[en] A system is described, where (at least) one tunnel connects the reactor hall with the atmosphere. The tunnel, filled with rocks, should offer a volume large enough for the expanding gases from a reactor core accident in order that no radioactive gases reach the atmosphere. (L.E.)
Original Title
Anordning foer att foerhindra utslaepp av kontaminerad gas till atmosfaeren fraan en kaernreaktor vid ett reaktorhaveri