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  2. Radon - Wikipedia

    en.wikipedia.org/wiki/Radon

    Very high radon concentrations (>1000 Bq/m 3) have been found in houses built on soils with a high uranium content and/or high permeability of the ground. 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.

  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. Radium and radon in the environment - Wikipedia

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

    Radium, like radon, is radioactive and is found in small quantities in nature and is hazardous to life if radiation exceeds 20-50 mSv/year. Radium is a decay product of uranium and thorium . [ 2 ] Radium may also be released into the environment by human activity: for example, in improperly discarded products painted with radioluminescent paint.

  5. Indoor air quality - Wikipedia

    en.wikipedia.org/wiki/Indoor_air_quality

    Radon is measured in picocuries per liter of air (pCi/L) or becquerel per cubic meter (Bq m-3). Both are measurements of radioactivity. 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.

  6. Boise School District said it found high levels of radon in ...

    www.aol.com/boise-school-district-said-found...

    Radon is a colorless, odorless and invisible gas that rises up from the soil and can enter homes and buildings through cracks or gaps in crawl spaces and foundations, according to Health and Welfare.

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

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

    Indiana's fact sheet on radon states the gas is the top cause of lung cancer for people who do not smoke.. The Old Courthouse Catacombs, a Halloween haunted house staple in Evansville and the ...

  8. 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 ...

  9. 11 charts that show how American houses have changed since ...

    www.aol.com/article/finance/2016/06/05/11-charts...

    The number of bedrooms in single-family houses has tended to increase. In 2015, about 47% of newly built houses had four or more bedrooms. Business Insider/Andy Kiersz, data from US Census Bureau

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