Deutsche Gesellschaft für
Technische Zusammenarbeit (GTZ) GmbH
Convention Project Chemical Safety
31
For
solids, evaluate the dustiness:
Low: Pellet-like
solids, does not break up
Little dust during use
Little dust during use
Medium: Crystalline, granular solids
Dust settles quickly, left on surfaces
Dust settles quickly, left on surfaces
High: Fine, light powders.
Dust clouds form & remain in the air several minutes
Dust clouds form & remain in the air several minutes
Factor
3 – what level of dustiness or volatility?
- how much of the chemical gets into the air
- how much of the chemical gets into the air