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Are there any major safety risks of PLA plastic?

If you are concerned about inhalation (and I think you should be), you should use a hierarchy of controls to mitigate the risk. NIOSH (part of the CDC) have a good document outlining how to mitigate ...
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Are there any major safety risks of PLA plastic?

Extrusion of PLA through a nozzle can cause microparticles to be generated (referenced as "dust" in your document) which can be temporarily airborne. If ingested through breathing for an ...
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