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.
EEA standard re-use policy: unless otherwise indicated, re-use of content on the EEA website for commercial or non-commercial purposes is permitted free of charge, provided that the source is acknowledged (http://www.eea.europa.eu/legal/copyright). Copyright holder: European Environment Agency (EEA).
Look for ways to reduce the energy consumption for heating and cooling, for example by sealing windows and doors, insulation or changing the windows. Today it is possible to build ‘carbon neutral’ houses.
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