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

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40. No worker in an establishment shall be exposed to:
(1)  a concentration of airborne oxygen below 19.5% in volume at normal atmospheric pressure;
(2)  gases, fumes, vapours, dusts or mists, beyond the limits provided for in Schedule I.
Subparagraph 2 of the first paragraph also applies to a work station located in a vehicle, wherever situated.
O.C. 885-2001, s. 40; O.C. 49-2022, s. 3.
40. Oxygen: Subject to section 45, the percentage in volume of airborne oxygen in any work location of an establishment shall not be less than 19.5% at normal atmospheric pressure.
O.C. 885-2001, s. 40.