Document ID: chunk:federal_register_of_legislation:F2024L01024:front:0:p70
Version: federal_register_of_legislation:F2024L01024
Segment Type: other
Provision Reference: 
Character Range: 201802–204910

than 1%), an operating pressure of 20 to 60 MPa.
1. B. 231. Tritium facilities or plants, and equipment therefor, as follows:
a. Facilities or plants for the production, recovery, extraction, concentration, or handling of tritium;
b. Equipment for tritium facilities or plants, as follows:
1. Hydrogen or helium refrigeration units capable of cooling to 23 K (‑250°C) or less, with heat removal capacity greater than 150 W;
2. Hydrogen isotope storage or hydrogen isotope purification systems using metal hydrides as the storage or purification medium.
1. B. 232. Turboexpanders or turboexpander‑compressor sets having both of the following characteristics:
a. Designed for operation with an outlet temperature of 35 K (‑238°C) or less; and
b. Designed for a throughput of hydrogen gas of 1000 kg/h or greater.
1. B. 233. Lithium isotope separation facilities or plants, and systems and equipment therefor, as follows:
a. Facilities or plants for the separation of lithium isotopes;
b. Equipment for the separation of lithium isotopes based on the lithium‑mercury amalgam process, as follows:
1. Packed liquid‑liquid exchange columns specially designed for lithium amalgams;
2. Mercury or lithium amalgam pumps;
3. Lithium amalgam electrolysis cells;
4. Evaporators for concentrated lithium hydroxide solution.
c.  Ion exchange systems specially designed for lithium isotope separation, and specially designed component parts therefor;
d. Chemical exchange systems (employing crown ethers, cryptands, or lariat ethers) specially designed for lithium isotope separation, and specially designed component parts therefor.
            N.B.: SEE ALSO 0B001 FOR LITHIUM ISOTOPE SEPARATION EQUIPMENT AND COMPONENTS FOR THE PLASMA SEPARATION PROCESS THAT ARE DIRECTLY APPLICABLE TO URANIUM ISOTOPE SEPARATION.
1. B. 234. High explosive containment vessels, chambers, containers and other similar containment devices designed for the testing of high explosives or explosive devices and having both of the following characteristics:
a. Designed to fully contain an explosion equivalent to 2 kg of TNT or greater; and
b. Having design elements or features enabling real time or delayed transfer of diagnostic or measurement information.

1. B. 235. Target assemblies and components for the production of tritium as follows:
a. Target assemblies made of or containing lithium enriched in the lithium‑6 isotope specially designed for the production of tritium through irradiation, including insertion in a nuclear reactor;
b. Components specially designed for the target assemblies specified in 1B235.a.
Technical Note:
Components specially designed for target assemblies for the production of tritium may include lithium pellets, tritium getters, and specially‑coated cladding.
1. C.  Materials
Technical Note:
Metals and alloys:
Unless provision to the contrary is made, the words 'metals' and 'alloys' in 1C001 to 1C012 cover crude and semi‑fabricated forms, as follows:
Crude forms:
Anodes, balls, bars (including notched bars and wire bars), billets, blocks, blooms, brickets, cakes, cathodes, crystals, cubes, dice,