Document ID: chunk:federal_register_of_legislation:F2024L00766:clause:3_529a
Version: federal_register_of_legislation:F2024L00766
Segment Type: clause
Provision Reference: sch 3 cl 529A
Character Range: 56737–58412

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 CCS.
 (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.