Protecting Workers from Combustible Dust Explosion Hazards

In this new Fact Sheet OSHA reminds us combustible dusts shall be collected by using a “properly designed, installed, approved and maintained dust collection system.” Portable vacuum cleaners shall be NRTL certified and classified for the type of dust it will be used. For example: for the collection of metal dust (such as aluminum in an automobile repair shop) a vacuum cleaner shall be classified for Class II Group E.

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