1 Aug, 2019 – On Wednesday, national authorities in Australia improved crystalline silica exposure levels from 0.1 milligrams of airborne particles per cubic metre to 0.05mg/m3. While this a vast improvement, many say it isn’t stringent enough and that those levels are still dangerous. The Victorian authorities, with the backing of unions, lawyers and medical experts, want it moved to 0.02mg/m3.

The move illustrates the growing concern over crystalline silica exposure and silicosis.

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