27.—(1) In this Part—
“action plan” shall be construed in accordance with Article 13(2)(b);
“air” means ambient air;
“air quality objectives” means objectives prescribed by virtue of Article 15(2)(b);
“air quality review” means a review under Article 11 or 14;
“air quality standards” means standards prescribed by virtue of Article 15(2)(a);
“ambient air” means outdoor air in the troposphere, excluding work places;
“competent authority” means a Northern Ireland department, a district council or any other public body;
“designated area” has the meaning given by Article 12(1);
“notice” means notice in writing;
“pollution control statutory provisions” means—
this Part and any regulations made under it; and
regulations made under section 2(2) of the European Communities Act 1972 (c. 68) to the extent that the regulations relate to air pollution;
“prescribed” means prescribed by regulations;
“public body” means a body established or constituted by or under a statutory provision
“regulations” means regulations made by the Department;
“relevant authority” in the case of any provision of this Part, means such competent authority as may be prescribed for the purposes of that provision;
“the relevant period” in the case of any provision of this Part, means such period as may be prescribed for the purposes of that provision;
“the strategy” has the meaning given by Article 10(1).
(2) Any reference in this Part to it appearing that any air quality standards or objectives are not likely within the relevant period to be achieved includes a reference to it appearing that those standards or objectives are likely within that period not to be achieved.