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

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341. Safety hat: Subject to the second and third paragraphs, the wearing of a safety hat complying with CAN/CSA Standard Z94.1-05, Industrial Protective Headgear - Performance, Selection, Care, and Use, is mandatory for all workers exposed to head injuries.
As of 3 April 2014, any new safety hat must comply with the most recent version of CAN/CSA Standard Z-94.1 Industrial Protective Headgear - Performance, Selection, Care, and Use.
For activities not subject to the standard prescribed in the first or second paragraph, a means of protection appropriate to the activity must be used.
O.C. 885-2001, s. 341; O.C. 252-2014, s. 2.
341. Safety hat for vertical impact: The wearing of a safety hat in compliance with the ANSI Z89.1-1986 Protective Headwear for Industrial Workers standard is mandatory for any worker exposed to head injuries from vertical impacts, either by the penetration of falling objects or by an electric shock.
O.C. 885-2001, s. 341.