OSHA Safety Manuals | silica
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The Hazards Of Silica Dust Crystalline silica is a common mineral in the earth's crust and is found in many types of rock including sand, quartz, and granite. Silica is present in both work and non-work environments, and exposure to crystalline silica dust has long been known to cause a disease called silicosis. When you inhale crystalline silica the lung tissue reacts by developing fibrous tissue around trapped silica particles. This condition of the lung is called silicosis. Due to the extensive use of concrete and masonry products in buildings today, construction workers have a potential exposure to crystalline silica. Operations such...

Foundry Worker Safety Foundries are a source of many hazards. There is a hot work environment and the potential for burns or fires around furnaces and crucibles.  Molten metals create fumes.  Sand molding materials can create silica dust.  Chipping, sandblasting, and grinding create dust.  Conveyors, crushers, and stamping machines pose a caught/crush hazard. This combined activity creates a noisy atmosphere.  Workers need proper work techniques, adequate ventilation, and personal protective equipment (PPE) to stay safe. PPE protects you from the foundry environment. Wear leather shoes, gloves, and safety glasses with a side shield.  A hat with a brim protects you from spatters....