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On Board Trains Occupational Health and Safety Regulations

Version of section 4.2 from 2015-09-11 to 2018-11-22:

  •  (1) For the purposes of this Part, the exposure of an employee to sound shall be measured using an instrument that

    • (a) is recommended for that measurement in clause 4.3 of CSA Standard CAN/CSA-Z107.56-06, Procedures for the Measurement of Occupational Noise Exposure, as amended from time to time; and

    • (b) meets the requirements for such an instrument set out in clause 4 of that Standard.

  • (2) The exposure of an employee to sound shall be measured in accordance with clauses 5, 6.4.1, 6.4.4, 6.5.2, 6.5.4, 6.6.2 and 6.6.4 of the Standard that is referred to in paragraph (1)(a).

  • (3) For the purposes of this Part, the measurement and calculation of the noise exposure level (Lex,8) to which an employee is exposed shall take into account the exposure of the employee to A-weighted sound pressure levels of 74 dBA or more.

  • (4) The measurement and calculation of the noise exposure level (Lex,8) referred to in subsection (3) may also take into account the exposure of the employee to A-weighted sound pressure levels that are less than 74 dBA.

  • SOR/95-105, s. 7
  • SOR/2014-148, s. 17
  • SOR/2015-143, s. 19
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