Over exposure to silica can cause coughing, breathing difficulties, wheezing, eye irritation, lung cancer, or silicosis. In order to avoid these, employers have a duty to train employees on tasks that may expose them to these hazards. 

Silica, or crystalline silica, is a mineral that is found in many construction materials such as sand, cement, gravel, stone, brick and mortar. Over exposure to silica can cause coughing, breathing difficulties, wheezing, eye irritation, lung cancer, or silicosis. In order to avoid these, employers have a duty to train employees on tasks that may expose them to these hazards. These tasks may include cutting bricks with a handheld power saw, cutting concrete blocks with a stationary masonry saw, or grinding mortar.

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