The obligation
PCBUs involved in high-risk processing of crystalline silica substances (crushing, cutting, grinding, drilling) must share information under the Silica Worker Register scheme introduced by the WHS Regulation 2025.
The WHS Regulation 2025 incorporates amendments from the Work Health and Safety Amendment (Silica Worker Register) Regulation 2025, imposing a new information-sharing duty on PCBUs engaged in high-risk processing of crystalline silica substances (CSS). 'High risk processing' broadly covers crushing, cutting, grinding or drilling of CSS and is not limited to tunnelling. Affected PCBUs must provide relevant worker health and exposure data to the Silica Worker Register.
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- What
- PCBUs involved in high-risk processing of crystalline silica substances (crushing, cutting, grinding, drilling) must share information under the Silica Worker Register scheme introduced by the WHS Regulation 2025.
- Source
- legislation.nsw.gov.au
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silica
crystalline silica
silica worker register
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PCBU
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Frequently asked questions
Which WHS law does this come from?
Silica Worker Register — Information Sharing Duty for PCBUs is a WHS requirement set out in Work Health and Safety Regulation 2025 (NSW). It is made under Work Health and Safety Act 2011 (NSW). The relevant provision is Work Health and Safety Regulation 2025 (NSW) > Silica / CSS.
What does this WHS obligation require?
Silica Worker Register — Information Sharing Duty for PCBUs is a WHS obligation under Work Health and Safety Regulation 2025 (NSW). In short, PCBUs involved in high-risk processing of crystalline silica substances (crushing, cutting, grinding, drilling) must share information under the Silica Worker Register scheme introduced by the WHS Regulation 2025.
What changed recently?
Silica Worker Register — Information Sharing Duty for PCBUs was last updated on 26 August 2026.
