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Averaging period | Limit value | Margin of tolerance | Date by which limit value is to be met | |
---|---|---|---|---|
Annual limit value for the protection of human health | Calendar year | 0.5 μg/m3 | 0.4 μg/m3 on 19th July 2001, reducing on 1st January of each following year by equal annual amounts to reach 0 μg/m3 by 1st January 2005 | 1st January 2005 |
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