xmlns:atom="http://www.w3.org/2005/Atom" xmlns:atom="http://www.w3.org/2005/Atom"

SCHEDULE 23E+WRadioactive substances activities

PART 6E+WRadioactive substances activity exemptions

SECTION 9E+WTables and summation rules in this Part

Table 4E+W

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 articleMaximum quantity of radionuclides for each substance or articleMaximum 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 Table4 x 106 Bq2 x 108 Bq
A Class A gaseous tritium light device2 x 1010 Bq5 x 1012 Bq
A Class B gaseous tritium light device1 x 1012 Bq3 x 1013 Bq
A Class C gaseous tritium light device1 x 1012 BqNo limit
Any sealed source which is solely radioactive material or radioactive waste because it contains tritium2 x 1010 Bq5 x 1012 Bq
A tritium foil source2 x 1010 Bq5 x 1012 Bq
A smoke detector affixed to premises4 x 106 BqNo limit
An electrodeposited source6 x 108 Bq Ni-63 or 2 x 108 Bq Fe-556 x 1011 Bq
A luminised article8 x 107 Bq Pm-147 or 4 x 109 Bq H-34 x 1010 Bq Pm-147 or 2 x 1011 Bq H-3
A Ba-137m eluting source4 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 massNo limitNo limit
A uranium or thorium compoundUp to a total of 5kg of uranium and thoriumUp 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 trials1 x 109 Bq Tc-99m

1 x 109 Bq Tc-99m

and

and

[F12 x 108 Bq of all other radionuclides, (no more than 1 x 108 Bq of which is contained in radioactive material)]2 x 108 Bq of all other radionuclides, (no more than 1 x 108 Bq of which is contained in radioactive material)

Textual Amendments