S-2.1, r. 13 - Regulation respecting occupational health and safety

Section 137 Disposition versions

2023-06-16

137. To determine the reduction in the workers’ daily exposure to noise, the employer must

(1)  ensure, if a worker is affected by a single workplace situation comprising a single task or activity that may exceed the exposure limits during the working day, that the worker is not exposed to the equivalent continuous sound pressure level (dBA) specified in the following table for longer than the time indicated:

Equivalent continuous sound pressure level (dBA)	Maximum permitted daily duration
82	16	Hours
83	12
85	8
88	4
91	2
94	1
97	30	Minutes
100	15
103	7
106	4
109	2
112	1
115	28	Seconds
118	14
121	7
124	3
127	1
130-140	< 1

(2)  determine, if a worker is affected by a workplace situation comprising more than one task or activity that may exceed the exposure limits during the working day, a reduction in the daily exposure to noise using the calculator published by the Commission on its website. The Lex,8h or LEX,8h daily exposure level calculated in this way must be consistent with the daily noise exposure limit.

This section shall not have the effect of permitting a work period that is longer than the period authorized by a law or regulation, a collective agreement, an order in council or a contract of employment.

O.C. 885-2001, s. 137; O.C. 781-2021, s. 2.

2012-09-01

137. Hearing protectors: Any hearing protector provided to a worker in accordance with the second paragraph of section 136 shall reduce the noise such that the worker is no longer exposed to noises that exceed the standards established in sections 131 to 135.

These hearing protectors shall comply with the CSA Standard Z.94.2-1974 entitled Hearing Protectors.

They shall also be disinfected before being used by another worker, except in an emergency.

O.C. 885-2001, s. 137.