Personal measurements (mg/m3) | N | AM | SD | GM | GSD | Min | Max |
---|---|---|---|---|---|---|---|
Respirable dust | 72 | 1.3 | 2.05 | 0.57 | 3.5 | 0.058 | 11 |
Respirable dust, resp. adj | 72 | 0.65 | 0.57 | 0.43 | 2.8 | 0.058 | 2.5 |
Respirable quartz | 72 | 0.066 | 0.18 | 0.016 | 4.6 | 0.0012 | 1.0 |
Respirable quartz, resp. adj | 72 | 0.020 | 0.022 | 0.011 | 3.4 | 0.0011 | 0.10 |
Stationary measurements (mg/m3) | |||||||
Inhalable dust | 24 | 4.7 | 6.62 | 3.1 | 2.8 | 0.77 | 35 |
Respirable dust | 24 | 1.14 | 0.95 | 0.83 | 2.2 | 0.22 | 3.7 |
Respirable quartz | 24 | 0.026 | 0.032 | 0.014 | 3 | 0.0018 | 0.14 |
PM10 | 24 | 2.74 | 2.47 | 2.1 | 2.1 | 0.54 | 11.7 |
PM2.5 | 24 | 1.52 | 2.39 | 0.81 | 2.8 | 0.16 | 11.7 |
PM1 (ultrafine) | 24 | 0.40 | 0.41 | 0.26 | 2.6 | 0.040 | 1.84 |
Total particle area | |||||||
(A-trak) µm2/cm3 | 24 | 560 | 576 | 311 | 3.3 | 32 | 2600 |
Particle number | |||||||
(P-trak)/cm3 | 24 | 134 774 | 111 109 | 90 245 | 2.6 | 15 800 | 467 600 |