Preliminary

Radionuclides with a short half-life
1E
A substance or article is not radioactive material or radioactive waste where none of the radionuclides which it contains or which it consists of has a half-life exceeding 100 seconds.
Ss. 1A-1H, 1J (with a reference to the "Scottish Ministers" in s. 1J) substituted for ss. 1, 2 (S.) (1.10.2011) by The Radioactive Substances Act 1993 Amendment (Scotland) Regulations 2011 (S.S.I. 2011/207), regs. 1(1), 3; and those same sections (with a reference to the "Department of Environment" in s. 1J) substituted (N.I.) (1.10.2011) by The Radioactive Substances Act 1993 (Amendment) Regulations (Northern Ireland) 2011 (S.R. 2011/290), regs. 1, 3
Ss. 1-24 repealed (S.) (1.9.2018) by The Environmental Authorisations (Scotland) Regulations 2018 (S.S.I. 2018/219), reg. 1, sch. 7 para. 1 (with reg. 78, sch. 5 paras. 3, 4, 6 and transitional provisions and savings (25.11.2021) by The Environmental Authorisations (Scotland) Regulations 2018 (Transitional and Savings Provisions) Order 2021 (S.I. 2021/1309), arts. 1(1), 3-5)