Combustible Dusts

OSHA’s use of NFPA standards in their enforcement of Combustible Dusts hazards

OSHA has been piece-mealing its own standards along with NFPA standards to formulate a Combustible Dusts National Emphasis Program (NEP) since the 2008 Port Wentworth, GeorgiaSugar Refinery explosion.   There is always some confusion about OSHA using consensus standards outside of their own safety standards and when it comes to Com Dust enforcement, they rely heavily…...

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OSHA’s Top 10 Indicators that a combustible dust hazard may be present

Ever wonder what an OSHA Compliance Safety and Health Officer (CSHO) looks for to establish that a combustible dust hazard may be present?  Here are the top 10 indicators they look for when wondering if the business has a Combustible Dust…… Membership Required You must be a member to access this content.View Membership LevelsAlready a...

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OSHA updated their Technical Manual for Combustible Dusts

During the pandemic, OSHA’s Combustible Dust team was updating OSHA’s Technical Manual with a new chapter on Combustible Dust.  If you are looking to learn more about the hazards of Com Dusts, this would be a great starting point for your reading.  And if your business manages Com Dusts, this is a MUST READ.  The…...

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NFPA updates 499 (Combustible Dust) with a new definition of combustible flyings

NFPA updated NFPA 499: Recommended Practice for the Classification of Combustible Dusts and of Hazardous (Classified) Locations for Electrical Installations in Chemical Process Areas (2021 edition) with a revised definition of “combustible flyings”…. Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

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2021 IFC rewrites CHAPTER 22 Combustible Dust-Producing Operations

The 2021 edition of the International Fire ode (IFC) basically re-wrote the entire chapter on Combustible dust; which is a major improvement from the 2018 edition.  Here are the highlights from the 2021 IFC, Chapter 22 – Combustible Dust-Producing Operations…… Membership Required You must be a member to access this content.View Membership LevelsAlready a member?...

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The 8th Revision of the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) list some interesting ignition sources

In the most recent revision of the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), they list some very interesting potential ignition sources for dust explosions; several I have never ever even considered being an ignition source.  Check these out…… Membership Required You must be a member to access this content.View Membership LevelsAlready...

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The 8th Revision of the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) list some interesting ignition sources Read More »

Did the 2018 IFC just codify NFPA 652?

For many of us, it will be coming!  Most states in the USA adopt the International Fire Code (IFC) as their Fire Code and HAZMAT Code; although most adopt a “revised” version of the IFC and most states run anywhere from 5-15 years behind the actual IFC.  For example, my home state of OH just…...

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Combustible Dust Articles INDEX (51 articles as of 6/30/21)

Combustible Dusts accumulations limitations OSHA’s use of NFPA standards in their enforcement of Combustible Dusts hazards OSHA’s Top 10 Indicators that a combustible dust hazard may be present OSHA updated their Technical Manual for Combustible Dusts NFPA updates 499 (Combustible Dust) with a new definition of combustible flyings 2021 IFC rewrites CHAPTER 22 Combustible Dust-Producing…...

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Proposes Over $1.8 Million in Fines Against a Corn Milling Facility After Fatal Grain Dust Explosion

OSHA has proposed $1,837,861 in fines against a corn milling facility following a May 31, 2017, explosion that killed five workers and injured 12 others, including a 21-year-old employee who suffered a double leg amputation after being crushed by a railcar. OSHA found that the explosion likely resulted from failures to correct the leakage and…...

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OSHA clarifies the NRTL listing/approval requirements for non-electrical vacuum cleaners used in combustible dust atmospheres (OSHA LOI)

Scenario: Some equipment manufacturers believe that all equipment used in combustible dust atmospheres, including non-electrically powered vacuum cleaners, requires NRTL listing/approval. Question: Could OSHA clarify the NRTL listing/approval requirements for non-electrical vacuum cleaners used in combustible dust atmospheres?… Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in...

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OSHA issues Combustible Dust Citations (Wood Dust & $20K)

Safety Order 01 Item 001 Type of Violation: Serious; $4,000 IC 22-8-1.1 Section 2: The employer did not establish and maintain conditions of work which were reasonably safe and healthful for employees, and free from recognized hazards that were causing or likely to cause death or serious physical harm to employees in that employees were…...

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Dust Explosion during transfer of Aluminum Powder (Static Electricity)

In November 2015, an operator at an explosives manufacturing plant was tasked with transferring aluminium grit atomised powder (aluminium powder) from a flexible intermediate bulk container (IBC) outside the plant to the hopper inside the plant. Using a pneumatically-driven vacuum suction pump and transfer pipe work (which incorporated five metres of PVC piping) the operator successfully transferred part of…...

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