Table 2.
Aerosol particle concentrations (μg/m³) in five size fractions measured in test room during physical exercise on stationary bicycle in 5-min intervals during 30 min. Exo = exogeneous aerosol particles; Endo = endogenous (i.e. saliva) aerosol particles.
| Subject | t (min) | PM10-PM2.5 (μg/m³) |
PM2.5-PM1 (μg/m³) |
PM1-PM0.5 (μg/m³) |
PM0.5-PM0.25 (μg/m³) |
PM0.25 (μg/m³) |
|||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| exo | endo | Exo | endo | exo | endo | exo | endo | exo | endo | ||
| 1 | 5 | 0.63 | 0.00 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| 10 | 0.08 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 15 | 0.00 | 0.00 | 0.11 | 0.00 | 0.01 | 0.01 | 0.01 | 0.00 | 0.00 | 0.00 | |
| 20 | 0.06 | 0.00 | 0.21 | 0.00 | 0.06 | 0.00 | 0.02 | 0.01 | 0.00 | 0.00 | |
| 25 | 0.49 | 0.00 | 0.31 | 0.00 | 0.10 | 0.01 | 0.03 | 0.01 | 0.01 | 0.00 | |
| 30 | 0.20 | 0.00 | 0.45 | 0.00 | 0.18 | 0.03 | 0.06 | 0.02 | 0.01 | 0.01 | |
| 2 | 5 | 1.04 | 0.00 | 0.22 | 0.03 | 0.03 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 |
| 10 | 0.74 | 0.37 | 0.31 | 0.01 | 0.04 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | |
| 15 | 0.50 | 0.18 | 0.30 | 0.06 | 0.05 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | |
| 20 | 0.59 | 0.00 | 0.36 | 0.06 | 0.06 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | |
| 25 | 0.52 | 0.54 | 0.38 | 0.06 | 0.09 | 0.00 | 0.02 | 0.00 | 0.01 | 0.00 | |
| 30 | 0.40 | 0.67 | 0.39 | 0.07 | 0.11 | 0.00 | 0.03 | 0.00 | 0.01 | 0.00 | |
| 3 | 5 | 0.52 | 0.91 | 0.10 | 0.24 | 0.02 | 0.05 | 0.01 | 0.01 | 0.00 | 0.01 |
| 10 | 1.35 | 0.21 | 0.29 | 0.11 | 0.03 | 0.05 | 0.01 | 0.01 | 0.00 | 0.01 | |
| 15 | 1.04 | 1.72 | 0.36 | 0.24 | 0.05 | 0.05 | 0.01 | 0.01 | 0.00 | 0.00 | |
| 20 | 1.33 | 0.89 | 0.47 | 0.24 | 0.07 | 0.08 | 0.02 | 0.01 | 0.00 | 0.01 | |
| 25 | 1.16 | 1.15 | 0.43 | 0.34 | 0.09 | 0.06 | 0.02 | 0.01 | 0.01 | 0.01 | |
| 30 | 0.98 | 0.81 | 0.47 | 0.27 | 0.10 | 0.08 | 0.03 | 0.01 | 0.00 | 0.01 | |