Guide
Combustible Dust Hazard Management
Combustible dust presents significant fire and explosion risks across many industries, often due to lack of awareness and inconsistent standards. Modern frameworks such as NFPA 660 require facilities to identify hazards, perform Dust Hazard Analyses (DHAs), and implement controls. Explosions occur when five elements—fuel, oxygen, ignition source, dispersion, and confinement—are present. Key factors influencing risk include particle size, moisture, and concentration. Effective management involves testing materials, evaluating explosibility parameters, and applying engineering and procedural safeguards. Risk-based approaches such as HAZOP/LOPA help prioritize mitigation actions, while housekeeping and dust control are critical to preventing catastrophic secondary explosions.
