http://www.legislation.gov.uk/nisi/2002/3153/article/9The Environment (Northern Ireland) Order 2002texttext/xmlenStatute Law Database2024-01-19Expert Participation2024-01-01The Environment (Northern Ireland) Order 2002Sch. 5 para. 1Clean Neighbourhoods and Environment Act (Northern Ireland) 2011Clean Neighbourhoods and Environment Act (Northern-Ireland) 2011Sch. 4 Pt. 5s. 78art. 2(2)Sch. 2PART IIIAIR QUALITYAir qualityImplementation of DirectiveF19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .