate for that chemical agent or those asbestos fibres;

        • (b) a method of taking and analyzing samples that is set out, for the chemical agent or asbestos fibres, in the United States National Institute for Occupational Safety and Health publication entitled NIOSH Manual of Analytical Methods, as amended from time to time;

        • (c) a method of taking and analyzing representative samples of the chemical agent or asbestos fibres with accuracy and with detection levels at least equal to those that would be attained if a method referred to in paragraph (b) for that chemical agent or those asbestos fibres were used; or

        • (d) a scientifically proven method of taking and analyzing representative samples of the chemical agent or asbestos fibres, if no method is set out for that chemical agent or those asbestos fibres in the publication referred to in paragraph (b) and no method is available under paragraph (c) for that chemical agent or those asbestos fibres.

      • (3) An employer must keep a paper or electronic record of each measurement taken under subsection (2) at their place of business that is nearest to the work place where the samples to effect the measurement were taken for a period of 30 years after the day on which the last sample to effect that measurement was taken.

    • (3) Paragraphs 7.20(4)(a) to (e) of the Regulations are replaced by the following:

      • (a) the date, time and location of each sampling;

      • (b) the hazardous substance in respect of which the samples were taken;

      • (c) the sampling and analysis method used, including the duration of each sampling and the name, precision, detection limits and flow rate of the equipment used;

      • (d) the sampling results obtained; and

      • (e) the name and occupation of the qualified person who took the samples and analyzed them.

• — SOR/2026-10, s. 23

  • 23 The Regulations are amended by adding the following after section 7.20:

    • 7.20.1 The employer must ensure that the concentration in the air of a chemical agent, other than airborne asbestos fibres, to which employees are exposed and for which the value has not been established by the American Conference of Governmental Industrial Hygienists in its publication entitled Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs), as amended from time to time, is maintained at levels that are as low as feasible.

    • 7.20.2 If engineered nanomaterials are present in the work place, the employer must ensure that, in accordance with CSA Standard Z12885, entitled Nanotechnologies — Exposure control program for engineered nanomaterials in occupational settings, as amended from time to time, a qualified person

      • (a) establishes objectives with respect to the development of protection and prevention measures; and

      • (b) controls the exposure associated with the handling, use and storage of engineered nanomaterials.

    • • 7.20.3 (1) The employer must, in consultation with the policy committee or, if there is no policy committee, the work place committee or the health and safety representative, develop procedures to reduce the risk of thermal stress that include

        • (a) engineering controls, such as temporary equipment, shields, insulation and fans;

        • (b) administrative controls, such as fluid replacement, work practices, work-rest cycles, acclimatization, physiological monitoring and the scheduling and organization of work;

        • (c) the monitoring of environmental factors, such as humidity and wind speed;

        • (d) the protective clothing and equipment to be worn or used;

        • (e) employee education and training with respect to the signs and symptoms associated with thermal stress; and

        • (f) the reporting in the record kept under section 7.2.1 of any incident associated with thermal stress, which must set out

          • (i) the date and time of the incident,

          • (ii) the thermal conditions at the time of the incident,

          • (iii) the protective measures in effect at the time of the incident and the protective measures actually employed at that time, and

          • (iv) the symptoms experienced by and treatment given to affected persons.

      • (2) The employer must implement the procedures developed to reduce the risk of thermal stress if an employee is exposed to conditions that reach

        • (a) the thresholds set out in the table entitled “Screening Criteria using WBGT_eff (°C) for Acclimatized and Unacclimatized Workers” under the heading “Heat Stress and Strain” in the American Conference of Governmental Industrial Hygienists publication entitled Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs), as amended from time to time; or

        • (b) the thresholds set out under the heading “Cold Stress” in that publication, as amended from time to time.

• — SOR/2026-10, s. 24

  • • 24 (1) Subsection 7.23(1) of the Regulations is replaced by the following:

      • • 7.23 (1) If a device that is capable of producing and emitting energy in the form of ionizing or non-ionizing radiation is used in a work place, the employer must apply the limits set out in Safety Code 6, published by the Department of Health, as amended from time to time.

    • (2) Subsection 7.23(3) of the Regulations is replaced by the following:

      • (3) The employer must ensure that every employee is kept free from exposure to ultraviolet radiation, other than solar radiation, that is in the wavelength range of 180 nm up to and including 400 nm and that exceeds the value for ultraviolet radiation listed in the table entitled “Ultraviolet Radiation TLV and Relative Spectral Effectiveness” in the American Conference of Governmental Industrial Hygienists publication entitled Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs), as amended from time to time.