Council Directive 90/641/Euratom of 4 December 1990 on the operational protection of outside workers exposed to the risk of ionizing radiation during their activities in controlled areas
Direktiva Sveta z dne 4. decembra 1990 o operativni zaščiti zunanjih delavcev, ki so med svojimi dejavnostmi na nadzorovanih območjih izpostavljeni nevarnosti ionizirajočega sevanja (90/641/Euratom)