Static electricity hazard evaluation

These two quite different operations share the specied hazards that are presented by small, dry particles. These hazards, which relate to surface activity, include static electricity accumulation and the possibility of dust explosions. These can occur in any type of apparatus. No product, therefore, should be dried, ground, or milled without thorough knowledge of its safety-related properties. All of the following must be considered in a hazard evaluation ... 

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