Particle size distribution for Montserrat and Antigua respirable dusts in comparison with their major mineral components
| ESD | Mon 1 | Mon 2 | Antigua | Ano | Lab | Cris/obs | Cris | DQ12 |
|---|---|---|---|---|---|---|---|---|
| Results expressed as percentages. | ||||||||
| Mon 1, Montserrat 1; Mon 2, Montserrat 2; Ano, anorthite; Lab, labradorite; Cris/obs, cristobalite/obsidian. | ||||||||
| ESD, equivalent spherical diameter. | ||||||||
| 0.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0.15 | 12 | 12 | 12 | 28 | 10 | 20 | 10 | 5 |
| 0.2 | 14 | 22 | 6 | 9 | 10 | 11 | 6 | 8 |
| 0.3 | 22 | 25 | 18 | 17 | 23 | 17 | 7 | 27 |
| 0.4 | 11 | 11 | 14 | 12 | 17 | 8 | 6 | 15 |
| 0.5 | 7 | 7 | 9 | 9 | 10 | 4 | 8 | 11 |
| 0.75 | 9 | 8 | 15 | 10 | 11 | 12 | 22 | 16 |
| 1 | 5 | 4 | 8 | 6 | 5 | 7 | 13 | 6 |
| 2 | 11 | 5 | 14 | 6 | 8 | 16 | 18 | 11 |
| 3 | 5 | 3 | 3 | 2 | 3 | 4 | 5 | 0 |
| 4 | 1 | 1 | 1 | 1 | 2 | 1 | 2 | 0 |
| 5 | 1 | 0 | 0 | 1 | 1 | 0 | 1 | 0 |
| More | 0 | 1 | 0 | 1 | 1 | 1 | 1 | 0 |