Part 1Preliminary1Short titleThis regulation may be cited as the Mining Safety and Health Legislation (Respirable Coal Dust and Silica) Amendment Regulation 2020.2CommencementThis regulation commences on 1 September 2020.Part 2Amendment of Coal Mining Safety and Health Regulation 20173Regulation amended This part amends the Coal Mining Safety and Health Regulation 2017.4Amendment of s 89 (Dust)Section 89(1)(b)(i) and (ii)—omit, insert—

(i)for coal dust—1.5mg/m³ air;

(ii)for free silica—0.05mg/m³ air.

5Insertion of new ch 6, pt 9Chapter 6—insert—Part 9Transitional provision for Mining Safety and Health Legislation (Respirable Coal Dust and Silica) Amendment Regulation 2020409Levels of dust under s 89(1) for dust monitoring and reporting procedure(1)Section 89A applies as if each reference in the section to section 89(1) were a reference to section 89(1) as in force immediately before the commencement.(2)This section stops applying on 1 January 2021.Part 3Amendment of Mining and Quarrying Safety and Health Regulation 20176Regulation amendedThis part amends the Mining and Quarrying Safety and Health Regulation 2017.7Amendment of sch 5 (General exposure limits for hazards)Schedule 5, entry for crystalline silica, column 2, ‘0.1mg/m³’—omit, insert—0.05mg/m³