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

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3.2.12. Double changing room: The employer must provide workers with a changing room for street clothes and another one for work clothes, between which a shower room is set up so that workers may shower before wearing their street clothes,
(1)  for work liable to produce asbestos dust emissions where high-risk work is carried out according to paragraph 3 of section 3.23.2; or
(2)  where workers are exposed to lead, mercury or beryllium or their compounds, in the form of vapour or dust.
O.C. 393-2011, s. 9.