NIOSH has released four guidance documents intended to “provide options” for employers to better protect workers exposed to nanomaterials.

Nanomaterials – materials that have at least one dimension (height, width or length) that is smaller than 100 nanometers – are chemical substances whose microscopic size gives them properties they do not possess in their larger form. These properties are used in numerous commercial products to strengthen them, make them weigh less, or keep them colder or hotter.

So recent is the commercial use of nanomaterials – approximately the turn of the century – that data on their long-term health effects and guidance for worker safety is limited. NIOSH states that workers exposed to nanomaterials may inhale nanoparticles, posing a potential respiratory hazard.

To help employers minimize exposures during common processes and tasks, the agency published:

Workplace Design Solutions: Protecting Workers during Nanomaterial Reactor Operations

Workplace Design Solutions: Protecting Workers during the Handling of Nanomaterials

Workplace Design Solutions: Protecting Workers during Intermediate and Downstream Processing of Nanomaterials

Controlling Health Hazards When Working with Nanomaterials: Questions to Ask Before You Start (a graphic poster)


“Researching, developing and utilizing these nano properties is at the heart of new technology, just as worker safety is at the heart of what we do at NIOSH,” NIOSH Director John Howard said in a March 12 press release. “The information contained in these new workplace design solution documents provide employers with strategic steps toward making sure their employees stay safe while handling nanomaterials.”

Each workplace design document offers tips on the design, use and maintenance of exposure controls for production, post-processing and use. The poster is designed to guide workers on how to prevent exposures to nanomaterials.

National Safety Council. Posted: April 04, 2018.


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