Explosion venting Dust Explosion Statistics Dust explosions occur randomly and there is generally little data available to analyse their cause, effects and incident rate. A 1989 paper presented by B Porter at Dust Explosions:Assessment, Prevention and Protection offers perhaps the best documented set of dust explosion statistics in the public domain. The data below is shown in the form of  stacked bar charts and offers insight into the incident consequences, dust type, sources of ignition leading to dust explosions and the primary explosion location. Outcome of the Incident (Fire & Explosion) Analysis by Dust Type Location of Primary Dust Explosion Store Products © copyright 2011 . Ignition Source for Dust Explosion