| Nebulizer | Number of Treatments | Pre rinse CFUs/mL | Post rinse CFUs/mL | Color and Morphology |
| 1 | 36 | 1 | 0 | White, Circular |
| 2 | 33 | 1 | 0 | White, Circular |
| 3 | 9 | 0 | 0 | |
| 4 | 18 | 0 | 0 | |
| 5 | 10 | 1 | 0 | Brown, Large |
| 6 | 34 | 0 | 0 | |
| 7 | 13 | 2 | 0 | Brown/gray, Large |
| 8 | 19 | 0 | 0 | |
| 9 | 13 | 0 | 0 | |
| 10 | 5 | 1 | 0 | White, Circular |
| MEAN | 19 | 0.6 | 0 | |
| STANDARD DEVIATION | 10.77 | 0.66 | 0 | |