Environmental measurements of mercury in surgeries
| Time weighted average (μg/m3) | ||||||
|---|---|---|---|---|---|---|
| Measurement area | Surgeries (n) | Mean | SD | Median | Minimum | Maximum |
| Chair | 180 | 28.9 | 32.0 | 16.3 | 0 | 236 |
| Skirting | 180 | 38.9 | 52.9 | 21.2 | 0 | 484 |
| Mixing device | 110 | 37.8 | 47.2 | 21.0 | 0 | 289 |
| Capsule storage and preparation | 43 | 15.2 | 19.0 | 10.3 | 0 | 122 |
| Waste amalgam storage | 163 | 10.7 | 8.2 | 8.3 | 0 | 47 |
| Autoclave | 66 | 11.7 | 9.0 | 8.7 | 0 | 56 |
| Preparation area | 179 | 10.4 | 9.6 | 8.0 | 0 | 89 |
| Dosimeter | 153 | 29.2 | 48.8 | 15.0 | 0 | 452 |
| Air | 112 | 6.5 | 3.8 | 5.7 | 1 | 24 |