Regulation 10 RevocationI1 Northern Ireland The Quarries (Explosives) Regulations (Northern Ireland) 1991f1 are hereby revoked. Annotations Commencement I1 Reg. 10 in operation at 1.8.2006, see reg. 1 Footnotes f1 S.R. 1991 No. 233 ← Regulation 9 Regulation 10 Regulation 11 →