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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.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.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.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 13, 2012 ... Where Does Radon Come From, and How Does it Cause Cancer? ... Radon exposure can also come from certain building materials, including:.

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.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 ...

www.nj.gov/dep/rpp/radon/school/scldown/jscinv7.pdf

Radon Alert. 51. INVESTIGATION 7. INTRODUCTION. Rocks form in three major ways, and are therefore divided into three groups: igneous, sedimentary, and ...