The obligation
PCBUs processing crystalline silica substances (≥1% crystalline silica) in high-risk activities must prepare and maintain a silica risk control plan under NSW WHS Reg 2025.
Chapter 8A of the NSW WHS Regulation 2025 requires PCBUs conducting high-risk processing of crystalline silica substances (CSS) — defined as material containing ≥1% crystalline silica — to prepare a silica risk control plan. If processing is not carried out in accordance with the plan, the PCBU must stop or re-plan the work.
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- What
- PCBUs processing crystalline silica substances (≥1% crystalline silica) in high-risk activities must prepare and maintain a silica risk control plan under NSW WHS Reg 2025.
- Source
- nsw.cfmeu.org
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silica risk control plan
PCBU duty
CSS
high-risk processing
WHS Regulation 2025
Official sources
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Frequently asked questions
Which WHS law does this come from?
Silica Risk Control Plan – PCBU Obligation is a WHS requirement set out in Managing the risks of silica in engineered stone workplaces (NSW). It is made under Work Health and Safety Act 2011 (NSW). The relevant provision is Managing the risks of silica in engineered stone workplaces > Silica Risk Control Plan § Chapter 8A.
What does this WHS obligation require?
Silica Risk Control Plan – PCBU Obligation is a WHS obligation under Managing the risks of silica in engineered stone workplaces (NSW). In short, PCBUs processing crystalline silica substances (≥1% crystalline silica) in high-risk activities must prepare and maintain a silica risk control plan under NSW WHS Reg 2025.
What changed recently?
Silica Risk Control Plan – PCBU Obligation was last updated on 13 August 2026.
