any worker of category A, as defined in Article 23 of Directive 80/836/Euratom, performing activities of any sort in a controlled area, whether employed temporarily or permanently by an outside undertaking, including trainees, apprentices and students within the meaning of Article 10 of that Directive, or whether he provides services as a self-employed worker
Välistöötajatele makstav töötasu ... Eestis kuni üks aasta töötanud välistöötajatele ... Eestis üle üheaastase töölepingu alusel töötanud välistöötajatele ...
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.