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• A.1.1.   

  Special fissionable material, as follows:

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    Paragraph A.1.1. does not include

    • (a) 

      special fissionable material occurring as contaminants in laundry, packaging, shielding or equipment;
    • (b) 

      special fissionable material used as a sensing component in instruments in quantities of four effective grams or less; or

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        • (a) 

          source material occurring as contaminants in laundry, packaging, shielding or equipment; or
        • (b) 

          depleted uranium used as shielding for Class II Prescribed Equipment, within the meaning of section 1 of the Class II Nuclear Facilities and Prescribed Equipment Regulations, for radiation devices or for transport packaging.

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      • (b) 

        deuterium occurring as a contaminant in laundry or equipment; or

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    • Nuclear reactors capable of operation so as to maintain a controlled self-sustaining fission chain reaction.

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    • Metal vessels, or major shop-fabricated parts therefor, especially designed or prepared to contain the core of a nuclear reactor as well as reactor internals as defined in paragraph A.2.1.8.

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    • Remotely operated equipment especially designed or prepared for use in a reprocessing plant as identified above and intended to cut, chop or shear irradiated nuclear fuel assemblies, bundles or rods.

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    • Critically safe tanks (e.g. small diameter, annular or slab tanks) especially designed or prepared for use in a reprocessing plant as identified above, intended for the dissolution of irradiated nuclear fuel and which are capable of withstanding hot, highly corrosive liquid, and which can be remotely loaded and maintained.

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    • Especially designed or prepared solvent extractors such as packed or pulse columns, mixer settlers or centrifugal contactors for use in a plant for the reprocessing of irradiated fuel. Solvent extractors must be resistant to the corrosive effect of nitric acid. Solvent extractors are normally fabricated to extremely high standards (including special welding and inspection and quality assurance and quality control techniques) out of low carbon stainless steels, titanium, zirconium or other high-quality materials.

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    • Especially designed or prepared holding or storage vessels for use in a plant for the reprocessing of irradiated fuel. The holding or storage vessels must be resistant to the corrosive effect of nitric acid. The holding or storage vessels are normally fabricated of materials such as low carbon stainless steels, titanium or zirconium, or other high-quality materials. Holding or storage vessels may be designed for remote operation and maintenance and may have the following features for control of nuclear criticality:

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        • thin-walled cylinders, or a number of interconnected thin-walled cylinders, manufactured from one or more of the high strength to density ratio materials. If interconnected, the cylinders are joined together by flexible bellows or rings as described in paragraph (c). The rotor is fitted with an internal baffle(s) and end caps, as described in paragraphs (d) and (e), if in final form. However the complete assembly may be delivered only partly assembled;

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        • disc-shaped components of between 75 mm (3 in.) and 400 mm (16 in.) diameter especially designed or prepared to fit to the ends of the rotor tube, and so contain the UF₆ within the rotor tube, and in some cases to support, retain or contain as an integrated part an element of the upper bearing (top cap) or to carry the rotating elements of the motor and lower bearing (bottom cap), and manufactured from high strength to density ratio materials.

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        • especially designed or prepared cylinders having internally machined or extruded helical grooves and internally machined bores. Typical dimensions are as follows: 75 mm (3 in.) to 400 mm (16 in.) internal diameter, 10 mm (0.4 in.) or more wall thickness, with the length equal to or greater than the diameter. The grooves are typically rectangular in cross-section and 2 mm (0.08 in.) or more in depth;

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      • Frequency changers (also known as converters or invertors) especially designed or prepared to supply motor stators as defined in paragraph A.2.4.1.2.(d), or parts, components and sub-assemblies of such frequency changers having all of the following characteristics:

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      • Especially designed or prepared axial, centrifugal, or positive displacement compressors, or gas blowers with a suction volume capacity of 1 m³/min or more of UF₆, and with a discharge pressure of up to several hundred kPa (100 psi), designed for long-term operation in the UF₆ environment with or without an electrical motor of appropriate power, as well as separate assemblies of such compressors and gas blowers. These compressors and gas blowers have a pressure ratio between 2:1 and 6:1 and are made of, or lined with, materials resistant to UF₆.

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      • Especially designed or prepared vacuum seals, with seal feed and seal exhaust connections, for sealing the shaft connecting the compressor or the gas blower rotor with the driver motor so as to ensure a reliable seal against in-leaking of air into the inner chamber of the compressor or gas blower which is filled with UF₆. Such seals are normally designed for a buffer gas in-leakage rate of less than 1 000 cm³/min (60 in.³/min).

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      • Especially designed or prepared rotary shaft seals, with seal feed and seal exhaust connections, for sealing the shaft connecting the compressor rotor or the gas blower rotor with the driver motor so as to ensure a reliable seal against out-leakage of process gas or in-leakage of air or seal gas into the inner chamber of the compressor or gas blower which is filled with a UF₆/carrier gas mixture.

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      • Countercurrent liquid-liquid exchange columns having mechanical power input (i.e., pulsed columns with sieve plates, reciprocating plate columns, and columns with internal turbine mixers), especially designed or prepared for uranium enrichment using the chemical exchange process. For corrosion resistance to concentrated hydrochloric acid solutions, these columns and their internals are made of or protected by suitable plastic materials (such as fluorocarbon polymers) or glass. The stage residence time of the columns is designed to be short (30 s or less).

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      • Liquid-liquid centrifugal contactors especially designed or prepared for uranium enrichment using the chemical exchange process. Such contactors use rotation to achieve dispersion of the organic and aqueous streams and then centrifugal force to separate the phases. For corrosion resistance to concentrated hydrochloric acid solutions, the contactors are made of or are lined with suitable plastic materials (such as fluorocarbon polymers) or are lined with glass. The stage residence time of the centrifugal contactors is designed to be short (30 s or less).

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      • Fast-reacting ion-exchange resins or adsorbents especially designed or prepared for uranium enrichment using the ion exchange process, including porous macroreticular resins, and pellicular structures in which the active chemical exchange groups are limited to a coating on the surface of an inactive porous support structure, and other composite structures in any suitable form including particles or fibres. These ion exchange resins/adsorbents have diameters of 0.2 mm or less and must be chemically resistant to concentrated hydrochloric acid solutions as well as physically strong enough so as not to degrade in the exchange columns. The resins/adsorbents are especially designed to achieve very fast uranium isotope exchange kinetics (exchange rate half-time of less than 10 s) and are capable of operating at a temperature in the range of 100°C to 200°C.

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      • Cylindrical columns greater than 1 000 mm in diameter for containing and supporting packed beds of ion exchange resin/adsorbent, especially designed or prepared for uranium enrichment using the ion exchange process. These columns are made of or protected by materials (such as titanium or fluorocarbon plastics) resistant to corrosion by concentrated hydrochloric acid solutions and are capable of operating at a temperature in the range of 100°C to 200°C and pressures above 0.7 MPa (102 psi).

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      • Especially designed or prepared rotary shaft seals, with seal feed and seal exhaust connections, for sealing the shaft connecting the compressor rotor with the driver motor so as to ensure a reliable seal against out-leakage of process gas or in-leakage of air or seal gas into the inner chamber of the compressor which is filled with a UF₆/carrier gas mixture.

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      • Especially designed or prepared product and tails collector assemblies for uranium metal in solid form. These collector assemblies are made of or protected by materials resistant to the heat and corrosion of uranium metal vapour, such as yttria-coated graphite or tantalum.

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          • especially designed or prepared single or multiple uranium ion sources consisting of a vapour source, ionizer, and beam accelerator, constructed of suitable materials such as graphite, stainless steel, or copper, and capable of providing a total ion beam current of 50 mA or greater;

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          • collector plates consisting of two or more slits and pockets especially designed or prepared for collection of enriched and depleted uranium ion beams and constructed of suitable materials such as graphite or stainless steel;

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          • especially designed or prepared vacuum housings for uranium electromagnetic separators, constructed of suitable non-magnetic materials such as stainless steel and designed for operation at pressures of 0.1 Pa or lower; and

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    • Exchange towers fabricated from fine carbon steel (such as ASTM A516) with diameters of 6 m (20 ft.) to 9 m (30 ft.), capable of operating at pressures greater than or equal to 2 MPa (300 psi) and with a corrosion allowance of 6 mm or greater, especially designed or prepared for heavy water production utilizing the water-hydrogen sulphide exchange process.

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    • Ammonia-hydrogen exchange towers greater than or equal to 35 m (114.3 ft.) in height with diameters of 1.5 m (4.9 ft.) to 2.5 m (8.2 ft.) capable of operating at pressures greater than 15 MPa (2,225 psi) especially designed or prepared for heavy water production utilizing the ammonia-hydrogen exchange process. These towers also have at least one flanged, axial opening of the same diameter as the cylindrical part through which the tower internals can be inserted or withdrawn.
• A.2.6 

  Plants for the conversion of uranium and plutonium for use in the fabrication of fuel elements and the separation of uranium isotopes, as set out in paragraphs A.2.3. and A.2.4., respectively, and equipment especially designed or prepared for such plants, including

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  • Technical data, including, but not limited to, technical drawings, models, photographic negatives and prints, recordings, design data and technical and operating manuals, whether in written form or recorded on other media or devices such as disk, tape and read-only memories for the design, production, construction, operation or maintenance of any item in this Part, except data available to the public (e.g. in published books or periodicals, or that which has been made available without restrictions on its further dissemination).

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    • (b) 

      oxide shapes in fabricated or semi-fabricated forms specially designed for electronic component parts or as substrates for electronic circuits; and

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      • This entry includes waste and scrap containing beryllium as defined above.

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  • B.1.1.8 

    Crucibles made of materials resistant to liquid actinide metals, as follows:

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  • B.1.1.9 

    Fibrous or filamentary materials, prepregs and composite structures, as follows:

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  • B.1.1.15 

    Nickel powder and porous nickel metal, as follows:

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  • B.1.1.18 

    Tungsten, as follows: parts made of tungsten, tungsten carbide, or tungsten alloys (greater than 90% tungsten) having a mass greater than 20 kg and a hollow cylindrical symmetry (including cylinder segments) with an inside diameter greater than 100 mm (4 in.) but less than 300 mm (12 in.), except parts specifically designed for use as weights or gamma-ray collimators.

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      • Paragraph B.1.1.19. applies to waste and scrap containing zirconium as defined above.

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  • B.2.1.1 

    Flow-forming machines and spin-forming machines capable of flow-forming functions, and mandrels, as follows, and specially designed software therefor:

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  • B.2.1.2 

    Machine tools and specially designed software as follows:
    • (a) 

      machine tools, as set out below, and any combination of them, for removing or cutting metals, ceramics or composites, which, according to the manufacturer’s technical specifications, can be equipped with electronic devices for simultaneous contouring control in two or more axes:

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      • (2) 

        software for any combination of electronic devices or systems enabling those devices to function as a numerical control unit capable of controlling five or more interpolating axes that can be coordinated simultaneously for contouring control.

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  • B.2.1.3 

    Dimensional inspection machines, instruments or systems, as follows, and software specially designed for them:

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    • (b) 

      linear displacement measuring instruments, as follows:

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        • Paragraph B.2.1.3.(c) does not include optical instruments, such as autocollimators, using collimated light (e.g. laser light) to detect angular displacement of a mirror.

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        • (a) 

          machine tools that can be used as measuring machines are included if they meet or exceed the criteria specified for the machine tool function or the measuring machine function;

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        • (c) 

          the probe used in determining the measurement uncertainty of a dimensional inspection system shall be as described in VDI/VDE 2617, parts 2, 3 and 4; and

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    • (b) 

      specially designed or rated as radiation hardened to withstand greater than 5 x 10⁴ Gy (Silicon) [5 x 10⁶ rad (Silicon)] without operational degradation.

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          • (b) 

            fixed sequence manipulation mechanisms which are automated moving devices operating according to mechanically fixed programmed motions. The program is mechanically limited by fixed stops, such as pins or cams. The sequence of motions and the selection of paths or angles are not variable or changeable by mechanical, electronic, or electrical means;
          • (c) 

            mechanically controlled variable sequence manipulation mechanisms which are automated moving devices operating according to mechanically fixed programmed motions. The program is mechanically limited by fixed, but adjustable, stops such as pins or cams. The sequence of motions and the selection of paths or angles are variable within the fixed program pattern. Variations or modifications of the program pattern (e.g., changes of pins or exchanges of cams) in one or more motion axes are accomplished only through mechanical operations;

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          • (e) 

            stacker cranes defined as Cartesian coordinate manipulator systems manufactured as an integral part of a vertical array of storage bins and designed to access the contents of those bins for storage or retrieval.

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        The definition in paragraph 1(a) does not include robots specially designed for non-nuclear industrial applications such as automobile paint-spraying booths.
  • B.2.1.7 

    Vibration test systems, equipment, components and software therefor, as follows:

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  • B.2.1.8 

    Vacuum and controlled atmosphere metallurgical melting and casting furnaces as follows, and specially configured computer control and monitoring systems and specially designed software therefor:

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  • B.2.2.2 

    Rotor fabrication and assembly equipment and bellows-forming mandrels and dies, as follows:

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  • B.2.2.3 

    Centrifugal multiplane balancing machines, fixed or portable, horizontal or vertical, as follows:

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  • B.2.2.5 

    Frequency changers (also known as converters or inverters) or generators having all of the following characteristics:

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  • B.2.2.6 

    Lasers, laser amplifiers, and oscillators as follows:

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        • Paragraph B.2.2.6.(g) does not include the higher power (typically 1 kW to 5 kW) industrial CO₂ lasers used in applications such as cutting and welding, as those lasers are either continuous wave or are pulsed with a pulse width of more than 200 ns.
  • B.2.2.7 

    Mass spectrometers capable of measuring ions of 230 atomic mass units or greater and having a resolution of better than 2 parts in 230, and ion sources therefor as follows:

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    • (e) 

      molecular beam mass spectrometers as follows:

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  • B.2.2.8 

    Pressure transducers which are capable of measuring absolute pressure at any point in the range 0 kPa to 13 kPa, with pressure sensing elements made of or protected by nickel, nickel alloys with more than 60% nickel by weight, aluminium or aluminium alloys as follows:

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      • This paragraph does not cover magnets specially designed for and exported as parts of medical nuclear magnetic resonance (NMR) imaging systems. It is understood that the wording “as part of” does not necessarily mean physical part in the same shipment. Separate shipments from different sources are allowed, provided that the related export documents clearly specify the “part of” relationship.

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      • 1 

        This paragraph includes separators capable of enriching stable isotopes as well as those for uranium. A separator capable of separating the isotopes of lead with a one-mass unit difference is inherently capable of enriching the isotope of uranium with three-unit mass difference.

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  • B.2.4.1 

    Flash x-ray generators or pulsed electron accelerators with peak energy of 500 keV or greater, as follows, except accelerators that are component parts of devices designed for purposes other than electron beam or x-ray radiation (electron microscopy, for example) and those designed for medical purposes:
    • (a) 

      having an accelerator peak electron energy of 500 keV or greater but less than 25 MeV and with a figure of merit (K) of 0.25 or greater, where K is defined as:

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  • B.2.4.3 

    Mechanical rotating mirror cameras, as follows; and specially designed components therefor:

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  • B.2.4.4 

    Electronic streak and framing cameras and tubes, as follows:

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    • (c) 

      framing tubes and solid-state imaging devices for use with cameras controlled in paragraph (b) as follows:

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  • B.2.4.5 

    Specialized instrumentation for hydrodynamic experiments, as follows:

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    • (a) 

      electrically driven explosive detonators, as follows:

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      • The detonators of concern all utilize a small electrical conductor (bridge, bridge wire or foil) that explosively vaporizes when a fast, high-current electrical pulse is passed through it. In nonslapper types, the exploding conductor starts a chemical detonation in a contacting high-explosive material such as PETN (pentaerythritoltetranitrate). In slapper detonators, the explosive vaporization of the electrical conductor drives a “flyer” or “slapper” across a chemical detonation. The slapper in some designs is driven by magnetic force. The term “exploding foil” detonator may refer to either an EB or a slapper-type detonator. Also, the word “initiator” is sometimes used in place of the word “detonator”.
      • Detonators using only primary explosives, such as lead azide, are not subject to control.

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  • B.2.5.3 

    Firing sets and equivalent high-current pulse generators (for controlled detonators), as follows:

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      • (3) 

        having a rise time of less than 10 µs into loads of less than 40 ω. (Rise time is defined as the time interval from 10% to 90% current amplitude when driving a resistive load);

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      • (7) 

        specified for use over an extended temperature range (-50°C to 100°C) or specified as suitable for aerospace use.

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  • B.2.6.2 

    High-speed pulse generators with output voltages greater than 6 V into a less than 55 ω resistive load, and with pulse transition times less than 500 ps (defined as the time interval between 10% and 90% voltage amplitude).

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  • B.2.7.2 

    Equipment related to nuclear material handling and processing and to nuclear reactors, as follows:
    • (a) 

      remote manipulators that can be used to provide remote actions in radiochemical separation operations and hot cells, as follows:

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    • (c) 

      radiation-hardened TV cameras, or lenses therefor, specially designed or rated as radiation hardened to withstand greater than 5 x 10⁴ Gy (Silicon) (5 x 10⁶ rad (Silicon)) without operational degradation.
  • B.2.7.3 

    Tritium facilities, plants and equipment, as follows:

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      equipment for those facilities or plants as follows:

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      • (2) 

        hydrogen isotope storage and purification systems using metal hydrides as the storage or purification medium.

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  • B.2.7.5 

    Lithium isotope separation facilities, plants and equipment, as follows:

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      equipment for the separation of lithium isotopes, as follows:

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  • Technical data, including, but not limited to, technical drawings, models, photographic negatives and prints, recordings, design data and technical and operating manuals, whether in written form or recorded on other media or devices such as disk, tape and read-only memories for the design, production, construction, operation or maintenance of any item in this Part, except data available to the public (e.g. in published books or periodicals, or that which has been made available without restrictions on its further dissemination).

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