FACTS

1. A dust explosion can occur when suspended, solid, combustible particles are ignited, potentially releasing enormous amounts of energy. Increasing the surface area of a combustible solid enhances the ease of ignition, resulting in the dust burning more rapidly than the corresponding bulk solid.
2. Secondary dust explosions may occur when the blast wave from a primary explosion entrains dust layers already present, creating a large dust and air combustible mixture that is ignited by the first explosion.
3. Incident commanders should be aware that dust can collect in structures and on surfaces such as rafters, roofs, suspended ceilings, ducts, crevices, dust […]

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