Model Code of Practice: Managing the risks of respirable crystalline silica from engineered stone in the workplace

Engineered Stone Ban

The ban on the manufacture, supply, processing and installation of engineered stone is set to come into effect on 1 July 2024.

Learn more on the engineered stone ban web page.


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The revised Code explains that processing of engineered stone is controlled if all workers who process engineered stone are provided with RPE, and at least one of the following systems is used:
• a water delivery system that supplies a continuous feed of water over the stone being processed to suppress the generation of dust
• an on-tool extraction system, or
• an LEV system.

The Code has also been updated to include the definition of engineered stone added to the model WHS Regulations as part of the amendment.

Be Silica Smart

Silica dust (also known as respirable crystalline silica, or RCS) is work health and safety hazard.

Find information on silica in your state and territory to help you manage this work health and safety hazard.

See the resources

This model Code of Practice provides practical information on how to manage health and safety risks associated with respirable crystalline silica from engineered stone in your workplace.

Use this model Code of Practice if you are a duty holder and you:

  • manage the health and safety risks associated with working with engineered stone
  • design, manufacture, import or supply engineered stone
  • fabricate, install, maintain, remove or dispose of engineered stone

This model Code applies to all types of work and all workplaces covered by the model Work Health and Safety Act. The code covers: 

  • who has health and safety duties in relation to working with engineered stone
  • how to identify, manage and control the risks of working with engineered stone
  • the workplace exposure standard for respirable crystalline silica
  • health monitoring
  • air monitoring, and
  • clean-up and disposal of silica dust maintenance, refurbishment or removal of engineered stone

To have legal effect in a jurisdiction, the model Code of Practice must be approved as a code of practice in that jurisdiction. Check with the relevant regulator to determine if this is the case.

Check with your WHS regulator to find out if this Code of Practice has legal effect in your jurisdiction

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Model Codes of Practice


Crystalline silica and silicosis
Occupational lung disease