Division 2.2.2 Explosive atmospheres caused by air/dust mixtures United Kingdom Original text. Later amendments are not shown. 2.2.2.1Division 2.2.2.1 2.2.2.2Division 2.2.2.2 2.2.2.3Division 2.2.2.3 2.2.2.4Division 2.2.2.4 ← Division 2.2.1.3 Division 2.2.2 Division 2.2.2.1 →