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Regulation 2 Prescribed fissile material

Original text. Later amendments are not shown.

(1)

For the purposes of the definition of “nuclear material” in section 70(3) of the Energy Act 2013 (meaning of “nuclear material” for the ONR’s nuclear security purposes) fissile material of the following kinds is prescribed—

(a)

previously separated americium-241 which is not irradiated;

(b)

previously separated americium-242m which is not irradiated;

(c)

previously separated americium-243 which is not irradiated;

(d)

previously separated neptunium-237 which is not irradiated.

(2)

For the purposes of paragraph (1)—

  • “irradiated” in relation to any kind of material, means that the material has a total radiation output giving a dose rate exceeding one Gray per hour at one metre from the unshielded surface of the material; and

  • “previously separated”, in relation to any kind of material, means that the material has been subject to treatment that increases the concentration of the material.