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Have a client who handles powders, fibers, or dusts? NFPA 652 – Standard on the Fundamentals of Combustible Dust – was approved as a national standard on September 7, 2015, with the requirement that a Dust Hazard Analysis (DHA) be completed at qualifying facilities within 3 years of its adoption. We’re coming up on that deadline. If any sort of dust, powder, or fiber is handled at a facility, it should be tested for combustibility to determine if a requirement for a DHA exists. Keep in mind that just about anything can be combustible if it is small enough! This includes wood dust, textile fibers, sugar, metal dusts, rubber, pharmaceuticals, and more. When in doubt, get it tested, and proceed from there.