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

Full text
3.25.2. Materials presumed to contain crystalline silica: For the application of this subdivision, the following materials are presumed to contain crystalline silica:
(a)  slate;
(b)  asphalt;
(c)  concrete;
(d)  brick;
(e)  ceramic;
(f)  cement;
(g)  fibrocement;
(h)  granite;
(i)  granulate;
(j)  sandstone;
(k)  mortar.
O.C. 820-2023, s. 4.