DustRisk Blog

Combustible dust compliance guidance, NFPA standard updates, and incident analysis.

Dust Explosion Pentagon: The 5 Elements Required for a Dust Explosion

Combustible particles and fire in a dramatic confined setting.

Combustible dust pentagon models show five specific conditions that create deadly explosions, unlike the fire triangle’s three elements. The fire triangle only explains three elements of combustion, but dust explosions need five specific conditions to kill workers. Key Takeaways: The dust explosion pentagon requires fuel, oxygen, ignition, dispersion, and confinement, two more elements than fire … Read more

What Is Combustible Dust: Definition, Classification, and Examples

Airborne dust particles in a warehouse with dramatic lighting, emphasizing explosion risk.

What is combustible dust becomes critically important when most EHS managers discover they’ve been working with it for years without knowing it, and the insurance auditor’s letter demanding NFPA 660 compliance is their first clue. Key Takeaways: Combustible dust includes any finely divided solid material with particles smaller than 500 microns that can create an … Read more

Combustible Dust Safety: The Complete Compliance Guide

Factory with dust particles in the air, dramatic lighting, tense atmosphere.

Combustible dust compliance just became your insurance company’s favorite audit topic. Your audit letter references NFPA 660, and you’ve got 90 days to prove compliance with standards most EHS managers have never heard of. Key Takeaways: NFPA 660 consolidated four separate dust standards in December 2024, requiring facilities to reassess which requirements apply to their … Read more