Radon is a chemical element with symbol Rn and atomic number 86. It is a
radioactive, .... <sup>210</sup>Pb takes much longer (decades) to come in equilibrium with
radon, but, if the env...
The gas moves through the soil freely because it is chemically non-reactive and
does not combine with other materials. When the radon gas reaches the outdoor
Radon Fact Sheet. The U.S. Environmental Protection Agency (US EPA) and the
Surgeon General's Office have estimated that as many as 20,000 lung cancer ...
Feb 12, 2016 ... What is radon gas? Where does it come from? How does it enter our homes?
Learn more about this cancer causing problem occurring in ...
Radon is a colorless, tasteless and odorless gas that causes lung cancer. ...
Where Does Radon Indoors Come From? Radon is emitted from the ground and
May 14, 2012 ... High radon gas levels in your home may put you at risk of lung cancer. ... Where
Does Radon Come From, and How Does it Cause Cancer?
Image of a house and the ground below. Beneath the surface is the word radon.
Radon comes from the rocks and soil that make up the ground on which we live.
How Does Radon Enter Your House? As radon gas moves up through the soil, it
can be drawn into your home ...
Radon Alert. Junior High School. 50. GROUPING. A large group is suggested so
that students can benefit from the comments of their peers during the warm-up ...
Oct 15, 2015 ... Radon is a toxic gas you can't see or smell, but it can cause serious health
problems, like lung cancer. Learn about radon test kits.