Paragraph 2A Interpretations and definitions
Atomic Energy Minerals and Materials
Natural uranium or depleted uranium or thorium, in the form of metal, alloy, chemical compound, or concentrate and any other material containing one or more of the foregoing;
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except:
- a.
Four grammes or less of natural uranium or depleted uranium when contained in a sensing component in instruments;
- b.
Depleted uranium specially fabricated for the following civil non-nuclear applications:
- 1.
Shielding;
- 2.
Packaging;
- 3.
Ballasts;
- 4.
Counter-weights.
- 1.
- a.
Special fissile materials and other fissile materials;
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except:
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Four effective grammes or less when contained in a sensing component in instruments.
Plutonium in any form with a plutonium isotopic assay of plutonium-238 of more than 50%;
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except:
-
Three grammes or less when contained in a sensing component in instruments;
Previously separated neptunium-237 in any form;
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except:
-
Shipments with a neptunium-237 content of one gramme or less.
Deuterium, heavy water, deuterated paraffins and other compounds of deuterium, and mixtures and solutions containing deuterium, in which the isotopic ratio of deuterium to hydrogen exceeds 1:5,000.
Graphite, nuclear-grade, having a purity level of less than 5 parts per million boron equivalent and with a density greater than 1.5 g/cm3.
Nickel powder and porous nickel metal, as follows:
Powder with a nickel purity content of 99.9 weight percent or more and a mean particle size of less than 10 micrometres measured by American Society for Testing and Materials (ASTM) B330 standard and a high degree of particle size uniformity;
Porous nickel metal produced from materials specified in head a. above;
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except:
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Single porous nickel sheets not exceeding 930 cm2 intended for use in batteries for civil applications.
Specially prepared compounds or powders, other than nickel, resistant to corrosion by UF6 (e.g. aluminium oxide and fully fluorinated hydrocarbon polymers), for the manufacture of gaseous diffusion barriers, having a purity content of 99.9 weight percent or more and a mean particle size of less than 10 micrometres measured by American Society for Testing and Materials (ASTM) B330 standard and a high degree of particle size uniformity.