In case you missed it, NFPA published their new COM DUST standard last month. This FIRST edition of NFPA 652, Standard on Combustible Dusts (link to free access), was issued by the Standards Council on August 18, 2015, with an effective date of September 7, 2015. NFPA 652, Standard on the Fundamentals of Combustible Dust, provides the general requirements for management of combustible dust fire and explosion hazards and directs the user to NFPA’s industry- or commodity-specific standards, as appropriate: