Biologically active material such as dust (containing dander, pollen etc) and sawdust can cause sensitisation, especially in those with asthma or existing allergies. Common construction materials ...

Sydney Metro says they actively monitor silica levels and work to reduce the risk on workers. It's a potentially deadly dust that is thick within the sandstone which lies underneath Sydney.

A regional Victorian court has fined global mineral mining company Sibelco $400,000 for exposing four workers to silica dust, resulting in silicosis diagnoses of three men. Sibelco, which has ...