This content has been archived on 04 Sep 2014, reason:
(New version data-and-maps/figures/nickel-annual-target-value-4 was published)
In the directive 2004/107/EC (Fourth Daughter Directive), the EU has set a target value for nickel (Ni) for the protection of human health: the Ni annual mean value may not exceed 20 nanograms per cubic metre (ng/m3). The target value enters into force 31.12.2012.
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