PART 3Duties of Northern Ireland departments in relation to limit values etc

Duty in relation to long-term objectives for ozone21

1

Northern Ireland departments shall ensure that all necessary measures not entailing disproportionate cost are taken to attain the long-term objectives for ozone set out in Schedule 4.

2

In zones where the long-term objectives for ozone have been attained, Northern Ireland departments shall, insofar as factors including meteorological conditions and the transboundary nature of ozone pollution permit—

a

ensure that they continue to be met;

b

maintain the best ambient air quality compatible with sustainable development; and

c

maintain a high level of protection for the environment and human health.