https://www.avient.com/sites/default/files/resources/FAQs%2520for%2520PolyOne%2520GHS%2520Requirements%2520Ver%252006%2520April%25202015.pdf
While pellets may be large
particles on the scale of fractions of an inch and not likely to be airborne, they may become worn
mechanically, and fines of the compound may be formed.