THE SCHEDULECATEGORIES OF NUCLEAR MATERIAL

Regulation 3(3) and (4).

THE TABLE

MATERIAL

CATEGORIES

I/II

III

1

Plutonium (other than plutonium with an isotopic concentration exceeding 80% in plutonium-238) which is not irradiated

More than 500 grammes

500 grammes or less, but more than 15 grammes

2

Uranium-233 which is not irradiated

More than 500 grammes

500 grammes or less, but more than 15 grammes

3

Previously separated neptunium-237 which is not irradiated

More than 1 kilogramme

1 kilogramme or less, but more than 15 grammes

4

Previously separated americium-241, previously separated americium-242m or previously separated americium-243, which are not irradiated

More than 1 kilogramme

1 kilogramme or less, but more than 15 grammes

5

Uranium-235 in enriched uranium containing 20% or more of uranium-235, which is not irradiated

More than 1 kilogramme

1 kilogramme or less, but more than 15 grammes

6

Uranium-235 in enriched uranium containing 10% or more, but less than 20%, of uranium-235, which is not irradiated

10 kilogrammes or more

Less than 10 kilogrammes, but more than 1 kilogramme

7

Uranium-235 in enriched uranium containing less than 10% but more than 0.711% of uranium-235, which is not irradiated

10 kilogrammes or more

8

Irradiated reactor fuel being used, stored or transported within the United Kingdom

Any quantity

9

Irradiated reactor fuel being transported outside the United Kingdom, other than such fuel which, prior to being irradiated, was uranium enriched so as to contain 10% or more, but less than 20%, of uranium-235

Any quantity

10

Irradiated reactor fuel being transported outside the United Kingdom which, prior to being irradiated, was uranium enriched so as to contain 10% or more, but less than 20%, of uranium-235

Any quantity

11

Other irradiated nuclear material

Any quantity

In this Schedule—

  • “enriched uranium” means uranium enriched so as to contain more than 0.711% of uranium-235;

  • “irradiated” and “previously separated” have the meanings given in regulation 3(2).