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Standing Office 81 (SOVNPA 81) emblem Viet Nam NVietnam National Presiding Agency
on Countering the Proliferation of Weapons of Mass Destruction Standing Office 81
Notices

Targeted financial sanctions obligations and designated lists relating to the proliferation of weapons of mass destruction and proliferation financing

Notices

30 October 2026UN Security Council updates the sanctions list (30/10/2026)

6.4.Tower internals and stage sumps

List
NSG – Trigger List (Part 1) – INFCIRC/254/Rev.15/Part 1 (21 April 2026)
Tower internals and stage pumps especially designed or prepared for towers for heavy water production utilising the ammonia-hydrogen exchange process. Tower internals include especially designed stage contactors which promote intimate gas/liquid contact. Stage pumps include especially designed submersible pumps for circulation of liquid NH₃ within a contacting stage internal to the stage towers.