A Summary of the Reissued OSHA Combustible Dust NEP

The OSHA directive for the inspection of workplaces that create or handle combustible dusts increased activities in outreach, training, the creation and dissemination of guidance and educational materials and cooperative ventures, as well as enhancing its enforcement activities. 

The Combustible Dust National Emphasis Program directive applies to OSHA covered facilities that generate or handle combustible dusts. Combustible dusts are defined as combustible particulate solids that pose a deflagration or other hazard when suspended in air or other oxidizing medium. This includes, but is not limited to:

  • Metal dusts such as aluminum and magnesium
  • Wood dust
  • Coal and other carbon dusts
  • Plastic dust and additives
  • Biosolids
  • Organic dusts such as sugar, paper, soap and dried blood
  • Certain textile dusts


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