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en.wikipedia.org/wiki/Radon

Radon is a chemical element with symbol Rn and atomic number 86. It is a radioactive, .... 210Pb takes much longer (decades) to come in equilibrium with radon, but, if the environment permits ... Because of their electrostatic charge, radon progenies adhere to surfaces or dust particles, whereas gaseous radon does not.

en.wikipedia.org/wiki/Health_effects_of_radon

Radon is a radioactive, colorless, odorless, tasteless noble gas, occurring naturally as the ..... The health hazard from radon does not come primarily from radon itself, but rather from the radioactive products formed in the decay of radon.

www.radon.com/radon_facts

Most radon problems can be fixed by a do-it-yourselfer for less than $500. If you want or require the assistance of a professional you may wish to look at the list ...

www.radovent.com/radon-gas-blog/where-does-radon-come-from

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 ...

www.rockfordradon.com/about.html

Radon gas is continually released by uranium-bearing rocks and soil as the uranium undergoes natural radioactive decay. The gas moves through the soil freely ...

articles.mercola.com/sites/articles/archive/2012/05/14/radon-exposure-causes-lung-cancer.aspx

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?

www.dep.pa.gov/Citizens/JustForKids/Air/Radon/Pages/Where-Does-Radon-Come-From.aspx

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.

www.cancer.org/cancer/cancer-causes/radiation-exposure/radon.html

Sep 23, 2015 ... Outdoors, radon generally disperses and does not reach high levels. ... for people who work in uranium processing factories or who come in ...

www.mcgarryandmadsen.com/inspection/Blog/Entries/2016/3/30_Where_does_radon_come_from.html

Mar 30, 2016 ... Radon (atomic number: 86, symbol: Rn) is a radioactive gas that is produced by the decay of radium (atomic number: 88, symbol: Ra), and ...