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2. Health effects of radon - Wikipedia

   en.wikipedia.org/wiki/Health_effects_of_radon

   The results of a methodical ten-year-long, case-controlled study of residential radon exposure in Worcester County, Massachusetts, found an apparent 60% reduction in lung cancer risk amongst people exposed to low levels (0–150 Bq/m 3) of radon gas; levels typically encountered in 90% of American homes—an apparent support for the idea of ...

3. What is radon? The radioactive gas is found in homes across ...

   www.aol.com/news/radon-radioactive-gas-found...

   Radon, a byproduct of naturally decaying uranium, is estimated to cause thousands of deaths each year nationwide. Here's how to protect yourself.

4. Radon - Wikipedia

   en.wikipedia.org/wiki/Radon

   Radon and its daughters are, taken together, often the single largest contributor to an individual's background radiation dose, but due to local differences in geology, [6] the level of exposure to radon gas differs by location. A common source of environmental radon is uranium-containing minerals in the ground; it therefore accumulates in ...

5. Radium and radon in the environment - Wikipedia

   en.wikipedia.org/wiki/Radium_and_radon_in_the...

   The radon levels in some of the mines can reach 400 to 700 kBq m −3. [ 17 ] A common unit of exposure of lung tissue to alpha emitters is the working level month ( WLM ), this is where the human lungs have been exposed for 170 hours (a typical month worth of work for a miner) to air which has 3.7 kBq of 222 Rn (in equilibrium with its decay ...

6. High levels of deadly radon gas found in one-quarter of Erie ...

   www.aol.com/high-levels-deadly-radon-gas...

   More than 26% of Erie County homes tested for radon between 2010 and 2020 have detected high levels of the odorless, colorless, tasteless, and deadly gas.

7. Radon levels in Old Courthouse trigger a plan, but details ...

   www.aol.com/radon-levels-old-courthouse-trigger...

   Four (4.0) picocuries per liter is the "action level" above which remedial action should be taken, said Ryan Goelzhauser, a certified radon mitigation specialist with Popham Construction.

8. Background radiation - Wikipedia

   en.wikipedia.org/wiki/Background_radiation

   Some building materials, for example lightweight concrete with alum shale, phosphogypsum and Italian tuff, may emanate radon if they contain radium and are porous to gas. [8] Radiation exposure from radon is indirect. Radon has a short half-life (4 days) and decays into other solid particulate radium-series radioactive nuclides. These ...

9. Naturally occurring radioactive material - Wikipedia

   en.wikipedia.org/wiki/Naturally_occurring...

   Radon gas in the natural gas streams concentrate as NORM in gas processing activities. Radon decays to lead-210, then to bismuth-210, polonium-210 and stabilizes with lead-206. Radon decay elements occur as a shiny film on the inner surface of inlet lines, treating units, pumps and valves associated with propylene, ethane and propane processing ...