ala tuumarajatise ümber, milles on eelnevalt planeeritud kiireloomulised kaitsemeetmed kiirgusõnnetuse korral, et vältida ohutusnorme ületava kiirgusdoosi saamist
an area around a facility for which arrangements have been made to take urgent protective actions in the event of a nuclear or radiological emergency to avert doses off the site in accordance with international safety standards
