Radon is a chemically inert, naturally occurring radioactive gas. It has no smell, colour or taste.
Radon is a chemically inert, naturally occurring radioactive gas without odour, colour or taste.
Radon is a natural radioactive gas that occurs at higher than normal levels in certain parts of the U.S..
What little relief Thornburgh felt at hearing Scranton's report, dissolved the next day when it was reported that a large burst of radioactive gas had escaped from Three Mile Island.
This paper presents an issue of the precipitation in sampling system pipeline of airborne radioactive substances, radioactive gases and aerosols, from nuclear facility effluents.
Then you have a huge amount of radioactive gases and particles, and if the primary and secondary containment fails, you have a large amount of radioactive gases escaping into the environment.
A full meltdown at the Japanese facility would still release radioactive gases, but those tend to dissipate in the atmosphere.
