Document ID: chunk:federal_register_of_legislation:F2024L01024:front:0:p58
Version: federal_register_of_legislation:F2024L01024
Segment Type: other
Provision Reference: 
Character Range: 169064–171926

a. Systems for the conversion of uranium ore concentrates to UO3;
b. Systems for the conversion of UO3 to UF6;
c. Systems for the conversion of UO3 to UO2;
d. Systems for the conversion of UO2 to UF4;
e. Systems for the conversion of UF4 to UF6;
f. Systems for the conversion of UF4 to uranium metal;
g. Systems for the conversion of UF6 to UO2;
h. Systems for the conversion of UF6 to UF4;
i. Systems for the conversion of UO2 to UCl4.
0. B. 004. Plant for the production or concentration of heavy water, deuterium and deuterium compounds and specially designed or prepared equipment and components therefor, as follows:
a. Plant for the production of heavy water, deuterium or deuterium compounds, as follows:
1. Water‑hydrogen sulphide exchange plants;
2. Ammonia‑hydrogen exchange plants;
b. Equipment and components, as follows:
1. Water‑hydrogen sulphide exchange towers with diameters 1.5 m or greater and capable of operating at pressures greater than or equal to 2 MPa (300 psi);
0. B. 004. b. 2. Single stage, low head (i.e. 0.2 MPa or 30 psi) centrifugal blowers or compressors for hydrogen sulphide gas circulation (i.e. gas containing more than 70% by weight hydrogen sulphide H2S) with a throughput capacity greater than or equal to 56 m3/second (120,000 SCFM) when operating at pressures greater than or equal to 1.8 MPa (260 psi) suction and having seals designed for wet H2S service;
3. 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 (2225 psi);
4. Tower internals, including stage contactors, and stage pumps, including those which are submersible, for heavy water production utilising the ammonia‑hydrogen exchange process;
5. Ammonia crackers with operating pressures greater than or equal to 3 MPa (450 psi) for heavy water production utilising the ammonia‑hydrogen exchange process;
6. Infrared absorption analysers capable of on‑line hydrogen/deuterium ratio analysis where deuterium concentrations are equal to or greater than 90% by weight;
7. Catalytic burners for the conversion of enriched deuterium gas into heavy water utilising the ammonia‑hydrogen exchange process;
8. Complete heavy water upgrade systems, or columns therefor, for the upgrade of heavy water to reactor‑grade deuterium concentration;
9. Ammonia synthesis converters or synthesis units specially designed or prepared for heavy water production utilising the ammonia‑hydrogen exchange process.
0. B. 005. Plant for the fabrication of "nuclear reactor" fuel elements and specially designed or prepared equipment therefor.
Note: A plant for the fabrication of "nuclear reactor" fuel elements includes equipment which:
a. Normally comes into direct contact with or directly processes or controls the production flow of nuclear