German VersionFrench VersionItalian Version
Terminological database
Following the links provided within each record, it is possible to access the legal texts which regulate the concept under examination, the concept diagrams in which it appears, as well as other linguistically or conceptually correlated terminological records.

Sealed source
Domain: Health and safety at work => Risk factors => Radiations
Grammatical category
Noun phrase
Grammar notes
A source containing any radioactive substance whose structure is such as to prevent, under normal conditions of use, any dispersion of radioactive substances into the environment, but it does not include any radioactive substance inside a nuclear reactor or any nuclear fuel element.
Definition source
Reg. 2 of The Ionising Radiations Regulations 1999
European legislation
Directives 96/29/Euratom, 89/618/Euratom, 90/641/Euratom, 92/3/Euratom
British legislation
The Ionising Radiations Regulations 1999
Related terms