Regulation 24 Duty of Northern Ireland departments to limit exposure to PM2.5I1

Northern Ireland departments shall ensure that all necessary measures not entailing disproportionate costs are taken in relation to Northern Ireland with a view to attaining the national exposure reduction target by 2020.

Northern Ireland departments shall ensure that all appropriate measures are taken in Northern Ireland with a view to ensuring that the average exposure indicator for 2015 does not exceed 20 µg/m³.