Changes to the workplace exposure standard for respirable crystalline silica

The workplace exposure standard (WES) for respirable crystalline silica (silica dust) has been reduced to 0.05 mg/m3. Your local WHS regulator can provide you with more information about when this change applies to you. What is silica dust? Crystalline silica is found in sand, stone, concrete and mortar. It is also used to make a variety of products, including engineered stone for kitchen and bathroom benchtops, bricks and tiles. When workers cut, crush, drill, polish, saw or grind stone or products that contain crystalline silica, dust particles are generated. These dust particles, known as...

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