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Special Nuclear Material


Plutonium; uranium-233; uranium enriched in the isotope 235, excluding source material; separated Am-241; separated Am-243; and separated Np-237.

Plutonium, uranium-233, or uranium enriched above 0.711 percent by weight in the isotope uranium-235.

(1) Plutonium, uranium enriched in the isotope 233 or in the isotope 235, and any other material, which pursuant to 42 U.S.C. 2071 (Section 51 of the Atomic Energy Act of 1954, as amended), has been determined to be special nuclear material, but does not include source material; or (2) any material artificially enriched by any of the forgoing, not including source material.

(1) Plutonium, uranium enriched in the isotope 233 or in the isotope 235, and any other material which is determined, pursuant to the provisions of section 51 [of the Atomic Energy Act of 1954, as amended], to be special nuclear material, but does not include source material; or (2) any material artificially enriched by any of the foregoing, but does not include source material.

Plutonium, uranium-233, uranium enriched in the isotopes 235, and any other material which, ,pursuant to 42 U.S.C. 2071 (Section 51, as amended, of the Atomic Energy Act of 1954), has been determined to be special nuclear material; it also includes any material artificially enriched by any of the foregoing, not including source material.

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