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

Section 102
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102. Natural ventilation: In any establishment where overall ventilation is provided by natural means, it shall be obtained by means of windows, shutters or vents having a ventilation area at least equal to the percentage of floor area indicated in the following table, according to the type of establishment in question:

Type of establishment Percentage of floor area

Laboratories and office buildings 5%


Any other establishment 2%
For the purposes of this section, floor area does not include stairwells and other vertical empty spaces.
O.C. 885-2001, s. 102.
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