Radon is a colorless, odorless, tasteless, and chemically inert radioactive gas. It is formed by the natural radioactive decay of uranium in rock, soil, and water. Naturally existing, low levels of uranium occur widely in Earth's crust. It can be found in all 50 states. Unless you test for it, there is no way of telling how much is present.
2008 National Radon Poster Contest
Congratulation to all the 2008 radon poster contest winners! See the first place winners for each state and tribal nation.
National Radon Program Services at Kansas State University are funded by the U.S. Environmental Protection Agency under Cooperative Agreement XA-83312602.