The cases reported in these miners cannot be attributed solely to radon or radon daughters but may be due to exposure to silica ... Radiation exposure from radon is indirect. The health hazard from radon does not come primarily from radon itself, but rather ... Because atmospheric radon concentrations are very low, radon-rich water exposed to air continually loses radon by ... Radon and radon publications at the United States Environmental Protection Agency Radon Information from the UK Health ...

The decay of radon produces many other short-lived nuclides, known as "radon daughters", ending at stable isotopes of lead. ... Unlike the gaseous radon itself, radon daughters are solids and stick to surfaces, such as airborne dust particles, which can ... Radon exposure (mostly radon daughters) has been linked to lung cancer in numerous case-control studies performed in the US, ... High levels of radon in the water supply can also increase indoor radon air levels. Typical entry points of radon into ...

Note that exposure to smoke at the same time as radon and radon daughters will increase the harmful effect of the radon. In ... Radon harms indoor air quality in many homes. (See "Radon in Houses" below.) Radon (222Rn) released into the air decays to ... Radon is a decay product of radium which in turn is a decay product of uranium. Maps of average radon levels in houses are ... Radon concentration in open air varies between 1 and 100 Bq m−3. Radon can be found in some spring waters and hot springs. The ...

"Lung cancer mortality among nonsmoking uranium miners exposed to radon daughters". JAMA. 262 (5): 629-633. doi:10.1001/jama. ... Inhalation of radon gas caused sharp increases in lung cancers among underground uranium miners employed in the 1940s and 1950s ... The federal government eventually regulated the standard amount of radon in mines, setting the level at 0.3 WL on January 1, ... Uranium mining produces toxic tailings that are radioactive and may contain other toxic elements such as radon. Dust and water ...

Risks related to the inhalation of radon gas and the deposition of radon daughter products in the lung were discussed publicly ... "Lung cancer mortality among nonsmoking uranium miners exposed to radon daughters". JAMA. 262 (5): 629-633. doi:10.1001/jama. ... Inhalation of radon gas caused sharp increases in lung cancers among underground uranium miners employed in the 1940s and 1950s ... Inhalation of radon gas caused sharp increases in lung cancers among underground uranium miners employed in the 1940s and 1950s ...

Radon's Deadly Daughters: Science, Environmental Policy, and the Politics of Risk. Rowman & Littlefield. pp. 259-. ISBN 978-0- ... Described by The New York Times in 1988 as having "conquered the worst residential radon hotspot known in the United States" ... It is interesting to look at the converse situation, where radon is actively managed so as to avoid environmental stigma. Mayor ... McMahon commended Clinton Town Mayor Robert Nulman for responding to the radon problem in several homes in his community by ...

It was defined as the quantity of radon (ignoring its daughter isotopes; in practice, mostly radon-222) per litre of air which ...

A significant amount of radium's danger comes from its daughter radon: Being a gas, it can enter the body far more readily than ... Radium is highly radioactive, and its immediate daughter, radon gas, is also radioactive. When ingested, 80% of the ingested ... as it is the only reasonably long-lived radium isotope which does not have radon as one of its daughters. Radium is still used ... Radium (usually in the form of radium chloride or radium bromide) was used in medicine to produce radon gas, which in turn was ...

The Earth's natural supply of elements like radon and polonium is via this mechanism. The atmosphere's supply of argon-40 is ... These mechanisms include: Radioactive decay may lead to radiogenic daughter nuclides. The nuclear decay of many long-lived ... primordial isotopes, especially uranium-235, uranium-238, and thorium-232 produce many intermediate daughter nuclides before ...

As radon decays, it produces radioactive decay products. If the contaminated dust of these "radon daughters" are inhaled, they ... Radon (Rn) is a naturally occurring product of the decay of uranium or thorium. Its most stable isotope, Radon-222, has a half- ... Higher levels of Lead-210, the decay product of Radon-222, have been found on the airborne particulate matters that are ... Retrieved 14 January 2022.{{cite web}}: CS1 maint: archived copy as title (link) "Public Health Fact Sheet on Radon - Health ...

"Radon: the invisible gas that's a bigger killer than carbon monoxide". The Guardian. Retrieved 19 September 2021. (Use dmy ... Concentrations of this radioactive gas and its 'daughter products' are found within caves. Individual sheets of the British ... The Dales are one of those regions where naturally produced radon is considered a hazard. ...

Radon and radium are not actinides-they are both radioactive daughters from the decay of uranium. Aspects of their biology and ...

Thorium is radioactive and produces the radioactive gas radon-220 as one of its decay products. Moreover, when heated to ... incandescence, the thorium volatilizes its in-growth radio-daughters, particularly radium-224. Despite its very short half-life ...

The general population is exposed to small amounts of polonium as a radon daughter in indoor air; the isotopes 214Po and 218Po ... Health Risks of Radon and Other Internally Deposited Alpha-Emitters: BEIR IV. National Academy Press. 1988. p. 5. ISBN 978-0- ... 210Po is an alpha emitter that has a half-life of 138.4 days; it decays directly to its stable daughter isotope, 206Pb. A ... Tidd, M. J. (2008). "The big idea: polonium, radon and cigarettes". Journal of the Royal Society of Medicine. 101 (3): 156-7. ...

... its short-lived daughter Radon-220 is released from the seed through recoil energy. The daughters of Radon-220, in particular ... The daughter atoms of Radium-224 can each diffuse several millimeters in tumor tissue, while emitting alpha particles. The ...

After mining, the area suffered elevated gamma radiation, alpha-radioactive dust, and significant radon daughter concentrations ...

Along with Irène Joliot-Curie, she first measured the Half-life of radon. She also undertook extensive research on the ... Born on 13 December 1888 in Odessa, Catherine Chamié was the daughter of the Franco-Syrian notary Antoine Chamié, and his ...

Their daughter Brigitte, born in 1924, obtained a Ph.D. in mathematics at the University of Innsbruck and married the Austrian ... Radon spaces Radonifying function Brigitte Bukovics: Biography of Johann Radon, in: 75 Years of Radon Transform, S. Gindikin ... Radon is known for a number of lasting contributions, including: his part in the Radon-Nikodym theorem; the Radon measure ... the Radon-Hurwitz numbers. He is possibly the first to make use of the so-called Radon-Riesz property. ...

The hazardous elements found in NORM are radium 226, 228 and radon 222 and also daughter products from these radionuclides. The ... Radon gas in the natural gas streams concentrate as NORM in gas processing activities. Radon decays to lead-210, then to ... Radon decay elements occur as a shiny film on the inner surface of inlet lines, treating units, pumps and valves associated ... Enhanced concentrations of the radium 226 and 228 and the daughter products such as lead-210 may also occur in sludge that ...

The problem with handling radium bearing ores was that one of radium's daughter particles is radon: an invisible radioactive ...

At higher concentrations, gaseous 222Rn may be inhaled and decay before exhalation, which leads to a buildup of its daughters ... Radon-222 (222Rn, Rn-222, historically radium emanation or radon) is the most stable isotope of radon, with a half-life of ... Radon-222 is generated in the uranium series from the alpha decay of radium-226, which has a half-life of 1600 years. Radon-222 ... In 1957, the name radon, formerly the name of only radon-222, became the name of the element. Owing to its gaseous nature and ...

Household Radon Survey: Radon and its radioactive daughters present in the environment results are a contribution to the ... The study of radon and its progeny exposure in dwellings is important as it can result in an inhalation risk to the population ... A Solid State Nuclear Track Detector technique has been employed to study radon exposure in the dwellings of Kathmandu Valley. ...

He was married in 1917 in Berlin to a former Wagnerian opera singer, Margarete Therese Louise (née Radon; 1890-1987), later ... The youngest daughter, Virginia (1927-1968), flourished as a child actress. Sons George (1926-1989), Werther (later known as ...

This element is now named radon, the only one of the rare radioelements to be discovered in nature as a daughter of thorium ... radon, radium, and actinium. Natural thorium samples can be chemically purified to extract useful daughter nuclides, such as ... As the dangerous daughters of thorium have much lower melting points than thorium dioxide, they are volatilised every time the ... If a thorium-containing object has been chewed or sucked, it loses 0.4% of thorium and 90% of its dangerous daughters to the ...

The most important of these are thorium-230, radium-226, radon-222 (radon gas) and the daughter isotopes of radon decay, ... Radium then decays over thousands of years and radioactive radon gas is produced. Tailings are kept in piles for long-term ...

... -223 is a fifth product of the uranium-235 decay series as a daughter isotope of actinium-227; thorium-227 is the more ... All isotopes of francium decay into astatine, radium, or radon. Francium-223 also has a shorter half-life than the longest- ... It is the ninth product of the neptunium decay series as a daughter isotope of actinium-225. Francium-221 then decays into ... The only comparable element is astatine, whose most stable natural isotope, astatine-219 (the alpha daughter of francium-223), ...

A person can be exposed to uranium (or its radioactive daughters, such as radon) by inhaling dust in air or by ingesting ... Radon Exposures to Workers at the Fernald Feed Materials Production Center. Page reviewed: April 8, 2020. U.S. National ... The constant rates of decay in these decay series makes the comparison of the ratios of parent to daughter elements useful in ... especially radon, is a significant health threat. Exposure to strontium-90, iodine-131, and other fission products is unrelated ...

Radon Daughters, a novel influenced by the work of William Hope Hodgson, formed the third part of a trilogy with White Chappell ... 1991 Radon Daughters, novel, 1994 Conductors of Chaos: a Poetry Anthology, editor 1996 Penguin Modern Poets Volume Ten: Douglas ... Travelling with his daughter, Farne, filmmaker Grant Gee, and poet and translator Adolfo Barberá del Rosal, the journey was ...

He was survived by his daughter Nancy and son John. He had arranged to be cremated and to have his ashes interred with Beverly ... The Geiger counters were calibrated using a radon-beryllium source, and Agnew received too high a dose of radiation. He was ... Agnew and Beverly had two children, a daughter Nancy, and a son, John. At the Metallurgical Laboratory, Agnew worked with ...

She organized a large case-control study of radon and lung cancer in cave dwellers in China that included evaluation of other ... She has a daughter. Kleinerman, Ruth (2016). Second Cancers Following Treatment for Retinoblastoma (doctoral). OCLC 1064951389 ...