What hazard does combustible dust present in the workplace?

Combustible dust presents a significant explosion risk when it becomes suspended in the air. When dust particles accumulate in sufficient quantities and are dispersed in the atmosphere, they can create an explosive environment. This is due to the fact that when ignited, the rapid combustion of the dust can produce a shockwave and fireball, leading to potentially devastating explosions. Various industries, especially those dealing with organic materials, metals, or plastics, often face this hazard if proper precautions are not in place.

The explosion risk is further magnified when dust particles are smaller, as these smaller particles have a larger surface area relative to their volume, allowing for faster combustion. Recognizing this risk is crucial for implementing effective safety measures, such as proper dust collection systems and ventilation to minimize the potential for dust accumulation and dispersion in the air.