TERMIUM Plus®

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WASTE REPOSITORY [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 - external organization data 2001-06-29

English

Subject field(s)
  • Waste Management
  • Nuclear Waste Materials
  • Compartment - Canadian Nuclear Safety Commission
CONT

The third category of waste, that with hazardous lifetimes greater than 500 years, will continue to be stored until a suitable repository can be justified economically.

CONT

The selection of an appropriate repository will depend primarily on local geological, hydrological, topographic and climatic conditions at the site. In general above-ground structures will be preferred where there is groundwater close to the earth surface or where excavation of pits or trenches would be difficult owing to hard bedrock close to the surface. On the other hand, in terrains with favourable properties, preference should be given to subsurface modules because of better shielding, easier handling during emplacement, simpler backfilling and covering with earth materials, and reduced potential for erosion.

CONT

Underground repository for radioactive waste.

OBS

See also "disposal site", and "final repository (or disposal site)".

French

Domaine(s)
  • Gestion des déchets
  • Déchets nucléaires
  • Tiroir - Commission canadienne de sûreté nucléaire
CONT

[...] au 1er janvier 1957, on avait déjà emmagasiné aux États-Unis environ 280 000 m3 de déchets liquides à haut niveau de radioactivité dans 170 dépôts.

CONT

Déchets solides. [...] La méthode de stockage généralement employée consiste à enfouir les substances dans des zones où le sol peut retenir les radionuclides et où le danger d'une contamination des eaux souterraines est minimal. Le danger potentiel de ces dépôts et les précautions nécessaires pour sélectionner, utiliser et contrôler les zones d'enfouissement dépendent naturellement des radionuclides présents et des niveaux d'activité.

Spanish

Campo(s) temático(s)
  • Gestión de los desechos
  • Desechos nucleares
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
Key term(s)
  • depósito de desechos radioactivos
  • repositorio de desechos radioactivos
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