The Environmental Permitting (England and Wales) Regulations 2016

Table 4

25.  The Table 4 referred to in Sections 2 and 3 of this Part—

Table 4

Radioactive material and accumulated radioactive waste: values of maximum quantities

Substance or article	Maximum quantity of radionuclides for each substance or article	Maximum quantity of radionuclides:
		(a) on any premises in items which satisfy the limit in column 2, or
		(b) in mobile radioactive apparatus held by a person
A sealed source of a type not described in any other row of this Table	4 x 106 Bq	2 x 108 Bq
A Class A gaseous tritium light device	2 x 1010 Bq	5 x 1012 Bq
A Class B gaseous tritium light device	1 x 1012 Bq	3 x 1013 Bq
A Class C gaseous tritium light device	1 x 1012 Bq	No limit
Any sealed source which is solely radioactive material or radioactive waste because it contains tritium	2 x 1010 Bq	5 x 1012 Bq
A tritium foil source	2 x 1010 Bq	5 x 1012 Bq
A smoke detector affixed to premises	4 x 106 Bq	No limit
An electrodeposited source	6 x 108 Bq Ni-63 or 2 x 108 Bq Fe-55	6 x 1011 Bq
A luminised article	8 x 107 Bq Pm-147 or 4 x 109 Bq H-3	4 x 1010 Bq Pm-147 or 2 x 1011 Bq H-3
A Ba-137m eluting source	4 x 104 Bq Cs-137+	4 x 105 Bq Cs-137+
A substance or article which is or contains magnesium alloy or thoriated tungsten in which the thorium concentration does not exceed 4% by mass	No limit	No limit
A uranium or thorium compound	Up to a total of 5kg of uranium and thorium	Up to a total of 5kg of uranium and thorium
A substance or article (other than a sealed source) which is intended for use for, used for, or arises from medical or veterinary diagnosis or treatment or clinical or veterinary trials	1 x 109 Bq Tc-99m	1 x 109 Bq Tc-99m
	and	and
	in respect of the total for all other radionuclides—	2 x 108 Bq of all other radionuclides, (no more than 1 x 108 Bq of which is contained in radioactive material)
	(i) 1 x 108 Bq if the substance or article is radioactive material, or
	(ii) 2 x 108 Bq if the substance or article is radioactive waste