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Environmental mercury vapor samplings and percentage of mercury airborne levels exceeded (% OELs).
| Personal and area samplings | µg/m3 TWA | |||||
|---|---|---|---|---|---|---|
| n | Mean | Median | Min | Max | Number of mercury airborne levels exceeded (% OELs) |
|
| Chairs | 24 | 9.42 | 5.70 | 0.20 | 31.10 | 2 (8.3) |
| Amalgam storages | 17 | 19.28 | 18.00 | 10.00 | 29.00 | 6 (35.3) |
| Preparation areas | 17 | 8.88 | 10.50 | 0.70 | 20.50 | 2 (11.8) |
| Total areas samplings | 58 | 8.58 | 6.40 | 0.20 | 29.00 | 10/58 (17.3) |
| Personal air samplings | 124 | 15.60 | 12.20 | 2.00 | 38.00 | 22/124 (17.7) |
