Combustible Dusts

OSHA moving closer to a General Industry COM DUST standard

Occupational Safety and Health Administration (OSHA) has initiated rulemaking to develop a combustible dust standard for general industry. OSHA will use information gathered, including from an upcoming SBREFA panel, to develop a comprehensive standard that addresses combustible dust hazards.  CLICK HERE for the May 2016 OMB’s Office of Information and Regulatory Affairs (OIRA) posting.

What is a DHA?

DHA is an acronym from NFPA’s 652, Standard on the Fundamentals of Combustible Dust, 2016 Edition. This NFPA standard came out in 2015 and is VERY MUCH in line with OSHA’s process safety principles, in that it outlines how combustible dust hazards are to be identified and managed. One of these management tools is a

Breaking down NFPA’s 652 requirements

I have received quite a few e-mails and phone calls asking about NFPA 652: Standard on the Fundamentals of Combustible Dust, 2016 Edition and what it means to those it applies to.  This article will try and break down the basic requirements which can be put into four (4) categories.  PLEASE NOTE, this article assumes that

OSHA memo Evaluating Hazardous Levels of Accumulation Depth for Combustible Dusts (4/21/15)

April 21, 2015 MEMORANDUM FOR: REGIONAL ADMINISTRATORS THROUGH: DOROTHY DOUGHERTY Deputy Assistant Secretary FROM: THOMAS GALASSI, Director Directorate of Enforcement Programs SUBJECT: Evaluating Hazardous Levels of Accumulation Depth for Combustible Dusts   The purpose of this memorandum is to provide guidance in calculating the levels of dust accumulations that may be allowed at workplaces for

Ohio Combustible Dust Rule (1301:7-7-13 Combustible dust-producing operations)

(A) Section 1301 General (1) 1301.1 Scope. The equipment, processes and operations involving dust explosion hazards shall comply with the provisions of this rule. (2) 1301.2 Permits. Permits shall be required for combustible dust-producing operations as set forth in rule 1301:7-7-01 of the Administrative Code. (B) Section 1302 Definitions (1) 1302.1 Definition. The following word

Poor Design and Failure to Test Dust Collection System Among Causes of Flash Fire that Burned Seven Workers in 2012 (CSB)

The flash fire that burned seven workers, one seriously, in 2012 resulted from the accumulation of combustible dust inside a poorly designed dust collection system that had been put into operation only four days before the accident.  The CSB  investigation team concludes that the system was so flawed it only took a day to accumulate

UPDATE: “Evidence suggests blast caused International Nutrition accident” as reported by Omaha Herald

UPDATE on 7/21/14 – The Jan. 20 structural collapse was caused by overloading nine storage bins on the building’s roof level, an OSHA investigation has found. The collapse at the livestock feed supplement manufacturer caused the death of two workers and injuries to nine others.  The investigation determined a structural failure of the east side truss,

Storage Practices: Grain Elevator Explosions (USFA)

As end-of-summer harvest time nears, grain storage facilities will be gearing up to accept crops from farmers’ fields. Many of these products produce combustible dusts that can result in catastrophic explosions when there is a suitable mix of air and fuel, as well as an ignition source such as a hot bearing, overheated motor, misaligned

Dust Explosion or Collapse leading to explosion

Today in Omaha, NE there was an industrial accident at a business where one would expect to find combustible dusts. The accident resulted in several employees being treated for burns and there are two confirmed fatalities as of this evening. And although, we were quick to point out this accident may have involved a combustible

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