S-2.1, r. 4 - Safety Code for the construction industry

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2.21.8. The measurement of the daily noise exposure level and peak sound pressure level must be made in view of the recommendations made in ISO Standard 9612:2009, Acoustics – Determination of occupational noise exposure – Engineering method, – or in CSA Standard Z107.56-13, 2014, Measurement of noise exposure.
In addition, the integrating sound level meter or dosimeter used for the measurement must be a model recommended in one of the 2 standards.
O.C. 781-2021, s. 2.