Table 2 Gravimetrical aerosol concentrations and mass median aerodynamic diameter (MMAD)
Target concentration (mg/m3) | NM-103 | NM-104 | NM-105 | NM-103 | NM-104 | NM-105 | NM-103 | NM-104 | NM-105 |
|---|---|---|---|---|---|---|---|---|---|
low 3 | mid 12 | high 48 | |||||||
Aerosol concentrations (mg/m3) | |||||||||
Mean ± SD N = 24 | 3.06 ± 0.18 | 3.22 ± 0.40 | 3.17 ± 0.21 | 12.13 ± 0.25 | 12.23 ± 1.48 | 12.31 ± 1.62 | 49.70 ± 8.20 | 47.70 ± 7.60 | 47.70 ± 4.80 |
MMAD (µm) | |||||||||
Mean | 1.17 | 1.00 | 0.62 | 1.03 | 0.91 | 0.83 | 0.62 | 1.57 | 0.59 |
GSD | 2.92 | 3.94 | 4.79 | 2.64 | 3.26 | 4.02 | 4.27 | 3.50 | 6.19 |
N | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 |