Regulation 30 RevocationsI1 Northern Ireland The Air Quality Standards Regulations (Northern Ireland) 2007f1 are revoked. Annotations Commencement I1 Reg. 30 in operation at 11.6.2010, see reg. 1 Footnotes f1 S.R. 2007 No. 265 ← Regulation 29 Regulation 30 Signature →