UK Nirex Limited; the company established by the UK nuclear industry, with the support of Government, to provide and manage facilities for the disposal of solid ILW and some LLW

United Kingdom Nuclear Industry Radioactive Waste Management Executive.

NIREX is a United Kingdom government body set up in 1982 under Margaret Thatcher's Conservative government to examine safe, environmental and economic aspects of deep geological disposal of intermediate-level and low-level radioactive waste in underground storage facilities. Originally known as the Nuclear Industry Radioactive Waste Executive, it was replaced by the limited company Nirex in 1985.