Table 2.
Bulk dust particle sizes
| Dust | Volume median diameter (μm) |
|---|---|
| ISO Fine | 6.97 |
| ISO Coarse | 36.12 |
| Sand | 30.54 |
| Metal | 11.38 |
| Silica | 2.49 |
| Limestone | 10.89 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.