All radioactive materials which naturally occur in water will produce at least one isotope of radon as a decay product. As radioactive atoms are transported through groundwater aquifers in the form of ...

Naturally occurring radioactivity can be found throughout the earth's crust. Some of these radionuclides decay into stable elements, such as 40 K 40 Ar, 14 C 14 N and 87 Rb 87 Sr. Others are members ...

About 5 billion years ago, stars merged and exploded, creating uranium that eventually became embedded in the Earth. As uranium decays as part of a natural process, it emits radon, a radioactive gas.

Most radon inspection costs range from $146 to $716, though a typical average is $420. Homeowners anticipating the cost of a radon inspection will need to consider factors such as the home size, ...

Until relatively recently, the dangers posed by radon and its decay products were largely unknown. Although the presence of radon in indoor air was documented as early as 1950, it was only regarded as ...

Radon is a naturally occurring gas that seeps out of rocks and soil. Radon comes from uranium that has been in the ground since the time the earth was formed, and the rate of radon seepage is variable ...

The National Institute for Occupational Safety and Health (NIOSH) has identified several potential occupational health risks on oil and gas well sites. These include noise, silica, hydrocarbons, and ...

Radon has affected human health throughout history although it wasn't until 1988 that it was officially declared a human carcinogen. Radon originates as a part of the natural decay process of uranium ...

There is a silent threat building up in the basements and crawl spaces of millions of American homes, and most people have no idea it is there. Radon is a naturally occurring radioactive gas that is ...

This article is co-published with ProPublica, a nonprofit newsroom that investigates abuses of power. About 5 billion years ago, stars merged and exploded, creating uranium that eventually became ...

ProPublica is a nonprofit newsroom that investigates abuses of power. Sign up for Dispatches, a newsletter that spotlights wrongdoing around the country, to receive our stories in your inbox every ...