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1.1
Averaging period | Limit value | Margin of tolerance(1) | Date by which limit value is to be met | |
---|---|---|---|---|
1. Hourly limit value for the protection of human health | 1 hour | 350 µg/m3, not to be exceeded more than 24 times a calendar year | 60 µg/m3, reducing to 30 µg/m3 on 1st January 2004 and to 0 µg/m3 on 1st January 2005 | 1st January 2005 |
2. Daily limit value for the protection of human health | 24 hours | 125 µg/m3, not to be exceeded more than 3 times a calendar year | None | 1st January 2005 |
3. Limit value for the protection of ecosystems | Calendar year and winter (1st October to 31st March) | 20 µg/m3 | None | 19th July 2001 |
The figures for margins of tolerance for each of the relevant pollutants given in this Schedule are calculated from those given in Annexes I to IV of Directive 99/30/EC.
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