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The Nuclear Industries Security Regulations 2003

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Regulation 3(3) and (4).

THE SCHEDULECATEGORIES OF NUCLEAR MATERIAL

THE TABLE

MATERIALCATEGORIES
I/IIIII

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).

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

More than 500 grammes500 grammes or less, but more than 15 grammes

2.  Uranium-233 which is not irradiated

More than 500 grammes500 grammes or less, but more than 15 grammes

3.  Previously separated neptunium-237 which is not irradiated

More than 1 kilogramme1 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 kilogramme1 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 kilogramme1 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 moreLess 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

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