Table 1 The OSHA Ambient Aerosol (PortaCount) Quantitative (QNFT) Protocol
From: Respirator fit of a medium mask on a group of South Africans: a cross-sectional study
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 |
| Â | Total 7:15 |