South Australian Current Regulations

WORK HEALTH AND SAFETY REGULATIONS 2012 - REG 529A

529A—Meaning of " "processing in relation to crystalline silica substances and related terms

        (1)         In these regulations, "processing" in relation to a CSS means—

            (a)         the use of power tools or mechanical plant to carry out an activity involving the crushing, cutting, grinding, trimming, sanding, abrasive polishing or drilling of a CSS; or

            (b)         the use of roadheaders to excavate material that is a CSS; or

            (c)         the quarrying of a material that is a CSS; or

            (d)         mechanical screening involving a material that is a CSS; or

            (e)         tunnelling through a material that is a CSS; or

            (f)         a process that exposes, or is reasonably likely to expose, a person to respirable crystalline silica during the manufacture or handling of a CSS.

        (2)         In these regulations, "crystalline silica substance (CSS)" means material that contains at least 1% crystalline silica, determined as a weight/weight (w/w) concentration.

Note—

Engineered stone is a type of CSS.

        (3)         In these regulations, "crystalline silica —

            (a)         means crystalline polymorphs of silica; and

            (b)         includes the following substances:

                  (i)         cristobalite;

                  (ii)         quartz;

                  (iii)         tridymite;

                  (iv)         tripoli.

        (4)         In these regulations, "engineered stone"—

            (a)         means a CSS that—

                  (i)         is an artificial product; and

                  (ii)         is created by combining natural stone materials with other chemical constituents such as water, resins or pigments; and

                  (iii)         becomes hardened; but

            (b)         does not include the following:

                  (i)         concrete and cement products;

                  (ii)         bricks, pavers and other similar blocks;

                  (iii)         ceramic wall and floor tiles;

                  (iv)         grout, mortar and render;

                  (v)         plasterboard;

                  (vi)         porcelain products;

                  (vii)         sintered stone;

                  (viii)         roof tiles.