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The OSHA Ambient Aerosol (PortaCount) Quantitative (QNFT) Protocol
| Exercise/Activity | Time (min) |
|---|---|
| 1 Normal breathing | 1:00 |
| 2 Deep breathing | 1:00 |
| 3 Turning head side to side | 1:00 |
| 4 Moving head up and down | 1:00 |
| 5 Talking | 1:00 |
| 6 Grimace | 0:15 |
| 7 Bending over | 1:00 |
| 8 Normal breathing | 1:00 |
| Total 7:15 | |
