Article 12 1

(a)

the experience gathered from the implementation of this Regulation;

(b)

the data sets set up by Member States in accordance with Article 11(1) and the Union-wide overview drawn up by the European Environment Agency in accordance with Article 11(3);

(c)

relevant scientific, analytical and epidemiological data;

(d)

technical and scientific knowledge;

(e)

WHO recommendations, where available, or other international guidance or ISO standards.