Table 2.
Dust sizes and elemental compositions (wt%).
| Si | Ca | S | Na | Fe | K | Mg | K | Cl | O | |
|---|---|---|---|---|---|---|---|---|---|---|
| Size ≥ 1.2 μm | 12.3 | 7.5 | 1.2 | 2.3 | 1.5 | 1.1 | 2.7 | 1.1 | 0.5 | Bal. |
| Size < 1.2 μm | 10.5 | 8.1 | 3.1 | 3.6 | 1.4 | 1.3 | 1.6 | 143 | 1.2 | Bal. |
| Dust Residues | 9.8 | 7.3 | 2.1 | 2.1 | 0.8 | 1.4 | 1.7 | 1.4 | 1.1 | Bal. |
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.