Paragraph 1.1 Limit values for sulphur dioxide
England and Wales
| Averaging period | Limit value | Margin of tolerance M1 | Date by which limit value is to be met | |
|---|---|---|---|---|
1.Hourly limit value for the protection of human health | 1 hour | 350μg/m3, not to be exceeded more than 24 times a calendar year | 60μg/m3 on 1st January 2003, reducing on 1st January of each following year by equal annual amounts to reach 0μg/m3 by 1st January 2005 | 1st January 2005 |
2.Daily limit value for the protection of human health | 24 hours | 125μg/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) | 20μg/m3 | None |
Annotations
Marginal citations
- M1
The figures for Margins of Tolerance for each of the relevant pollutants given in this Schedule are calculated from those given in Annex I of Directive 99/30/EC and Annexes I and II of Directive 2000/69/EC.