# Directive 2004/107/EC of the European Parliament and of the Council of 15 December 2004 relating to arsenic, cadmium, mercury, nickel and polycyclic aromatic hydrocarbons in ambient air, Annex IV: Data quality objectives and requirements for air quality models

Extent: E+W+S+N.I.



---
Source: https://www.legislation.gov.uk/eudr/2004/107/annex/IV (the official version)
Page: https://openlegislation.uk/eu-directive-2004-107/annex-IV
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.