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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
  Total 7:15