| |
Averaging period |
Limit value |
Date by which limit is to be met |
| Stage 1 |
| 1. 24 h limit value for protection of human health |
24 hour |
50 µg m-3 not to be exceeded more than 35 times per year |
1 January 2005 |
| 2. Annual limit value for protection of human health |
cal. year |
40 µg m-3 |
1 January 2005 |
| Stage 2 * |
| 1. 24 h limit value for protection of human health |
24 hour |
50 µg m-3 not to be exceeded more than 7 times per year |
1 January 2010 |
| 2. Annual limit value for protection of human health |
cal. year |
20 µg m-3 |
1 January 2010 |
* To be reviewed in the light of further information and experience.