Respirable Crystalline Silica. It’s the dust that’s on every builder’s mind right now. It’s found when working with sand, concrete, stone, mortar, asphalt, cement, grout, brick, and tile. The new OSHA regulations governing the acceptable limits of dust exposure might mean that you need to upgrade the tools you use on the jobsite. The new requirements which
went into effect in late September give builders a few options on how to control the amount of silica dust created by the cutting or grinding of concrete, rocks, or tile, or simply moving soil around the jobsite.