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January 15, 2025

Combustible Dust Series: Part 8 – NFPA 660: The New Standard for Combustible Dust

As of December 6, 2024, NFPA 660 Standard for Combustible Dusts and Particulate Solids is the presiding standard for combustible dust hazard prevention and safety information. It is a consolidated standard, which combines information from existing standards NFPA 61, NFPA 484, NFPA 652, NFPA 654, NFPA 655, and NFPA 664. […]
September 14, 2022

Combustible Dust Series: Part 5 – What are the NFPA Requirements for FR Clothing?

As we learned in Part 4 of this series, both NFPA 652, Standard on the Fundamentals of Combustible Dust, and OSHA’s Combustible Dust National Emphasis Program (NEP) clearly state that flame resistant (FR) clothing is required to be worn where a combustible dust hazard has been identified. We also touched […]
August 23, 2022

Combustible Dust Series: Part 4 – Is FR Clothing Needed for a Combustible Dust Hazard?

In Part 3 of this series, we learned about the specified methods to mitigate combustible dust hazards, including building design, equipment design, controlling ignition sources, and dust control measures. But what happens if, despite all mitigation efforts, a combustible dust flash fire or explosion occurs? What is the last line […]
August 9, 2022

Combustible Dust Series: Part 3 – What Are the Mitigation Methods for Combustible Dust?

In Part 2 of this series, we learned that NFPA 652, Standard on the Fundamentals of Combustible Dust, provides basic principles and requirements regarding identifying and managing flash fire and explosion hazards due to combustible dust. NFPA 652 requires owners to conduct a Dust Hazard Analysis (DHA) where combustible dusts […]
July 26, 2022

Combustible Dust Series: Part 2 – What Is a Dust Hazard Analysis?

As we learned in Part 1 of this series, catastrophic flash fires and explosions can occur from the ignition of airborne dust composed of material that may not be flammable except when in the form of powder. Recognizing and understanding the potential combustibility of dust present in a facility is […]
August 9, 2019

How to Protect Against a Combustible Dust Hazard

Of the many hazards workers can encounter, one that is easily overlooked is combustible dust. This hazard is present wherever materials are manufactured, refined, or re-purposed when dust is created as a byproduct. In certain conditions this dust can create a flash fire which can seriously injure and cause fatalities […]
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