Table 2 Stationary and personal concentrations of particles and gaseous pollutants measured at the different workplaces during two consecutive days of an 8-hour period of shift (day or night shift as indicated).
Parameter | Depot 1 day | Depot 2 day | Depot 2 night | Depot 2a day | Depot 3 day | Depot 3 night |
|---|---|---|---|---|---|---|
Stationary measurements b | ||||||
PM4 [μg/m3] | 71 ± 11 | 52 ± 2 | 32 ± 15 | 59 ± 12 | 43 ± 3 | 25 ± 9 |
OC [μg/m3] | 29 ± 2 | 24 ± 2 | 30 ± 4 | 35 ± 4 | 26 ± 0 | 16 ± 6 |
EC [μg/m3] | 16 ± 1 | 7 ± 1 | 7 ± 1 | 7 ± 2 | 7 ± 1 | 6 |
Fe [ng/m3] | 1280 ± 173 | 2346 ± 292 | 1053 ± 679 | 2907 ± 1213 | 323 ± 100 | 1459 ± 1454 |
Cu [ng/m3] | 105 ± 51 | 48 ± 23 | 17 ± 5 | 186 ± 53 | 12 ± 2 | 75 ± 86 |
Mn [ng/m3] | 9 ± 3 | 27 ± 1 | 13 ± 8 | 29 ± 1 | 25 ± 33 | 13 ± 14 |
B[a]Peq [ng/m3] | 9.6 ± 0.8 | 0.85 ± 0.2 | 0.40 ± 0.3 | 1.6 ± 0.2 | 1.1 ± 0.1 | 0.2 ± 0.1 |
NO [ppb] | 431 ± 69 | n.ac | n.a | 781 ± 99 | 445 ± 218 | 176 ± 98 |
NO2 [ppb] | 117 ± 11 | n.a | n.a | 136 ± 13 | 31 ± 16 | 17 ± 9 |
NOx [ppb] | 547 ± 79 | n.a | n.a | 917 ± 112 | 476 ± 234 | 192 ± 107 |
O3 [ppb] | 1.4 ± 0.2 | 2.3 ± 0.1 | 4.3 ± 0.8 | 1.7 ± 0.9 | 4.3 ± 4.7 | 12.9 ± 4.9 |
Personal measurements d | ||||||
PM4 Non smoker | 99 ± 49 (12) | 73 ± 50 (6) | 125 ± 181 (8)e | 69 ± 52 (12) | 59 ± 47 (6) | 56 ± 41 (2) |
PM4 Smoker | 275 ± 195 (2) | 182 ± 97 (4) | 159 ± 88 (4) | 164 ± 54 (4) | 103 ± 8 (2) | 150 ± 81 (2) |
OC Non smoker | 43 ± 12 (12) | 34 ± 7 (6) | 43 ± 12 (8) | 48 ± 16 (12) | 35 ± 14 (6) | 37 ± 1 (2) |
OC Smoker | 85 ± 31 (2) | 107 ± 71 (4) | 137 ± 63 (4) | 97 ± 34 (4) | 68 ± 8 (2) | 95 ± 55 (2) |
EC Non smoker | 11 ± 3 (12) | 7 ± 2 (6) | 5 ± 3 (8) | 7 ± 2 (12) | 7 ± 3 (6) | 2 ± 1 (2) |
EC Smoker | 14 ± 4 (2) | 13 ± 13 (4) | 11 ± 5 (4) | 10 ± 3 (4) | 9 ± 1 (2) | 7 ± 6 (2) |