Changes to Planning (Hazardous Substances) 1992
S.I. 1992/656
Made by Energy Act 2013 (Office for Nuclear Regulation) (Consequential Amendments, Transitional Provisions and Savings) 2014
20 changes. All changes to Planning (Hazardous Substances) 1992
From legislation.gov.uk's record of changes, the official one: see it there.