Dust Hazard Analysis (DHA) requirements are similar to Process Hazards Analysis (PHA) requirements. DHAs must evaluate the fire, deflagration and explosion hazards and recommend protections. DHAs must also be performed or led by a qualified person. DHAs also must be documented and the action items requiring changes must be included in the study. The accuracy of the DHA analysis is dependent upon knowing the accurate particle size, moisture content, and chemical composition. Changes in any of those parameters means a material can go from being defined as explosible to non-explosible very quickly. This presentation reviews the compliance requirements of NFPA 652, as well as OSHA, and illustrates ioKinetic's Recognized And Generally Accepted Good Engineering Practices (RAGAGEP) approach to dust hazard assessments.
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