Controlling silica exposures in construction while operating handheld masonry saws silica is a mineral that is found in stone soil and sand it is also found in concrete brick mortar and other construction materials breathing in silica dust can cause silicosis a serious lung disease using a handheld masonry saw to cut concrete. Construction tasks that cut break grind abrade or drill concrete mortar stone asphalt and brick have been associated with overexposure to respirable crystalline silica dust the national institute for occupational safety and health niosh found that exposure could be reduced through the use of engineering controls including the use of . Controlling silica exposures in construction occupational safety and health administration effective management of employee safety and health protection is a decisive factor in reducing the extent and severity of work related injuries and illnesses and their related costs in fact an effective safety and health management system forms the
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