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4 Posts authored by: gcolonna Employee

In case you missed it - NFPA 652 has been issued by the Standards Council during its meeting in August.  The new standard on fundamentals of combustible dusts can be viewed as a read-only, free access document by going to the document information page and registering if you don't already have access.  To help you with your understanding of this new standard and its development and how it is intended to work with the existing commodity-specific NFPA combustible dust standards, I have included links to a number of helpful resources from this year's C&E - the recording from the educational session in Chicago that I presented (in case you couldn't be in the audience) along with the slides from the presentation.  I believe these will help as you begin to review NFPA 652 and see how to apply it to your facility, in your inspections or surveys, or in working with clients as a consulting engineer or explosion protection/prevention equipment supplier/installer.  And, that's not all - the commodity-specific dust standards remain active as three of them have completed the second draft stage (NFPA 61, 654 and 664) and following the correlating committee meeting at the end of October, the second draft reports will be posted on the respective document information pages.  These three documents are in the Annual 2016 revision cycle, so completion is targeted for summer 2016.  Combustible metals, NFPA 484, is beginning its process with first draft development; they will be in the Annual 2018 cycle for completing the next edition of NFPA 484.  If you are looking for additional resources on the NFPA combustible dust standards, NFPA will be presenting a Live Online session on combustible dusts with Susan Bershad, NFPA Senior Engineer and Staff Liaison for all the NFPA combustible dust project standards.  The webinar format presentation will be December 3 starting at 11:00 am EST.  For more details, check out the NFPA home page at the training and professional development site, or come back to NFPA Xchange.

Back from Chicago, 2015 C&E wrapped up, Technical Meeting completed, and looking at the schedule ahead, I see that the Public Input closing date for Annual 2017 is less than 2 weeks away (and in case you have been too busy to notice, next week is a short week).  Yes, PI Closing Date for A2017 is Monday, July 6, 2015.  So, what documents are in this cycle - quite a few actually.  To save you having to look it up, I have done a quick survey and find 12 of the documents in the industrial and hazardous chemical portfolio: flammable liquids, service stations, stationary combustion engines and gas turbines, fuel gas code, LP gas at utility plants, fluid heaters, merchant vessels, combustible metals and metal dusts, rocketry and display fireworks.  As you might already know, but a quick refresher for you - the access to the "submit PI" link can be reached from any of the document information pages.  So, will get you to the specific document page for NFPA 30, 30A, 37, 51, 54, 59, 87, 301, 484, 1122, 1123, and 1127.  Great to see so many of you in Chicago!  Hope we stay in touch through exChange.

On Monday, Session M47, starting at 11:00 am in S404bc, I will be presenting about NFPA's new combustible dust standard, NFPA 652.  Join me as I discuss the development of this new standard and overview the content and how it relates to the existing, industry or commodity-specific dust standards.  Click here to read more about NFPA 652 and the combustible dust standards. NFPA Journal - Credible Risk, March April 2015

At the NFPA Annual Technical Meeting (Tech Session), Thursday, June 25th beginning at 8:00 am in the S100 Ballroom, NFPA members will hear the discussion of two Certified Amending Motions (CAM) submitted for NFPA 652.  NFPA 652 is the proposed new standard on Fundamentals of Combustible Dust and originally received 6 proposed motions; however, the proponent for four of the motions withdrew theirs so only two remain - 652-5 and 652-6.


  • 652-5 Proposes to delete Chapter 7 on Dust Hazard Analysis
  • 652-6 Proposes to return the entire document to committee


If you are interested in the NFPA combustible dust standards, I hope you will consider attending the Tech Session to follow the final stages in the development of this proposed new standard.  For more detailed information regarding the report of the Motions Committee and the specific CAM for NFPA 652 please click on the link that follows.