Directive 2004/107 / EC of the European Parliament and of the Council of 15 December 2004 on arsenic, cadmium, mercury, nickel and polycyclic aromatic hydrocarbons in ambient air;

Directive 2008/50 / EC of the European Parliament and of the Council of 21 May 2008 on ambient air quality and cleaner air for Europe;

Decision 2011/850 / EC of the European Parliament and of the Council concerning the mutual exchange of information and reporting on ambient air quality; Directives 2004/107 / EC and 2008/50 / EC;

Commission Directive 2015/1480 of 28 August 2015 amending several Annexes to Directives 2004/107 / EC and 2008/50 / EC of the European Parliament and of the Commission laying down rules on reference methods, data validation and the location of points Sampling for the assessment of ambient air quality