High risk crystalline silica work - Identification and management

What it contains

A flow chart to help you identify if your crystalline silica process is high risk crystalline silica work. If you or your employees are carrying out a crystalline silica process or processes, you must identify whether those processes meet the definition of 'high risk crystalline silica work'.

A crystalline silica process means one or more of the following processes carried out at a workplace:

• The use of a power tool or other form of mechanical plant to cut, grind, polish, or crush material containing crystalline silica or to carry out any other activity involving material containing crystalline silica that generates crystalline silica dust.
• The use of a road header on an excavated face if the material in the face contains crystalline silica.
• A process that exposes a person to crystalline silica dust arising from the manufacture or handling of material that contains crystalline silica.
• The mechanical screening of crushed material containing crystalline silica.
• A quarrying process involving material containing crystalline silica.
• A tunneling process involving material containing crystalline silica.
• A process determined by WorkSafe to be a crystalline silica process.