Paragraph 1 I1 Northern Ireland Localisation of excess pollution— (a) region; (b) city (map); and (c) measuring station (map, geographical co-ordinates). Annotations Commencement I1 Sch. 7 para. 1 in operation at 11.6.2010, see reg. 1 ← Schedule 7 Paragraph 1 Paragraph 2 →