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

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   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.

3. Health effects of radon - Wikipedia

   en.wikipedia.org/wiki/Health_effects_of_radon

   In September 2009, the World Health Organization released a comprehensive global initiative on radon that recommended a reference level of 100 Bq/m 3 for radon, urging establishment or strengthening of radon measurement and mitigation programs as well as development building codes requiring radon prevention measures in homes under construction ...

4. Radon - Wikipedia

   en.wikipedia.org/wiki/Radon

   If levels are 20 picocuries radon per liter of air (800 Bq/m 3) or higher, the home owner should consider some type of procedure to decrease indoor radon levels. Allowable concentrations in uranium mines are approximately 1,220 Bq/m 3 (33 pCi/L) [ 102 ]

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

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   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.

7. Indoor air quality - Wikipedia

   en.wikipedia.org/wiki/Indoor_air_quality

   The World Health Organization (WHO) sets the ideal indoor radon levels at 100 Bq/m-3. [97] In the United States, it is recommend to fix homes with radon levels at or above 4 pCi/L. At the same time it is also recommends that people think about fixing their homes for radon levels between 2 pCi/L and 4 pCi/L. [ 98 ] In the United Kingdom the ...