Welcome Aboard the Combustible Dust Policy Institute site! In 2012, a preliminary analysis of 2011 NFIRS data indicated 500+ combustible dust related fires and explosions in many sectors throughout the United States with the majority of incidents "near misses." The primary goal of this site concerning the complex subject of combustible dust is to bring forth a situational awareness to global stakeholders, which hopefully will lessen the occurrence and reduce the severity of future accidents.
It would be great if there was a monitor for minimum explosive concentrations (MEC) of combustible dust. Just like there is for LEL of gases and vapors. Which all have the potential for explosive atmospheres as recognized by ATEX in the EU Great post!I
Countries -- China, India, Russia, Brazil -- are no different. They understand the value of making things and selling them to others, the contribution competitive manufacturing makes to stability, economic growth and innovation.
But she was short -- indeed, silent in her opening remarks -- on tax, regulatory and other government-assessed burdens weighing on business, partly explaining why the Big Mitten has lost so many of the jobs she rightly lamented.
Remodeling work continues to present ignition hazards adjacent to combustible dust hazards. The news report does not mention whether the injured worked was a contractor or not. Would flame resistant clothing (FRC'S) minimized the burn injuries?
"He was using a cutting torch to remove some metal, some spark then ignited some old paint dust on the floor and it rapidly spread throughout the interior of the paint booth,"says Corporal Mark Chamberlain, Webster County Sheriff's Office.
Justin Clift, Industrial Market Specialist at Hazard Control Technologies shares with readers at the Industrial Fire Journal an educational article in understanding how to assess, evaluate, and control combustible dust hazards in the workplace. Justin has extensive experience in providing coal fired power plants the professional guidance in minimizing the probability and reducing the severity of combustible dust related fires and explosions. There are dozens of other national industries that also have combustible dust hazards and stakeholders can acquire a basic understanding in how combustible dust hazards develop so as to initiate preventative and mitigative measures using administrative controls and best engineering practices as outlined in the article.
Enlightening topics that are discussed in Justin's very thorough article are float dust, fugitive dust, fire department education on combustible dust hazards, and incident investigation follow-up of combustible dust incidents no matter how minor. Of extreme importance highlighted in the article is the explosive severity, where the Kst of combustible dust can change during the process while transferring from different stages during product movement. This problem is not just specific to the handling of coal but throughout all manufacturer sectors. Do you know the Kst of your raw products during the manufacturing process?
For additional questions specific to your facility or if your facility desires training courses, focusing on Fire Protection/Suppression/Prevention and Emergency Response contact Justin at Hazard Control Technologies
Last month's fire that raged through the Paarl Print Factory in Paarl, South Africa that killed a 13 workers and seriously injured many more was reminiscent of fatalities and injuries that occur in the manufacturing sector here in the USA.
A press release issued by the Chemical, Energy, Paper, Printing, Wood and Allied Workers' Union (CEPPWAWU) spokesperson, Cedric Maluleke stated, "preliminary finding that the initial small fire in the cafeteria was propagated through the building by an ensuing dust explosion. This was fueled by paper dust that had accumulated on the open rafters of the building and which had been raised into the air by the shockwave."
The above description is a textbook example of a deflagration where the pressure wave moves at the speed of sound (768 mph) and a devastating fireball following shortly thereafter. Hopefully we can learn from our global trading partners in minimizing the severity and probability of future combustible dust incidents. Currently the OSHA Dust NEP has failed to list paper industries, like the above example, as a combustible dust hazard in the Appendix of the Dust NEP.
This is quite troubling especially when reviewing the Prerule abstract for the combustible dust rulemaking that the Dust NEP will be the foundation for the rulemaking process. Scary stuff. So who is the wizard behind the curtain at OSHA deciding which national industry (NAICS) has a combustible dust hazard or not? Over 50% of combustible dust incidents last year occurred in national industry's not listed in the Dust NEP.
Without acknowledgment that incidents are occuring in national industries not listed in the Dust NEP, stakeholders are unprepared in dealing with the hazards. The problem is intensified when OSHA Susan Harwood Grant Awardees of Combustible Dust Training also use the Dust NEP as the foundation for their training programs, which omits industries at high risk and types of materials (Did you Know?) that can create combustible dust hazards. Will it take an incident as catastrophic as the South African Paarl Print Factory for the wizard behind the curtain to wake up?
The USA is not the only stakeholder that is at loss with reality through lack of information. Especially when reading the press release from our South African trading partners that,"Dust explosions in industry are relatively rare. They are most often encountered in the coal mining industry and in the grain-handling and processing industries. Coal dust, grain dust and paper dust are inflammable and, when raised into the air, can explode."
So dust explosions are rare and most often only encounteredin coal mining industry and in the grain-handling and processing industries ? I wish that were the case, but last year there were over 30 combustible dust related explosions in the manufacturing and non-manufactruing sectors here in the USA according to media reports. Lessons learnedfrom the tragic incident in South Africa and incidents here on our own shore is that before any rulemaking process can proceed in a manner that protects the workplace is to have an understanding of the the probability and severity of combustible dust related fires and explosions throughout the manufacturing, non-manufacturing and utility sectors.
The current Dust NEP formulated through the Chemical Safety Board recommendations is a start but stakeholders throughout industry still have a long way to go in order to protect the workplace from future fatalities and injuries when dust deflagrations occur.
The Non-Ferrous Founders' Society (NFFS) is forming a task group in preparation for the lengthy OSHA combustible dust rulemaking process. Other national industries should also be forming task groups so as to provide the much needed input to OSHA during the comment period which includes stakeholder meetings that will be held in the future. The ANPRM will be published shortly in the Federal Register so stay tuned for further developments. Are there other national industries (NAICS) forming Combustible Dust Standards Task Groups?
The information in http://dustexplosions.blogspot.com/ is not meant to be a substitute for the Code of Federal Regulations (CFR), Federal Register, and other OSHA documents, which should serve as the primary source of regulatory guidance. The information on this site should not be used in place of appropriate technical or legal advice related to your company's specific circumstances. Combustible Dust Policy Institute tries to provide quality information, but we make no claims, promises or guarantees about the accuracy, completeness, or adequacy of the information contained in or linked to this web site and its associated sites. Combustible Dust Policy Institute has no liability arising from or relating to the use, interpretation, or application of the information or its accuracy or inaccuracy. Copyright notice: All materials in this site are copyrighted by the Combustible Dust Policy Institute. No materials may be directly or indirectly published, posted to Internet and intranet distribution channels, broadcast, rewritten for broadcast or publication or redistributed in any medium without permission.