Furnace department (n†) | 232 | | | | 584 | | | |
Years of exposure (mean/SD) | 7.2 (6.4) | | | | 9.5 (7.3) | | | |
Total dust (mg/m3) | | 9.3 | 3.1 | 18 | | 3.8 | 3.1 | 7.1 |
Respirable dust (mg/m3) | | 1.1 | 2.5 | 1.6 | | 0.55 | 2.5 | 0.84 |
Respirable quartz (mg/m3) | | 0.015 | 3.4 | 0.033 | | 0.0045 | 3.5 | 0.0096 |
Respirable cristobalite (mg/m3) | | 0.014 | 6.3 | 0.074 | | 0.0022 | 4.6 | 0.0072 |
Respirable SiC (mg/m3) | | 0.12 | 4.8 | 0.41 | | 0.064 | 5.4 | 0.27 |
Fibres (fibres/cm3) | | 0.33 | 3.1 | 0.62 | | 0.20 | 2.6 | 0.31 |
Processing department (n†) | 166 | | | | 537 | | | |
Years of exposure (mean/SD) | 9.4 (8.3) | | | | 9.5 (7.3) | | | |
Total dust (mg/m3) | | 12 | 2.1 | 16 | | 5.2 | 2.2 | 7.2 |
Respirable dust (mg/m3) | | 1.0 | 2.3 | 1.4 | | 0.60 | 2.2 | 0.82 |
Respirable quartz (mg/m3) | | 0.0056 | 2.3 | 0.0078 | | 0.0032 | 2.2 | 0.0044 |
Respirable cristobalite (mg/m3) | | 0.0075 | 2.3 | 0.011 | | 0.0019 | 2.2 | 0.0026 |
Respirable SiC (mg/m3) | | 0.67 | 2.9 | 1.2 | | 0.34 | 2.7 | 0.55 |
Fibres (fibres/cm3) | | 0.057 | 2.5 | 0.088 | | 0.030 | 2.5 | 0.047 |
Maintenance department (n†) | 187 | | | | 453 | | | |
Years of exposure (mean/SD) | 9.6 (9.1) | | | | 10.3 (7.8) | | | |
Total dust (mg/m3) | | 5.6 | 1.9 | 6.9 | | 3.5 | 2.1 | 4.7 |
Respirable dust (mg/m3) | | 0.55 | 1.8 | 0.65 | | 0.52 | 2.1 | 0.68 |
Respirable quartz (mg/m3) | | 0.0039 | 1.8 | 0.0046 | | 0.0035 | 2.1 | 0.0047 |
Respirable cristobalite (mg/m3) | | 0.0038 | 1.8 | 0.0046 | | 0.0018 | 2.1 | 0.0023 |
Respirable SiC (mg/m3) | | 0.17 | 1.9 | 0.20 | | 0.12 | 2.0 | 0.15 |
Fibres (fibres/cm3) | | 0.19 | 1.9 | 0.23 | | 0.10 | 2.4 | 0.14 |
Other, low exposed (n†) | 88 | | | | 276 | | | |
Years of exposure (mean/SD) | 12.3 (10.7) | | | | 11.6 (8.7) | | | |
Total dust (mg/m3) | | 0.22 | 3.8 | 0.53 | | 0.11 | 3.5 | 0.24 |
Respirable dust (mg/m3) | | 0.021 | 3.7 | 0.048 | | 0.015 | 3.4 | 0.031 |
Respirable quartz (mg/m3) | | 0.00020 | 3.7 | 0.00047 | | 0.00011 | 3.4 | 0.00023 |
Respirable cristobalite (mg/m3) | | 0.00025 | 3.8 | 0.00062 | | 0.00047 | 3.6 | 0.0011 |
Respirable SiC (mg/m3) | | 0.0077 | 3.7 | 0.018 | | 0.0050 | 3.3 | 0.010 |
Fibres (fibres/cm3) | | 0.0072 | 3.4 | 0.015 | | 0.0044 | 3.3 | 0.0088 |