olemus
ametlik kasutuselt kõrvaldamise protsess

Merriam-Webster:
decommission
transitive verb
: to remove (something, such as a ship or a nuclear power plant) from service
// Several military bases are scheduled to be decommissioned.
// The government is decommissioning the nuclear power plant.

ülevaateid
https://en.wikipedia.org/wiki/Decommissioning

https://www-pub.iaea.org/MTCD/publications/PDF/Pub1652web-83896570.pdf

https://www.arpansa.gov.au/sites/default/files/draft_for_stakeholder_comment_-_reg_guide_decommissioning_of_controlled_facilities.pdf