Preliminary and application
4.—(1) This Part applies in respect of the following pollutants—
(a)Group A pollutants;
(b)Group B pollutants; and
(c)ozone.
(2) The National Assembly must ensure that all measures taken under Chapter 2 or 3 of this Part—
(a)take into account an integrated approach to the protection of air, water and soil; and
(b)have no significant negative effects on—
(i)any other member State, or
(ii)any other part of the United Kingdom.