3. For regulation 3(3)(d) (application) of the Control of Major Accident Hazards Regulations 1999(1), substitute—
“(d)waste land-fill sites, except—
(i)tailing ponds or dams and other operational tailings disposal facilities containing dangerous substances, in particular when any such facilities are used in connection with the chemical and thermal processing of minerals;
(ii)sites used for the storage of metallic mercury pursuant to Article 3(1)(b) of Regulation (EC) No 1102/2008 of the European Parliament and of the Council on the banning of exports of metallic mercury and certain mercury compounds and mixtures and the safe storage of metallic mercury.”.
S.I. 1999/743. Regulation 3(3)(d) was substituted by regulation 4(1) of S.I. 2005/1088. There are other amendments not relevant to this instrument.