A naturally radioactive element with atomic symbol Rn, atomic number 86, and atomic weight 222. It is a member of the noble gas family found in soil, and is released during the decay of radium.
Short-lived radioactive decay products of radon that include 216-Po, 214-Pb, 214-Bi, and 214-Po. They have an effective half-life of about 30 minutes and are solids that can deposit on the bronchial airways during inhalation and exhalation. This results in exposure of the respiratory airways to alpha radiation and can lead to diseases of the respiratory system, including lung cancer. (From Casarett and Doull's Toxicology, 4th ed, p740)
Pollutants, present in air, which exhibit radioactivity.
Radioactive air pollution refers to the presence and circulation of radioactive particles or gases in the atmosphere, originating from human activities such as nuclear power plant accidents, nuclear weapons testing, or improper disposal of radioactive waste, which can pose significant health risks to living organisms due to ionizing radiation exposure.
'Mining' in medical terminology is not a commonly used term, but it can refer to the process of extracting or excavating minerals or other resources from the earth, which can have health impacts such as respiratory diseases and hearing loss among workers in the mining industry.
The contamination of indoor air.
Tumors, cancer or other neoplasms produced by exposure to ionizing or non-ionizing radiation.
Uranium. A radioactive element of the actinide series of metals. It has an atomic symbol U, atomic number 92, and atomic weight 238.03. U-235 is used as the fissionable fuel in nuclear weapons and as fuel in nuclear power reactors.
Carcinogenic substances that are found in the environment.
Radioactive substances which act as pollutants. They include chemicals whose radiation is released via radioactive waste, nuclear accidents, fallout from nuclear explosions, and the like.
The observation, either continuously or at intervals, of the levels of radiation in a given area, generally for the purpose of assuring that they have not exceeded prescribed amounts or, in case of radiation already present in the area, assuring that the levels have returned to those meeting acceptable safety standards.
Living facilities for humans.
Removal of ENVIRONMENTAL POLLUTANTS or contaminants for the general protection of the environment. This is accomplished by various chemical, biological, and bulk movement methods, in conjunction with ENVIRONMENTAL MONITORING.
Pollutants, present in soil, which exhibit radioactivity.
Radiation from sources other than the source of interest. It is due to cosmic rays and natural radioactivity in the environment.
Tumors or cancer of the LUNG.
The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals.
Pollutants, present in water or bodies of water, which exhibit radioactivity.

Exposure to indoor background radiation and urinary concentrations of 8-hydroxydeoxyguanosine, a marker of oxidative DNA damage. (1/218)

We investigated whether exposure to indoor [gamma]-radiation and radon might be associated with enough free radical formation to increase urinary concentrations of 8-hydroxydeoxyguanosine (8-OHdG), a sensitive marker of DNA damage, due to a hydroxyl radical attack at the C8 of guanine. Indoor radon and [gamma]-radiation levels were measured in 32 dwellings for 6 months by solid-state nuclear track detectors and thermoluminescent dosimeters, respectively. Urine samples for 8-OHdG determinations were obtained from 63 healthy adult subjects living in the measured dwellings. An overall tendency toward increasing levels of 8-OHdG with increasing levels of radon and [gamma]-radiation was seen in the females, presumably due to their estimated longer occupancy in the dwellings measured. Different models were considered for females, with the steepest slopes obtained for [gamma]-radiation with a coefficient of 0.500 (log nmol/l of 8-OHdG for each unit increase of [gamma]-radiation on a log scale) (p<0.01), and increasing to 0.632 (p = 0.035), but with larger variance, when radon was included in the model. In conclusion, there seems to be an effect of indoor radioactivity on the urinary excretion of 8-OHdG for females, who are estimated to have a higher occupancy in the dwellings measured than for males, for whom occupational and other agents may also influence 8-OHdG excretion. ree radicals; [gamma]-radiation; radon.  (+info)

Radon and lung cancer: a cost-effectiveness analysis. (2/218)

OBJECTIVES: This study examined the cost-effectiveness of general and targeted strategies for residential radon testing and mitigation in the United States. METHODS: A decision-tree model was used to perform a cost-effectiveness analysis of preventing radon-associated deaths from lung cancer. RESULTS: For a radon threshold of 4 pCi/L, the estimated costs to prevent 1 lung cancer death are about $3 million (154 lung cancer deaths prevented), or $480,000 per life-year saved, based on universal radon screening and mitigation, and about $2 million (104 lung cancer deaths prevented), or $330,000 per life-year saved, if testing and mitigation are confined to geographic areas at high risk for radon exposure. For mitigation undertaken after a single screening test and after a second confirmatory test, the estimated costs are about $920,000 and $520,000, respectively, to prevent a lung cancer death with universal screening and $130,000 and $80,000 per life-year for high risk screening. The numbers of preventable lung cancer deaths are 811 and 527 for universal and targeted approaches, respectively. CONCLUSIONS: These data suggest possible alternatives to current recommendations.  (+info)

p53 Mutations in lung cancer associated with residential radon exposure. (3/218)

Unusual mutation patterns in lung tumors among underground miners have been indicated, suggesting radon-specific alterations in the genome, but the data are not consistent. To investigate the association between residential radon exposure and p53 mutations in lung tumors, we performed a study on cases from a nation-wide population-based investigation in Sweden. Our study included 83 nonsmoking lung cancer cases and 250 smoking lung cancer cases, diagnosed 1980-1984, with a time-weighted average radon exposure over 140 Bq/m3 or up to 50 Bq/m3. Radon was measured in dwellings occupied by the study subjects at some time since 1947. Information on smoking habits and other risk factors was obtained from questionnaires. After exclusions because of the initiation of treatment or insufficient material, the p53-status of 243 tumors was determined using PCR-single-stranded conformation polymorphism analysis and sequencing determination of exons 5-8. The overall mutation prevalence was 23.9%. An increased mutation prevalence was suggested among those with high exposure to residential radon [odds ratio (OR), 1.4; 95% CI, 0.7-2.6], especially among nonsmokers (OR, 3.2; 95% CI, 0.7-15.5), but no specific mutational pattern was indicated. Furthermore, the mutation prevalence seemed to be higher among smoking lung cancer cases than among nonsmoking cases (OR, 2.1; 95% CI, 0.9-5.0), and particularly among those smoking less than 10 cigarettes per day. It may be concluded that residential exposure to radon seems to contribute to a higher mutation prevalence of the p53 gene in lung tumors.  (+info)

A healthy home environment? (4/218)

Over the past seven years, the U.S. Environmental Protection Agency has consistently ranked indoor air pollution among the top five risks to public health. One of the most dangerous indoor air pollutants is carbon monoxide (CO). CO can be lethal, but perhaps more important, many people suffer ill health from chronic, often undetected exposure to low levels of this gas, resulting in fatigue, headache, dizziness, nausea, and vomiting. Another dangerous pollutant is volatile organic compounds (VOCs), which come from sources including building products, cleaning agents, and paints. One VOC, formaldehyde, can act as an irritant to the conjunctiva and upper and lower respiratory tract. Formaldehyde is also known to cause nasal cancer in test animals.  (+info)

Residential radon exposure and risk of lung cancer in Missouri. (5/218)

OBJECTIVES: This study investigated residential radon exposure and lung cancer risk, using both standard radon dosimetry and a new radon monitoring technology that, evidence suggests, is a better measure of cumulative radon exposure. METHODS: Missouri women (aged 30 to 84 years) newly diagnosed with primary lung cancer during the period January 1, 1993, to January 31, 1994, were invited to participate in this population-based case-control study. Both indoor air radon detectors and CR-39 alpha-particle detectors (surface monitors) were used. RESULTS: When surface monitors were used, a significant trend in lung cancer odds ratios was observed for 20-year time-weighted-average radon concentrations. CONCLUSIONS: When surface monitors were used, but not when standard radon dosimetry was used, a significant lung cancer risk was found for radon concentrations at and above the action level for mitigation of houses currently used in the United States (148 Bqm-3). The risk was below the action level used in Canada (750 Bqm-3) and many European countries (200-400 Bqm-3).  (+info)

Radon testing in households with a residential smoker--United States, 1993-1994. (6/218)

Epidemiologic investigations of underground miners and studies of alpha particle carcinogenesis among laboratory animals suggest that exposure to the radioactive decay products (progeny) of radon is an important risk factor for lung cancer. Persons who smoke cigarettes and are exposed to these radon progeny have a substantially greater risk for developing malignancy than nonsmokers. Residential radon concentrations above the U.S. Environmental Protection Agency's (EPA) action level of 4 pCi/L are the primary sources of exposure among the general population. EPA and the Public Health Service promote home testing for radon, especially in households with a person who smokes. However, it is unknown whether households that contain smokers are more likely than those without smokers to test for radon. To characterize radon testing practices of households that contain a person who smokes within the dwelling (i.e., residential smoker), CDC analyzed survey data from the National Health Interview Survey (NHIS). This report summarizes the results of this analysis, which indicates that households with a residential smoker are significantly less likely to test for radon than those without smokers.  (+info)

Intercomparison of retrospective radon detectors. (7/218)

We performed both a laboratory and a field intercomparison of two novel glass-based retrospective radon detectors previously used in major radon case-control studies performed in Missouri and Iowa. The new detectors estimate retrospective residential radon exposure from the accumulation of a long-lived radon decay product, (210)Pb, in glass. The detectors use track registration material in direct contact with glass surfaces to measure the alpha-emission of a (210)Pb-decay product, (210)Po. The detector's track density generation rate (tracks per square centimeter per hour) is proportional to the surface alpha-activity. In the absence of other strong sources of alpha-emission in the glass, the implanted surface alpha-activity should be proportional to the accumulated (210)Po, and hence to the cumulative radon gas exposure. The goals of the intercomparison were to a) perform collocated measurements using two different glass-based retrospective radon detectors in a controlled laboratory environment to compare their relative response to implanted polonium in the absence of environmental variation, b) perform collocated measurements using two different retrospective radon progeny detectors in a variety of residential settings to compare their detection of glass-implanted polonium activities, and c) examine the correlation between track density rates and contemporary radon gas concentrations. The laboratory results suggested that the materials and methods used by the studies produced similar track densities in detectors exposed to the same implanted (210)Po activity. The field phase of the intercomparison found excellent agreement between the track density rates for the two types of retrospective detectors. The correlation between the track density rates and direct contemporary radon concentration measurements was relatively high, considering that no adjustments were performed to account for either the residential depositional environment or glass surface type. Preliminary comparisons of the models used to translate track rate densities to average long-term radon concentrations differ between the two studies. Further calibration of the retrospective detectors' models for interpretation of track rate density may allow the pooling of studies that use glass-based retrospective radon detectors to determine historic residential radon exposures.  (+info)

Indoor residential radon exposure and risk of childhood acute myeloid leukaemia. (8/218)

Exposure to radon has been identified as a risk factor for lung cancer in uranium miners, but evidence of adverse health effects due to indoor radon exposure is inconsistent. Ecological studies have suggested a correlation between indoor radon levels and leukaemia incidence. We evaluated the risk associated with indoor residential radon exposure within a larger interview-based case-control study of risk factors for childhood acute myeloid leukaemia (AML). A total of 173 cases and 254 controls met the eligibility criteria, and information was collected through telephone interviews with parents and analysis of alpha-track radon detectors placed in the home for a period of 1 year. No association was observed between radon exposure and risk of AML, with adjusted odds ratios of 1.2 (95% confidence interval (CI) 0.7-1.8) for 37-100 Bq m(-3) and 1.1 (95% CI 0.6-2.0) for > 100 Bq m(-3) compared with < 37 Bq m(-3). Although there was an inverse association between radon level and AML risk among children < 2 years at diagnosis, among children > or = 2 years, AML risk was increased among those with higher radon exposure. The observed association after age 2 is most likely due to chance. Overall, there was no association between residential radon and risk of childhood AML.  (+info)

Radon is a colorless, odorless, radioactive gas that occurs as a result of the decay of radium in rocks and soil. It is denser than air and can accumulate in buildings, particularly in basements and lower levels without adequate ventilation. Inhalation of high concentrations of radon over time can increase the risk of developing lung cancer. Radon is measured in units of picocuries per liter (pCi/L) or becquerels per cubic meter (Bq/m3).

"Radon daughters" is a term used in the field of radiological physics and health physics. It refers to the radioactive decay products or progeny that are formed when radon gas, specifically radon-222, decays. Radon-222 is a natural, radioactive gas produced by the decay of radium-226 in the Earth's crust.

When radon-222 decays, it forms a series of short-lived radioactive solid particles called "radon daughters" or "radon progeny." These include polonium-218, lead-214, bismuth-214, and polonium-214. Since these radon daughters are charged particles, they can attach to dust, smoke, or other airborne particles in the atmosphere. When inhaled, they can irradiate lung tissue and contribute to the risk of developing lung cancer.

It's important to note that while radon gas itself is colorless, odorless, and tasteless, its decay products can be visible as a dark deposit on surfaces or detected using specialized equipment. Effective ventilation and filtration systems can help reduce exposure to both radon gas and its radioactive progeny.

Radioactive air pollutants refer to radioactive particles or gases that are present in the atmosphere and can have harmful effects on human health and the environment. These pollutants can originate from a variety of sources, including nuclear power plants, nuclear weapons testing, industrial processes, and natural events such as volcanic eruptions.

Radioactive air pollutants emit ionizing radiation, which has the ability to damage living tissue and DNA. Exposure to high levels of ionizing radiation can increase the risk of cancer, genetic mutations, and other health problems. Even low levels of exposure over a long period of time can have harmful effects on human health.

Some common radioactive air pollutants include radon gas, which is produced by the decay of uranium in soil and rocks and can seep into buildings through cracks in the foundation; and cesium-137 and iodine-131, which were released into the atmosphere during nuclear weapons testing and accidents at nuclear power plants.

Efforts to reduce radioactive air pollution include stricter regulations on nuclear power plants and other industrial sources of radiation, as well as efforts to reduce emissions from nuclear weapons testing and cleanup of contaminated sites.

Radioactive air pollution refers to the presence of radioactive particles or radionuclides in the air. These substances emit ionizing radiation, which can be harmful to human health and the environment. Radioactive air pollution can come from a variety of sources, including nuclear power plants, nuclear weapons testing, industrial activities, and natural processes such as the decay of radon gas.

Exposure to radioactive air pollution can increase the risk of developing cancer and other diseases, particularly in cases of prolonged or high-level exposure. It is important to monitor and regulate radioactive air pollution to protect public health and ensure compliance with safety standards.

I'm sorry for any confusion, but "mining" is not a term that has a widely accepted medical definition. It is most commonly associated with the extraction of minerals from the earth in the field of geology and mining engineering. If you have any questions related to health or medicine, I would be happy to try to help answer those for you!

Indoor air pollution refers to the contamination of air within buildings and structures due to presence of particles, gases, or biological materials that can harmfully affect the health of occupants. These pollutants can originate from various sources including cooking stoves, heating systems, building materials, furniture, tobacco products, outdoor air, and microbial growth. Some common indoor air pollutants include particulate matter, carbon monoxide, nitrogen dioxide, sulfur dioxide, volatile organic compounds (VOCs), and mold. Prolonged exposure to these pollutants can cause a range of health issues, from respiratory problems to cancer, depending on the type and level of exposure. Effective ventilation, air filtration, and source control are some of the strategies used to reduce indoor air pollution.

Radiation-induced neoplasms are a type of cancer or tumor that develops as a result of exposure to ionizing radiation. Ionizing radiation is radiation with enough energy to remove tightly bound electrons from atoms or molecules, leading to the formation of ions. This type of radiation can damage DNA and other cellular structures, which can lead to mutations and uncontrolled cell growth, resulting in the development of a neoplasm.

Radiation-induced neoplasms can occur after exposure to high levels of ionizing radiation, such as that received during radiation therapy for cancer treatment or from nuclear accidents. The risk of developing a radiation-induced neoplasm depends on several factors, including the dose and duration of radiation exposure, the type of radiation, and the individual's genetic susceptibility to radiation-induced damage.

Radiation-induced neoplasms can take many years to develop after initial exposure to ionizing radiation, and they often occur at the site of previous radiation therapy. Common types of radiation-induced neoplasms include sarcomas, carcinomas, and thyroid cancer. It is important to note that while ionizing radiation can increase the risk of developing cancer, the overall risk is still relatively low, especially when compared to other well-established cancer risk factors such as smoking and exposure to certain chemicals.

I'm sorry for any confusion, but "Uranium" is not a medical term. It is a chemical element with the symbol "U" and atomic number 92. Uranium is a dense, silvery-gray metal that is hard and brittle at room temperature. It's primarily used as a fuel in nuclear power plants and in the manufacture of weapons.

While uranium does not have direct medical applications, it does pose potential health risks due to its radioactivity. Exposure to high levels of radiation from uranium can lead to acute radiation sickness, anemia, and an increased risk of cancer. However, under normal circumstances, the general public is not exposed to significant amounts of uranium, so it's not a common health concern.

Carcinogens are agents that can cause cancer. According to the National Institute of Environmental Health Sciences (NIEHS), environmental carcinogens refer to "cancer-causing agents that people encounter in their daily lives, including substances or exposures in air, water, food, and in the workplace." These carcinogens can increase the risk of cancer by damaging DNA or interfering with cellular processes that control growth.

Examples of environmental carcinogens include:

* Air pollution: Certain pollutants in the air, such as diesel exhaust particles and secondhand smoke, have been linked to an increased risk of lung cancer.
* Radon: A naturally occurring radioactive gas that can accumulate in homes and other buildings, radon is the second leading cause of lung cancer in the United States.
* UV radiation: Exposure to ultraviolet (UV) radiation from the sun or tanning beds can lead to skin cancer.
* Certain chemicals: Some chemicals found in the workplace or in consumer products, such as asbestos, benzene, and vinyl chloride, have been linked to an increased risk of cancer.
* Infectious agents: Certain viruses, bacteria, and parasites can increase the risk of cancer. For example, human papillomavirus (HPV) is a major cause of cervical cancer, and hepatitis B and C viruses are leading causes of liver cancer.

It's important to note that exposure to environmental carcinogens does not guarantee that a person will develop cancer. The risk depends on many factors, including the level and duration of exposure, as well as individual susceptibility. However, reducing exposure to these agents can help reduce the overall risk of cancer.

Radioactive pollutants are defined as any harmful radioactive substances that are discharged into the environment and pose risks to human health and the ecosystem. These pollutants can be in the form of gases, liquids, or solids and can contaminate air, water, and soil. They originate from various sources such as nuclear power plants, medical facilities, industrial operations, and military activities.

Radioactive pollutants emit ionizing radiation, which can cause damage to living cells and DNA, leading to genetic mutations, cancer, and other health problems. Exposure to high levels of radioactivity can result in acute radiation sickness, including symptoms such as nausea, vomiting, diarrhea, and fever. Long-term exposure to low levels of radiation can increase the risk of developing cancer and other diseases over time.

Radioactive pollutants can also have negative impacts on the environment, contaminating soil and water and reducing biodiversity in affected areas. They can persist in the environment for long periods, making it difficult to clean up and remediate contaminated sites. Therefore, proper management and regulation of radioactive materials are essential to prevent their release into the environment and protect public health and the environment.

Radiation monitoring is the systematic and continuous measurement, assessment, and tracking of ionizing radiation levels in the environment or within the body to ensure safety and to take appropriate actions when limits are exceeded. It involves the use of specialized instruments and techniques to detect and quantify different types of radiation, such as alpha, beta, gamma, neutron, and x-rays. The data collected from radiation monitoring is used to evaluate radiation exposure, contamination levels, and potential health risks for individuals or communities. This process is crucial in various fields, including nuclear energy production, medical imaging and treatment, radiation therapy, and environmental protection.

I'm sorry for any confusion, but "housing" is not a term that has a medical definition. In a general sense, housing refers to a place where someone lives, such as a house or apartment. If you have any questions related to healthcare, medicine, or health-related topics, I would be happy to try to help answer them.

Environmental remediation is the process of treating, removing, or containing contamination from environmental media such as soil, groundwater, sediment, or surface water for the purpose of reducing the impact on human health and the environment. The goal of environmental remediation is to return the contaminated area to its original state, or to a state that is safe for use and poses no significant risk to human health or the environment. This process often involves various techniques such as excavation, soil washing, bioremediation, chemical treatment, and thermal treatment. The specific method used depends on the type and extent of contamination, as well as site-specific conditions.

Radioactive soil pollutants refer to radioactive substances that contaminate and negatively impact the chemical, physical, and biological properties of soil. These pollutants can arise from various sources such as nuclear accidents, industrial activities, agricultural practices, and military testing. They include radionuclides such as uranium, plutonium, cesium-137, and strontium-90, among others.

Exposure to radioactive soil pollutants can have serious health consequences for humans and other living organisms. Direct contact with contaminated soil can result in radiation exposure, while ingestion or inhalation of contaminated soil particles can lead to internal radiation exposure. This can increase the risk of cancer, genetic mutations, and other health problems.

Radioactive soil pollutants can also have negative impacts on the environment, such as reducing soil fertility, disrupting ecosystems, and contaminating water sources. Therefore, it is essential to monitor and regulate radioactive soil pollution to protect human health and the environment.

Background radiation refers to the ionizing radiation that is present in the natural environment and originates from various sources, both natural and human-made. The term "background" indicates that this radiation exists as a constant presence that is always present, even if at low levels.

The primary sources of natural background radiation include:

1. Cosmic radiation: High-energy particles from space, such as protons and alpha particles, continuously bombard the Earth's atmosphere. When these particles collide with atoms in the atmosphere, they produce secondary particles called muons and neutrinos, which can penetrate through buildings and living tissues, contributing to background radiation exposure.
2. Terrestrial radiation: Radioactive elements present in the Earth's crust, such as uranium, thorium, and potassium-40, emit alpha and gamma radiation. These radioactive elements are found in rocks, soil, and building materials, leading to varying levels of background radiation depending on location.
3. Radon: A naturally occurring radioactive gas produced by the decay of radium, which is present in trace amounts in rocks and soil. Radon can accumulate in buildings, particularly in basements and crawl spaces, leading to increased exposure for occupants.

Human-made sources of background radiation include medical diagnostic procedures (e.g., X-rays and CT scans), consumer products (e.g., smoke detectors containing americium-241), and residual nuclear fallout from past nuclear weapons testing or accidents, such as the Chernobyl disaster.

It is important to note that background radiation levels vary significantly depending on location, altitude, geology, and other factors. While it is not possible to avoid background radiation entirely, understanding its sources and taking appropriate precautions when exposed to higher levels (e.g., limiting time in high radon areas) can help minimize potential health risks associated with ionizing radiation exposure.

Lung neoplasms refer to abnormal growths or tumors in the lung tissue. These tumors can be benign (non-cancerous) or malignant (cancerous). Malignant lung neoplasms are further classified into two main types: small cell lung carcinoma and non-small cell lung carcinoma. Lung neoplasms can cause symptoms such as cough, chest pain, shortness of breath, and weight loss. They are often caused by smoking or exposure to secondhand smoke, but can also occur due to genetic factors, radiation exposure, and other environmental carcinogens. Early detection and treatment of lung neoplasms is crucial for improving outcomes and survival rates.

Environmental exposure refers to the contact of an individual with any chemical, physical, or biological agent in the environment that can cause a harmful effect on health. These exposures can occur through various pathways such as inhalation, ingestion, or skin contact. Examples of environmental exposures include air pollution, water contamination, occupational chemicals, and allergens. The duration and level of exposure, as well as the susceptibility of the individual, can all contribute to the risk of developing an adverse health effect.

Radioactive water pollutants refer to contaminants in water sources that contain radioactive materials. These materials can include substances such as radium, uranium, and cesium, which emit ionizing radiation. This type of pollution can occur through various means, including the disposal of radioactive waste from nuclear power plants, hospitals, and research facilities; oil and gas drilling operations; and mining activities.

Exposure to radioactive water pollutants can have serious health consequences, as ionizing radiation has been linked to an increased risk of cancer, genetic mutations, and other harmful effects. Therefore, it is essential to regulate and monitor radioactive water pollution to protect public health and the environment.

High levels of radon in the water supply can also increase indoor radon air levels. Typical entry points of radon into ... Look up radon in Wiktionary, the free dictionary. Wikiversity has learning resources about Radon atom Radon at the United ... Radon concentrations can vary daily, and accurate radon exposure estimates require long-term average radon measurements in the ... To be classified as a radon mineral water, radon concentration must be above 2 nCi/L (74 kBq/m3). The activity of radon mineral ...
"Radon measurements in residential dwellings". "Radon boliger 2013" (PDF). "Legislation". "Radon: Myth vs Fact". Radon-Rid/EPA. ... Radon mitigation is any process used to reduce radon gas concentrations in the breathing zones of occupied buildings, or radon ... Because high levels of radon have been found in every state of the United States, testing for radon and installing radon ... "A Citizen's Guide to Radon". EPA. Retrieved 2010-04-03. "Radon Mitigation Methods". Radon Solution. Archived from the original ...
... this proof was the motivation for Radon's original discovery of Radon's theorem. Radon's theorem can also be used to calculate ... In geometry, Radon's theorem on convex sets, published by Johann Radon in 1921, states that: Any set of d + 2 points in Rd can ... The Radon point of three points in a one-dimensional space is just their median. The geometric median of a set of points is the ... The Radon point of any four points in the plane is their geometric median, the point that minimizes the sum of distances to the ...
Radon may also refer to: Radon, Orne, a town in France Johann Radon, Austrian mathematician Radon transform, a type of ... Look up Radon or radon in Wiktionary, the free dictionary. Radon is a chemical element with symbol Rn and atomic number 86. ... Rn (disambiguation) Isotopes of radon All pages with titles beginning with Radon All pages with titles containing Radon Raydon ... known as Radon in Japanese, a fictional monster in the manner of Godzilla MSBS Radon, Polish assault rifle Jaroslav Radoň (born ...
Radon (French pronunciation: [ʁadɔ̃] ) is a former commune in the Orne department in north-western France. On 1 January 2016, ... Wikimedia Commons has media related to Radon (Orne). v t e (Pages using the Phonos extension, Articles with French-language ...
When radon is heated to 400 °C with fluorine, radon difluoride is formed. Radon difluoride can be reduced to radon and hydrogen ... Radon difluoride (RnF 2) is a compound of radon, a radioactive noble gas. Radon reacts readily with fluorine to form a solid ... The usefulness of radon compounds is limited because of the radioactivity of radon. The longest-lived isotope, radon-222, has a ... Stein, Lawrence (1987). "Chemical Properties of Radon". Radon and its Decay Products. ACS Symposium Series. Vol. 331. pp. 240- ...
Radon S Small-sized model for light pilots. Its 11.9 m (39.0 ft) span wing has a wing area of 22.17 m2 (238.6 sq ft), 57 cells ... Radon M Mid-sized model for medium-weight pilots. Its 12.42 m (40.7 ft) span wing has a wing area of 24.16 m2 (260.1 sq ft), 57 ... Radon XS Extra small-sized model for lighter pilots. Its 11.35 m (37.2 ft) span wing has a wing area of 20.18 m2 (217.2 sq ft ... Radon L Large-sized model for heavier pilots. Its 12.91 m (42.4 ft) span wing has a wing area of 26.13 m2 (281.3 sq ft), 57 ...
... (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 ... radon. In particular, he studied the product in the uranium series, radon-222, which he called radium emanation. In the early ...
... is the creator of the Nebula Device, an Open Source 3D game engine. Radon Labs released its engine under MIT license ... Radon Labs was a German video game developer based in Berlin. The company was founded in 2000 as a spin-off of the company ... Radon Labs has its headquarters in Berlin and a second development studio in Halle-Leipzig. The company filed for bankruptcy in ... Radon Labs at MobyGames The Nebula Device on SourceForge The Nebula Device 3 on Google Code (Articles with short description, ...
The specific epithet radon refers to the type locality. The species occurs in the Top End of the Northern Territory, inhabiting ... Attenuizomus radon is a species of schizomid arachnid (commonly known as a short-tailed whip-scorpion) in the Hubbardiidae ... The type locality is Radon Creek (Gulungul Creek), about 11 km south of Jabiru in Kakadu National Park. The arachnids are ... 6: 77-129 [91]. "Species Attenuizomus radon (Harvey, 1992)". Australian Faunal Directory. Dept of Climate Change, Energy, the ...
A topological space is called a Radon space if every finite Borel measure is a Radon measure, and strongly Radon if every ... Any Suslin space is strongly Radon, and moreover every Radon measure is moderated. On a locally compact Hausdorff space, Radon ... Furthermore, an arbitrary Radon measure can be decomposed into four positive Radon measures, where the real and imaginary parts ... In mathematics (specifically in measure theory), a Radon measure, named after Johann Radon, is a measure on the σ-algebra of ...
... is a binary chemical compound of radon and fluorine with the chemical formula RnF 6. This is still a ... The compound is calculated to be less stable than radon difluoride. Radon hexafluoride is expected to have an octahedral ... Kang, Jaeeun; Park, Ina; Shim, Ji Hoon; Kim, Duck Young; Um, Wooyong (18 February 2023). "Prediction of stable radon fluoride ... Filatov, Michael; Cremer, Dieter (27 February 2003). "Bonding in radon hexafluoride: An unusual relativistic problem?". ...
The Radon transform data is often called a sinogram because the Radon transform of an off-center point source is a sinusoid. ... The complex analogue of the Radon transform is known as the Penrose transform. The Radon transform is widely applicable to ... The transform was introduced in 1917 by Johann Radon, who also provided a formula for the inverse transform. Radon further ... Explicit and computationally efficient inversion formulas for the Radon transform and its dual are available. The Radon ...
"Argiope radon Levi, 1983". Atlas of Living Australia. Ala.org.au. 1983. Retrieved 2020-11-11. "Argiope radon". Global ... The A. radon's carapace, the hard upper shell portion of their body, is a dark brown colour at the top and gradually fades into ... The A. radon's model predators are the blue tits. The blue tit's visual system is well-known and about 20% of their diet is ... Argiope radon is a species of orb web spider native to Australia. It is found in tropical areas of the Northern Territory, ...
A radon storm is a day-long episode of increased atmospheric radon concentration due to moving air masses. In Antarctica and ... Naturally, radon increases in concentration threefold in antarctic air in the summer months of December and January. Weller, R ... v t e (Radon, Regional climate effects, Anomalous weather, Climate of Antarctica, All stub articles, Climatology stubs). ... Balkanski, Y.J.; Jacob, D.J. (August 1988). "General circulation model simulations of radon storms at subantarctic islands". ...
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. ... University of St Andrews Johann Radon at the Mathematics Genealogy Project Johann Radon Institute for Computational and Applied ...
... are compounds formed by the element radon (Rn). Radon is a member of the zero-valence elements that are called ... Radon is also oxidised by dioxygen difluoride to RnF 2 at 173 K (−100 °C; −148 °F). Radon oxides are among the few other ... Because radon is quite electropositive for a noble gas, it is possible that radon fluorides actually take on highly fluorine- ... Radon can be oxidized by powerful oxidizing agents such as fluorine, thus forming radon difluoride (RnF 2). It decomposes back ...
... , Radon, Lists of isotopes by element). ... There are 39 known isotopes of radon (86Rn), from 193Rn to ... The most stable isotope is 222Rn with a half-life of 3.823 days, which decays into 218 Po . Five isotopes of radon, 217, 218, ...
We say that X has the Radon-Riesz property (or that X is a Radon-Riesz space) if whenever ( x n ) {\displaystyle (x_{n})} is a ... Thus H is a Radon-Riesz space. 2. Every uniformly convex Banach space is a Radon-Riesz space. See Section 3.7 of Haim Brezis' ... The Radon-Riesz property is a mathematical property for normed spaces that helps ensure convergence in norm. Given two ... It is common for the Radon-Riesz property to also be referred to as the Kadets-Klee property or property (H). According to ...
Working groups will collect and analyse information on radon risk, radon policies, radon mitigation and prevention as well as ... associated with exposure to radon, based on the establishment of a global radon database Provision of guidance on methods for ... Exposure to radon in the home and workplace is one of the main risks of ionizing radiation causing tens of thousands of deaths ... The International Radon Project (IRP) is a World Health Organization initiative to reduce the lung cancer risk around the world ...
... by the Radon-Nikodym theorem, it has a Radon-Nikodym derivative, which is a function v i : C → [ 0 , ∞ ) {\displaystyle v_{i}:C ... The term "Radon-Nikodym set" was coined by Julius Barbanel. Individual pieces set Barbanel, Julius B.; with an introduction by ... In the theory of fair cake-cutting, the Radon-Nikodym set (RNS) is a geometric object that represents a cake, based on how ...
A Banach space Y is said to have the Radon-Nikodym property if the generalization of the Radon-Nikodym theorem also holds, ... The Radon-Nikodym theorem can then be applied to the pair ν a , μ {\displaystyle \nu _{a},\mu } . Girsanov theorem Radon- ... mutatis mutandis, for functions with values in Y. All Hilbert spaces have the Radon-Nikodym property. The Radon-Nikodym theorem ... Assume that the Radon-Nikodym theorem holds, that is, for some measurable function f one has ν ( A ) = ∫ A f d μ {\displaystyle ...
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 National Radon Proficiency Program (NRPP) provides a list of radon measurement professionals. Radon levels fluctuate ...
Radon harms indoor air quality in many homes. (See "Radon in Houses" below.) Radon (222Rn) released into the air decays to ... Note that exposure to smoke at the same time as radon and radon daughters will increase the harmful effect of the radon. In ... 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 ...
Radon is also directly linked to lung cancer, and is the second leading cause of lung cancer in the populace. All of these ... The most prevalent radioactive gas detected was Radon, a noble gas that has no odor, no color, and no taste, and can also ... "Radon". National Institute of Environmental Health Sciences. Retrieved 2019-04-18. Smith, Jim; Beresford, Nicholas A. (2005). ...
"radon". Online Etymology Dictionary. Retrieved 2011-01-02. Protactinium; In 1913, Kasimir Fajans and Otto H. Göhring identified ...
Radon-222 is a gas produced by the α-decay of radium-226. Both are a part of the natural uranium decay chain. Uranium is found ... Radon is the largest cause of lung cancer among non-smokers and the second-leading cause overall. There are three standard ways ... "Health Risks". Radon. EPA. Archived from the original on 2008-10-20. Retrieved 2012-03-05. Camphausen KA, Lawrence RC. " ... An important source of natural radiation is radon gas, which seeps continuously from bedrock but can, because of its high ...
Radon Labs. Geniu$: The Tech Tycoon Game (PC). Viva Media. Rausch, Allen. "Geniu$: The Tech Tycoon Game". GameSpy. Retrieved ... Radon Labs games, Single-player video games, Video games developed in Germany, Viva Media games, Windows games, Windows-only ...
Before the Tashkent earthquake, an increase in radon levels had been noticed. The earthquake occurred at 05:23 at the very ... ISBN 978-0-8229-7389-8. Cothern, C.Richard (1987). Environmental Radon. ISBN 978-0-306-42707-7. {{cite book}}: ,journal= ... such as changes in radon levels and predicting earthquakes. A memorial stone to victims of the earthquake located above the ...
"Urban Assault". Radon Labs. 2007. Archived from the original on December 18, 2007. Retrieved January 31, 2008. "URBAN ASSAULT ... Radon Labs games, Real-time strategy video games, First-person strategy video games, Video games developed in Germany, ...
High levels of radon in the water supply can also increase indoor radon air levels. Typical entry points of radon into ... Look up radon in Wiktionary, the free dictionary. Wikiversity has learning resources about Radon atom Radon at the United ... Radon concentrations can vary daily, and accurate radon exposure estimates require long-term average radon measurements in the ... To be classified as a radon mineral water, radon concentration must be above 2 nCi/L (74 kBq/m3). The activity of radon mineral ...
Radon comes from the natural breakdown of uranium in soil, rock, and water. Second leading cause of lung cancer. Test your home ... Radon and Cancer (National Cancer Institute) Also in Spanish * Radon and Your Health (Centers for Disease Control and ... Learning about Radon: A Part of Nature (Environmental Protection Agency) - PDF * Radon in Schools (Environmental Protection ... You cant see radon. And you cant smell it or taste it. But it may be a problem in your home. Radon comes from the natural ...
If you smoke and live in a home with high radon levels, you increase your risk of developing lung cancer. Having your home ... tested is the only effective way to determine whether you and your family are at risk of high radon exposure. ... Radon is the second leading cause of lung cancer after cigarette smoking. ... Radon-associated lung cancer can be prevented by limiting exposure to radon in indoor air. You can start by testing radon ...
Radon is an odorless, radioactive gas formed from the breakdown of uranium. Exposure to high levels results in an increased ... How can radon and radon progeny affect my health?. When radon or radon progeny undergo radioactive decay, some of the decays ... How can families reduce the risk of exposure to radon and radon progeny?. Indoor radon and radon progeny levels can be reduced ... Radon-222 has a radioactive half-life of about 4 days; this means that one-half of a given amount of radon will decay to radon ...
Toxicological profile for Radon. Atlanta, GA: U.S. Department of Health and Human Services, Public Health Service. ...
What is radon?. Is radon a problem in Tennessee?. What are the health effects of radon?. How does radon enter my home?. How ... Tennessee Radon Program. tn.gov/environment/radon. Agency for Toxic Substances and Disease Registry (ATSDR). Radon. www.atsdr. ... How can I test for radon in my home?. Testing for radon in your home is very easy to do. Test your home for radon. Every home ... What is radon?. Radon is a naturally occurring radioactive gas produced by the breakdown of uranium in rocks and soils. Radon ...
All Chrys.Kelleys Items,Physicians,Radon from a Physicians Perspective - Part 6 ...
What is radon? Radon is a naturally occurring radioactive gas produced by the breakdown of uranium in rocks and soils. Radon ... Reducing Radon Levels at Home Radon-Resistant New Construction. Building a New Home? Consider radon-resistant new construction ... Two groups who train radon professionals are the National Radon Proficiency Program (NRPP) and the National Radon Safety Board ... How much radon is dangerous to my health? Radon is measured in picocuries per liter of air or pCi/L. The average concentration ...
... Survey. Statewide study of residential radon concentrations was carried out by the California Department of Health ... These results confirmed the magnitude of high radon homes found in earlier limited studies and another statewide radon survey ... Survey of Indoor Radon Concentrations in California Elementary Schools,. report by Zhou J, Liu KS, and Waldman J, May ... Annual Average Radon Concentrations in California Residences,. Liu KS, Hayward SB, Girman JR, Moed BA and Huang FY,,. J. Air ...
Please view our list of radon resources for healthcare professionals to educate patients about the health effects of radon ... WSU Environmental Finance Center and the National Radon Program are working together to get more information about radon ... Create an online pledge for your followers to encourage them to take radon action by testing their homes for radon. ... Share a video, infographic or radon-themed image.. *Host a live Q&A with one of your healthcare professionals to answer ...
... but some radon may be able to pass through the skin when you bathe in water containing radon (2). Long-term exposure to radon ... Radon. Radon (Rn) is a noble gas produced by the radioactive decay of radium, found in uranium ores, phosphate rock, and a ... However, background levels of radon in outdoor air are generally quite low, about 0.003 to 2.6 picocuries of radon per liter of ... This usually occurs within a few days or weeks after exposure to radon. Cancer due to radon exposure takes several years before ...
Radon. Radon is the number one cause of lung cancer in non-smokers. For children, radon and second-hand smoke are the biggest ... Unless you test with a radon test kit, you cant tell whether your home has radon, because radon is a gas that has no smell, no ... Visit this Maryland Department of the Environment page to learn more about radon and radon exposure in your home. Go to Radon ... Radon testing is simple and has a simple solution. Find out more by going to Test Your Home for Radon Exposure. ...
Radon and Health Risk. LBL High Radon Project. The Geology of Radon. ... NIH QA About Radon and Cancer. Radon; the nucleus. Surface Gamma (NURE). ... Radon Sites. Lung Cancer(LC) General Sources. ... Mapping the Radon Risk BEIR VI. Radon; the element. USGS Rn ... EPA Radon:General. Minnesota Geological Survey Rn Dosimetry in IA:CHEEC. EPA Citizen Guide. ...
To view this site, you must enable JavaScript or upgrade to a JavaScript-capable browser ...
Reducing radon exposure is the first step to reducing health risks. A radon mitigation system is designed to reduce radon ... AARST). Many radon mitigation companies in Oregon reduce radon levels by using a method called sub-slab depressurization (see ... What about Radon Resistant New Construction (RRNC)?. The following Oregon counties require radon resistent new construction ( ... The Appendix F: Radon Control Methods (pdf) details the RRNC radon mitigation requirements for each of these counties. For ...
L. A. Shepp "Notes: Correction to "Radon-Nikodym Derivatives of Gaussian Measures"," The Annals of Probability, Ann. Probab. 5( ...
Electron Configuration = [Xe]4f145d106s26p6. Oxidation State = 4 Nearest Neighbor = 0.313 nm. Density = 13.3 g/cm3 Concentration = 4.48 x 1022 atoms/cm3. ...
Predictors of Radon Testing Among Utah Residents Using a Theory-Based Approach ... Dual Home Screening and Tailored Environmental Feedback to Reduce Radon and Secondhand Smoke: An Exploratory Study ...
Radon can be explained de Broglie wavelength and Bohr model. ... So in Radon case, we can think each orbit contains only 4 ... Fig.33) Radon outer electrons motion (= 6 × de Broglie wavelength ).. Radon is 6 × de Broglie wavelength, so each orbit ... Radon (= Rn ) contains 8 orbits, each consists of 4 electrons.. (Fig.31) The total number of valence electrons of Rn is 32 (= 4 ... New Argon, Krypton, Xenon, Radon structure.. One de Broglie wavelength consists of a pair of "opposite" phases.. (Fig.1) 2 × de ...
New Policy Brief Highlights Critical Need for Stronger Radon Protections in Rental Housing. ...
How many radon detectors are needed?. Radon measurement aims at determining workers exposure to radon so the measurement ... What happens after the radon measurement or if the radon levels are high?. If the radon measurement at workplace has been ... every five years if a radon remediation has resulted in a radon concentration below the reference level and the radon ... radon mitigation. The planning of workplace radon mitigation is subject to the same rules as radon mitigation for dwellings. ...
So far, more than 1,100 people signed up to check out radon detectors from libraries. ... Radon detectors available to check out from Nova Scotia public libraries.. (Carolyn Ray/CBC). One of the most highly sought ... Donaldson said radon is the second leading cause of lung cancer in Nova Scotia and the leading cause of lung cancer in Nova ... Radon is naturally occurring and formed by the breakdown of uranium in soil and rock. It is typically not a concern when ...
... radon - Sharing our stories on preparing for and responding to public health events ... How Much Radon is In Your Home?. January is National Radon Action Month. Protect your home and your family from this invisible ... Knowing how much radon is in your home could save your life. Radon is the second leading cause of lung cancer after cigarette ... If you smoke and live in a home with high radon levels, you increase Read More , ...
Radon is a largely regional problem. When I lived off of Blake Lane, we all had our basements tested. Here in Colorado, radon ... Robin, Radon, and Regulation. By: Bryan Caplan. When the typical economist tells me about his latest research, my standard ... For example, the EPA may want to require radon vents in certain homes, but it may not have the statutory authority to make it a ... And then I had my house built, and learned that I had a choice to get a radon vent. The Hansonian logic was irresistible. "If ...
Radon is the "silent killer." Test your home today. Purchase a Radon Test Kit RADON IS DEADLY Testing is quick, inexpensive, ... U.S. Radon Levels. Radon is everywhere, but states and county levels can vary. Explore US radon levels with our interactive map ... Radon Training. Resources for those interested in becoming radon mitigation and radon measurement professionals or renewing ... Radon pros get special prices and analysis options Click For Details So You Have Questions About Radon Mitigation? We have the ...
Your Radon Test Results. Find the results for your Air Chek radon test. ... Need a Qualified Radon Mitigator?. Our laboratory recommends the RadonAway Authorized Pro Network, a highly trained, certified ... Click below to use our easy-to-use lookup tool and find a radon professional for testing or mitigation near you. ... Air Chek Radon Test Kits are the most widely used in the world! ... Radon Resources *Interactive Radon Map. *Radon Levels by State ...
The radon fan is installed in the wrong direction. The fan is not labeled as a fan manufactured for a radon system. The fan is ... radon fans that are not mounted vertically;. *radon fans mounted on the exterior of buildings that are not rated for outdoor ... radon fans installed underground;. *radon fans installed in a configuration that allows condensation to build up in the fan ... radon fans used outdoors that are plugged;. *a missing electrical disconnect switch or a missing circuit breaker for radon ...
Although the county has approved radon testing for some of its buildings, Huber noted that radon poses the most risk in ... The prevalence of radon can vary from house to house depending on the differences in home construction, the age of a home and ... and#8220;Radon Potential in the Lake Tahoe Area, Californiaand#8221; finds that an estimated 23,400 people in the Lake Tahoe ... Radon is an odorless, colorless, radioactive case that arises from the decay of naturally occurring uranium and thorium in soil ...
  • Consumer's Guide to Radon Reduction: How to Fix Your Home. (cdc.gov)
  • The EPA's Consumer's Guide to Radon Reduction has provided a checklist to help guide you when evaluating and comparing contractors and also specific questions to ask. (oregon.gov)
  • It is often the single largest contributor to an individual's background radiation dose, but due to local differences in geology, the level of exposure to radon gas differs from place to place. (wikipedia.org)
  • Radon-associated lung cancer can be prevented by limiting exposure to radon in indoor air. (cdc.gov)
  • People who smoke and are exposed to radon have a 10 times greater risk of developing lung cancer from radon exposure compared with people who do not smoke and are exposed to the same radon levels. (cdc.gov)
  • Many scientists believe that the alpha radiation dose from long-term exposure to elevated levels of radon progeny in air increases your chance of getting lung cancer. (cdc.gov)
  • The greater your exposure to radon, especially if you smoke cigarettes, the greater your chance of developing lung cancer. (cdc.gov)
  • However, limited information from children employed as miners in China do not provide evidence of increased susceptibility to the effects of exposure to radon. (cdc.gov)
  • Radon exposure is estimated by measuring radon the Environmental Protection Agency (EPA) consider levels in the air. (cdc.gov)
  • The survey was a statewide effort to determine the extent of indoor radon exposure in representative California homes and to identify areas of the State where residences may have elevated radon concentrations. (cal-iaq.org)
  • Measurements were carried out for a full year to obtain an accurate estimate of exposure unbiased by short-term fluctuations in radon levels because of weather conditions or changes in ventilation. (cal-iaq.org)
  • It determined 1-14% of homes in this region had long-term radon exposure above the U.S. EPA action level. (cal-iaq.org)
  • The Distribution of Lifetime Cumulative Exposures to Radon for California Residents, Liu KS, Chang YL, Hayward SB, Gadgil AJ and Nero AJ,, Journal of Exposure Analysis and Environmental Epidemiology. (cal-iaq.org)
  • The primary source of exposure to radon is indoor or household air. (orst.edu)
  • Long-term exposure to radon and radon daughters in air increases your chances of getting lung cancer. (orst.edu)
  • This usually occurs within a few days or weeks after exposure to radon. (orst.edu)
  • Cancer due to radon exposure takes several years before effects become apparent (2). (orst.edu)
  • Radon Exposure in Your Home. (howardcountymd.gov)
  • Visit this Maryland Department of the Environment page to learn more about radon and radon exposure in your home. (howardcountymd.gov)
  • Find out more by going to Test Your Home for Radon Exposure . (howardcountymd.gov)
  • Reducing radon exposure is the first step to reducing health risks. (oregon.gov)
  • Radon measurement aims at determining workers' exposure to radon so the measurement points at the workplace and the number of measurement detectors needed are chosen accordingly. (stuk.fi)
  • In order to obtain a precise estimate about the risk of indoor radon over a wide range of exposure levels, it will be necessary to perform a pooled analysis of different studies. (europa.eu)
  • The principal objective consists in estimating the risk of indoor radon exposure with sufficient precision by means of the case-control method. (europa.eu)
  • Long-term exposure to radon can lead to lung cancer," says Amy Elefson, program specialist for environment and health with The Lung Association, Alberta & NWT, making it the leading cause of lung cancer among non-smokers. (ucalgary.ca)
  • Public Health Tracking Program (EPHTP) to investigate the merits (opportunity, cost and value) of developing public health indicators associated with residential exposure to naturally occurring radon gas. (cdc.gov)
  • The most common solution to reduce you and your family's exposure to radon is through fan-powered mitigation systems. (rewci.com)
  • How does radon exposure occur? (alberta.ca)
  • What are the health effects of radon exposure? (alberta.ca)
  • Over time, exposure to radon can cause lung cancer. (alberta.ca)
  • footnote 1 People who smoke have an even higher risk of lung cancer from radon exposure than people who don't smoke. (alberta.ca)
  • Radon exposure doesn't cause symptoms. (alberta.ca)
  • Smoking Modifies the Association Between Radon Exposure and Incident Ischemic Stroke: The REGARDS Study. (bvsalud.org)
  • Exposure to radon has been linked to lung cancer and other lung diseases . (bvsalud.org)
  • Although biologically plausible, research of residential radon exposure in relation to stroke risk is scarce. (bvsalud.org)
  • After controlling for potential confounding factors including demographic, lifestyle , clinical variables, and PM2.5, radon exposure was significantly associated with incident ischemic stroke among never- smokers ( hazard ratio, 1.39 [95% CI, 1.01-1.90]) but not ever- smokers . (bvsalud.org)
  • Findings from this study suggest that the association between residential radon exposure and incidence of ischemic stroke varies by smoking status and may be prominent in never- smokers . (bvsalud.org)
  • Radon reduction systems can bring the amount of radon down to a safe level. (medlineplus.gov)
  • this means that one-half of a given amount of radon will decay to radon progeny every 4 days. (cdc.gov)
  • Radon is measured in picocuries per liter of air or pCi/L. The average concentration of radon in outdoor air is 0.4 pCi/L. The average radon concentration in the indoor air of America's homes is about 1.3 pCi/L The U.S. Environmental Protection Agency (EPA) has established 4 pCi/L as an action level in which one should initiate measures to reduce the amount of radon in a home. (tn.gov)
  • EPA advises that if the radon level detected in a home is between 2 and 4 pCI/L, steps should be taken to reduce it to below 2 pCi/L. EPA has established 4 pCi/L as an action level at which one should initiate measures to mitigate the amount of radon in the home. (tn.gov)
  • For these reasons, there is some concern as to the amount of radon present within homes. (jlab.org)
  • According to the United States Environmental Protection Agency (EPA), radon is the second most frequent cause of lung cancer, after cigarette smoking, causing 21,000 lung cancer deaths per year in the United States. (wikipedia.org)
  • The Environmental Protection Agency (EPA) estimates that radon causes 21,000 lung cancer deaths each year. (cdc.gov)
  • The Department of Health and Human Services (DHHS), International Agency for Research on Cancer (IARC), and the Environmental Protection Agency (EPA) consider radon to be a human carcinogen. (cdc.gov)
  • The Tennessee Department of Health and the Tennessee Radon Program support the standing of the U.S. Environmental Protection Agency that every home should be tested in order to know that home's radon level. (tn.gov)
  • Part of our environmental safety program is to follow the guidelines of the U.S. Environmental Protection Agency (EPA) for radon testing and remediation. (pgcps.org)
  • The Environmental Protection Agency (EPA) formed the Radon State Data Exchange (RSDX) to better coordinate the collection and aggregation of radon data. (cdc.gov)
  • The results were generally consistent in the sensitivity analysis when using radon measures from state / Environmental Protection Agency residential radon survey . (bvsalud.org)
  • Radon is an odorless, colorless, tasteless, naturally-occurring radioactive gas formed from the breakdown of uranium and thorium. (cdc.gov)
  • Radon is a naturally occurring radioactive gas produced by the breakdown of uranium in rocks and soils. (tn.gov)
  • Radon is a radioactive gas that comes from the soil. (tn.gov)
  • Radon is an invisible, odorless radioactive gas in the earth that can enter into lower level rooms of your home, like a basement. (howardcountymd.gov)
  • Radon is a cancer-causing, radioactive gas. (npiweb.com)
  • Cancer researchers and clinicians are testing their homes for radon gas this month in an effort to bring awareness to the cancer-causing radioactive gas that could be lurking in the homes of Canadians. (ucalgary.ca)
  • Although smoking remains the primary cause of lung cancer, between 1,000 and 4,000 new Canadian lung cancer cases each year are thought to be due to radon, which is a naturally occurring colourless and odourless radioactive gas that seeps out of the earth's crust as uranium breaks down. (ucalgary.ca)
  • Radon is a naturally occurring radioactive gas that is created as part of the natural radioactive decay chain of uranium. (cdc.gov)
  • Radon is a colorless, odorless, naturally-occurring radioactive gas that may cause lung cancer. (ezlandlordforms.com)
  • Radon is a radioactive gas that causes cancer. (alberta.ca)
  • Radon is a naturally occurring radioactive gas. (epa.ie)
  • Radon is a radioactive gas that emanates from rocks and soils and tends to concentrate in enclosed spaces like underground mines or houses. (bvsalud.org)
  • Add the question to your patient health questionnaires: "Have you tested your home's radon levels in the past two years? (wichita.edu)
  • How can you test your home's radon levels? (alberta.ca)
  • Radon is a colorless, odorless, and tasteless gas and therefore is not detectable by human senses alone. (wikipedia.org)
  • Radon gas is tasteless, colorless and odorless. (tn.gov)
  • Radon is an odorless, colorless, radioactive case that arises from the decay of naturally occurring uranium and thorium in soil. (sierrasun.com)
  • Homes with a passive system can be upgraded to an active system with the installation of an in-line fan that can further reduce radon levels. (tn.gov)
  • Some techniques will prevent radon from entering a building, while others reduce radon levels after it has entered. (oregon.gov)
  • Many radon mitigation companies in Oregon reduce radon levels by using a method called sub-slab depressurization (see diagram on left-hand side of page). (oregon.gov)
  • Most mitigation companies follow technical standards/recommendations made by the EPA or the American Association of Radon Scientists & Technologists, Inc. (AARST). (oregon.gov)
  • AARST, the American Association of Radon Scientists and Technologists, is a nonprofit organization headquartered in Fletcher, North Carolina and founded in 1988. (ansi.org)
  • You can either hire a radon tester or purchase a radon test kit from a hardware store and do it yourself. (cdc.gov)
  • Epidemiological studies have shown a clear link between breathing high concentrations of radon and incidence of lung cancer. (wikipedia.org)
  • Statewide study of residential radon concentrations was carried out by the California Department of Health Services (CDHS) in -89. (cal-iaq.org)
  • Homes with long-term concentrations measured at or above the action level are recommended for radon reduction. (cal-iaq.org)
  • The geometric mean (GM) for long-term radon concentrations in the state was 0.85 pCi/L. (cal-iaq.org)
  • Report by CA Department of Health Services, Indoor Air Quality Section, Berkeley, CA. Survey of Residential Indoor and Outdoor Radon Concentrations in California, Liu K-S, Hayward SB, Girman JR, et al. (cal-iaq.org)
  • A radon mitigation system is designed to reduce radon concentrations in the indoor air of a building. (oregon.gov)
  • The Radiation and Nuclear Safety Authority (STUK) supervises the radon concentrations at workplaces. (stuk.fi)
  • in areas where more than 10 per cent of the radon concentrations measured earlier exceeds the value of 300 Bq/m 3 . (stuk.fi)
  • In these locations, the radon concentrations are generally low. (stuk.fi)
  • Radon is a radioactive emission of uranium and is found in high concentrations in many areas of the United States. (rewci.com)
  • This standard of practice specifies procedures and minimum requirements for measuring radon concentrations in single-family residences for determining if radon mitigation is necessary to protect current and future occupants. (ansi.org)
  • This standard of practice specifies procedures and minimum requirements when measuring radon concentrations in shared structures, or portions of shared structures, used for residential, non-residential or mixed use purposes to determine if radon mitigation is necessary to protect current and future occupants. (ansi.org)
  • However, there is no safe level of radon. (tn.gov)
  • You should test your home for the level of radon gas present in the indoor air. (npiweb.com)
  • If tests find a high level of radon, you'll need to reduce it. (alberta.ca)
  • Once the radon is prevented from entering the building, venting can be done to reduce the level of radon. (alberta.ca)
  • Cracks in the foundation or basement of your home may allow increased amounts of radon to move into your home. (orst.edu)
  • Small amounts of radon are sometimes used by hospitals to treat some forms of cancer. (jlab.org)
  • Granite contains uranium and thorium impurities, which constantly give off small amounts of radon gas. (theodoregray.com)
  • To find out more about radon test kits, visit Radon Hotlines and Information Resources or refer to the EPA website on how to use a test kit. (cdc.gov)
  • Radon comes from the natural breakdown of uranium in soil, rock, and water. (medlineplus.gov)
  • Radon gas released from rocks and soil can move to air, groundwater, and surface water. (cdc.gov)
  • In most cases, radon entering the home through water is a small risk compared with radon entering your home from the soil. (tn.gov)
  • Testing soil prior to building cannot predict what the radon levels will be once a home is completed. (tn.gov)
  • Radon-resistant new construction incorporates techniques to seal soil gas entry points, prevent radon gas intrusion, and vent the radon outdoors. (tn.gov)
  • Radon is the result of the natural decay of uranium in soil, rock and water, and enters the home from below. (npiweb.com)
  • Radon is naturally occurring and formed by the breakdown of uranium in soil and rock. (cbc.ca)
  • AARST anticipates that this resource will assist consumers, policy makers, public advocates, soil gas professionals, radon programs, researchers, and other health and housing stakeholders in accomplishing expanded and improved efforts to stop radon in the nation's homes, schools, and other buildings. (aarst.org)
  • a missing one-way flow valve, water trap, or other control device installed in or on the discharge line to prevent outside air from entering the system while allowing water to flow out of the system when a radon mitigation system is designed to draw soil gas from a perimeter drain tile loop that discharges water through a drain line to daylight or to a soak-away. (nachi.org)
  • pipes not supported or not secured in a permanent manner so as to prevent their downward movement to the bottom of suction pits or sump pits, or into the soil beneath an aggregate layer under a slab to prevent blockage of air flow into the bottom of the radon vent pipes. (nachi.org)
  • The prevalence of radon can vary from house to house depending on the differences in home construction, the age of a home and the type of soil it is built on, said Ginger Huber, the Environ-mental Management Department's Tahoe division manager. (sierrasun.com)
  • Radon rises from the soil and into your house where this radioactive carcinogen can be inhaled by occupants. (rewci.com)
  • This standard specifies practices, minimum requirements and, general guidance for reducing soil gas entry into existing homes in order to mitigate occupant exposures to certain hazardous soil gases, including radon gas, chemical vapors and other hazardous gases. (ansi.org)
  • COLORADO - It's National Radon Action Month and radon is something that Coloradans are forced to deal with because of our high levels of it in our soil. (koaa.com)
  • Soil gas infiltration is recognized as the most important source of residential radon. (bvsalud.org)
  • Mitigation techniques include ventilation systems that prevent radon from accumulating to potentially harmful levels inside buildings. (sierrasun.com)
  • In, a focused survey of residential radon levels was carried out in 862 residences of Ventura and northwestern Los Angeles. (cal-iaq.org)
  • Currently, CDHS is conducting a survey of residential radon levels in 1,000 homes in the Sierra Nevada region, with preliminary results expected in early. (cal-iaq.org)
  • A small workgroup of interested states--Maine, Maryland, Missouri, New Mexico, Oregon, Washington, and Wisconsin--met on a monthly basis to discuss their efforts and progress in determining the availability, quality, and compatibility of residential radon test data. (cdc.gov)
  • There are low levels of radon outdoors. (medlineplus.gov)
  • Testing is the only way to know if your home has elevated radon levels. (medlineplus.gov)
  • You can start by testing radon levels in your home and installing a radon reduction system, if needed. (cdc.gov)
  • Over time, breathing in high levels of radon can cause lung cancer. (cdc.gov)
  • The U.S. Department of Housing and Urban Development recommends additional actions you can take to reduce high radon levels in your home and protect yourself from an increased risk of lung cancer. (cdc.gov)
  • Radon is normally found at very low levels in outdoor air. (cdc.gov)
  • Radon and radon progeny are normally found at higher levels in indoor air in homes, schools, and office buildings. (cdc.gov)
  • Concrete construction materials or cracks in the basement or foundation of a home may allow higher levels of radon and radon progeny inside the home. (cdc.gov)
  • Elevated levels of radon and radon progeny can be found in areas with elevated levels of uranium or thorium. (cdc.gov)
  • Cigarette smoking greatly increases your chance of developing lung cancer if you are exposed to radon and radon progeny at the same levels as people who do not smoke. (cdc.gov)
  • It is formed as part of · Radon is normally found at very low levels in three radioactive decay chains that begin with uranium outdoor air. (cdc.gov)
  • Radium and then higher levels in indoor air in homes, schools, and radon are formed midway through these decay chains. (cdc.gov)
  • levels of radon and radon progeny inside the home. (cdc.gov)
  • Elevated levels of radon and radon progeny can be atoms with short half-lives into which radon quickly found in areas with elevated levels of uranium or decays. (cdc.gov)
  • radon progeny at the same levels as people who do not smoke. (cdc.gov)
  • In zip codes with few radon results, there is low confidence that the reported average is representative of radon levels in that area. (tn.gov)
  • Persons who smoke and live in a home with elevated radon levels are at a very high risk to develop lung cancer. (tn.gov)
  • If the follow-up test results (or the average of the two tests) also exceed 4 pCi/L, it is recommended that your home should be fixed to reduce the radon levels. (tn.gov)
  • With this information, the Centers for Disease Control is able to better map radon levels in the state and help reduce the cases of radon induced lung cancer. (tn.gov)
  • The statewide survey showed that about 0.8% (approximately 100,000) of California homes are expected to have annual average radon levels exceeding the U.S. EPA action level. (cal-iaq.org)
  • However, background levels of radon in outdoor air are generally quite low, about 0.003 to 2.6 picocuries of radon per liter of air (2). (orst.edu)
  • In indoor locations, such as homes, schools, or office buildings, levels of radon and daughters are generally higher than outdoor levels (2). (orst.edu)
  • In these areas radon levels in outdoor air will generally be higher (2). (orst.edu)
  • If you have high radon levels, there are ways to solve a radon problem. (npiweb.com)
  • Radon is everywhere, but states and county levels can vary. (radon.com)
  • A nationwide survey of radon levels in schools estimates that nearly one in five has at least one schoolroom with a short-term radon level above the action level of 4 pCi/L (picoCuries per liter) - the level at which EPA recommends that schools take action to reduce the level. (pgcps.org)
  • Although the Geological Survey covers only the California side of the Lake Tahoe Basin, earlier this year the University of Nevada Cooperative Extension reported nearly 60 percent of homes in Stateline, Glenbrook and Zephyr Cove have elevated radon levels. (sierrasun.com)
  • The radon levels in all participating houses are rather low. (europa.eu)
  • University of Calgary researcher Aaron Goodarzi is exploring several initiatives to help understand and eradicate radon-induced cancer in Alberta, and brainstormed the idea to have Calgary cancer doctors and researchers test their homes, especially their basements, for radon gas levels. (ucalgary.ca)
  • Goodarzi hopes the preliminary data from this initiative will help secure funding for a larger-scale study to map household radon levels in major Alberta population centres to determine communities most at risk. (ucalgary.ca)
  • Only a small number of homes in Canada test for radon, but a recent Health Canada survey showed that depending on the region, between four and 44 per cent of Canadian homes have levels well above the minimum safe guidelines. (ucalgary.ca)
  • High radon gas levels in the home is a correctable problem, and any homes found to have unacceptably high levels of radon gas can be returned to non-hazardous levels relatively easily," says Goodarzi. (ucalgary.ca)
  • Radon levels vary by location and can accumulate in structures. (cdc.gov)
  • The EcoBlu is a must-have for consumers to properly detect and monitor continually fluctuating radon levels," stated Dallas Jones, Ecosense Vice President. (digitaljournal.com)
  • The Radon Disclosure Form allows Landlords to inform Tenants of the risks associated with radon & disclose any knowledge about elevated radon levels in a rental unit. (ezlandlordforms.com)
  • Landlords in these states must provide Tenants with information about radon, the risks associated with radon, and knowledge about the current levels of radon in the rental property. (ezlandlordforms.com)
  • Studies show that nearly 1 out of 15 homes in Canada has unsafe levels of radon. (alberta.ca)
  • footnote 1 If you live in an area that has large deposits of uranium, you may be more likely to be exposed to high levels of radon. (alberta.ca)
  • Even houses right next to each other can have very different radon levels. (alberta.ca)
  • Unless your home or office is tested for high radon levels, you may not realize that you are being exposed to dangerous levels of radon until you or someone in your family is diagnosed with lung cancer. (alberta.ca)
  • Health Canada recommends that all homes be tested for radon levels. (alberta.ca)
  • Both measure radon levels in the air. (alberta.ca)
  • Radon levels vary daily and from season to season. (alberta.ca)
  • How do you reduce high levels of radon? (alberta.ca)
  • Radon is odorless and tasteless, so testing is the only way to know if you have elevated levels in your home. (koaa.com)
  • As temperatures drop your risk of high radon levels increases because folks tend to close their doors and windows to keep out the cold. (koaa.com)
  • That's where radon levels are highest. (koaa.com)
  • estimated arithmetic mean of radon concentration estimated percentage of dwellings with annual mean levels of radon above 200 Bq/m3 estimated percentage of dwellings with annual mean levels of radon above 400 Bq/m3. (who.int)
  • Radon levels are susceptible to change with modifications to buildings or the renewal of the building stock, or the efficiency of regional or national action programmes. (who.int)
  • Furthermore, as radon levels are strongly linked to local geological characteristics, the ideal scale to assess and compare radon distribution would be the regional one. (who.int)
  • Cornwall has naturally high levels of radon, giving it one of the highest areas of background radiation in the UK. (medscape.com)
  • Winter is the ideal time to test for radon because houses are generally sealed tighter during those months, but initial screening can be done any time of year. (sierrasun.com)
  • Winter months are the best time to test for radon because homes are typically sealed against the cold, resulting in limited ventilation. (ucalgary.ca)
  • The Tennessee Department of Health and the Tennessee Radon Program are unable to verify the validity of the testing protocols or the physical location where the test kit was reported to have been conducted. (tn.gov)
  • Rely on the best - a certified, licensed, and insured radon mitigator in your area. (radon.com)
  • Consider contacting a licensed professional to install a radon reduction system (also called a radon mitigation system) in your home. (cdc.gov)
  • Create an online pledge for your followers to encourage them to take radon action by testing their homes for radon. (wichita.edu)
  • Unlike the gaseous radon itself, radon daughters are solids and stick to surfaces, such as airborne dust particles, which can cause lung cancer if inhaled. (wikipedia.org)
  • The main goal of radon regulation is that no worker in Finland is excessively exposed to radioactive radon gas that may cause lung cancer. (stuk.fi)
  • Without question, if you live in a home with high radon, your lungs are being exposed to DNA-mutating radiation which can cause lung cancer even in people who have never smoked a day in their lives," says Goodarzi, a member of the University of Calgary's Southern Alberta Cancer Research Institute (SACRI). (ucalgary.ca)
  • Since thorium and uranium are two of the most common radioactive elements on Earth, while also having three isotopes with half-lives on the order of several billion years, radon will be present on Earth long into the future despite its short half-life. (wikipedia.org)
  • Radon (Rn) is a noble gas produced by the radioactive decay of radium, found in uranium ores, phosphate rock, and a number of common minerals (1). (orst.edu)
  • This is known from studies of workers exposed to radon in mines, primarily uranium miners, and from tests on laboratory animals (2). (orst.edu)
  • Radon seeps into houses as a result of the decay of radium, thorium or uranium ores underground and varies greatly from location to location. (jlab.org)
  • A study of radon emanation from waste rock at Northern Territory uranium mines / by G. Chesney Mason, Graeme Elliott and Tiang Hong Gan. (who.int)
  • AARST has been creating national radon standards with ANSI approval since the early 2000s. (ansi.org)
  • Radon is responsible for about 21,000 lung cancer deaths every year. (tn.gov)
  • Radon is estimated to cause about 21,000 lung cancer deaths per year, according to EPA's 2003 Assessment of Risks from Radon in Homes (EPA 402-R-03-003). (npiweb.com)
  • According to the EPA, radon gas, also known as "The Silent Killer," is responsible for over 21,000 lung cancer deaths in the United States every year. (digitaljournal.com)
  • All test results are from do-it-yourself tests done by home owners or tests done by radon measurement professionals. (tn.gov)
  • Resources available through the links below provide more information about radon health risks and means to find test kits or measurement and mitigation professionals. (howardcountymd.gov)
  • Do all workplaces have to make a radon measurement? (stuk.fi)
  • Radon measurement is not usually needed at workplaces that are located on the second or upper floors. (stuk.fi)
  • The radon concentration in air at the workplace is determined primarily using an alpha track detector (integrating measurement) that is kept at the workplace for a minimum of two months, preferably three months, between the beginning of September and the end of May. (stuk.fi)
  • If work at the workplace generally takes place outside the measurement period, e.g. in summer, the radon measurement should also be made outside the measurement period. (stuk.fi)
  • After this, if necessary, time-associated variations in the radon concentration can be analyzed by a so-called continuous radon measurement. (stuk.fi)
  • A key point in radon control at workplaces is that a reliable measurement method is used when determining the radon concentration. (stuk.fi)
  • Radon measurements can be ordered from STUK or from a company that uses a measurement method that is approved by STUK. (stuk.fi)
  • Resources for those interested in becoming radon mitigation and radon measurement professionals or renewing their certifications. (radon.com)
  • Limitations - This standard does not address all technical aspects of measurement device technology, quality assurance or techniques to specifically identify radon sources such as radon in water supplies, building materials or relative to the possession and handling of radioactive materials. (ansi.org)
  • This standard is applicable to the wide variety of radon measurement devices used for indoor measurements, primarily in residential environments or buildings not associated with the possession or handling of radioactive materials. (ansi.org)
  • For collection and analysis of radon in water, you should use the services of a qualified radon measurement professional and a lab approved by DPH to analyze radon in water (see below). (ct.gov)
  • EPA recommends installing a system if your radon level is at or above 4 picocuries per liter (pCi/L) of air. (cdc.gov)
  • Did you know that approximately 1 in 4 homes tested for radon through this program tests above 4 pCi/L (picocuries per liter)? (tn.gov)
  • finds that an estimated 23,400 people in the Lake Tahoe area live in buildings where radon is likely to equal or exceed the U.S. Environmental Protection Agency's recommended action level of 4 picocuries per liter, according to a press release from El Dorado County's Department of Environmental Management. (sierrasun.com)
  • For every 10,000 picocuries per liter (pCi/L) of radon in your water, it is estimated that 1 pCi/L is added to the air. (ct.gov)
  • It is generally cheaper to install a radon reduction system during construction than to go back and fix a radon problem later. (tn.gov)
  • The cost will depend on the size and design of your home, and which radon reduction methods are needed. (oregon.gov)
  • Hire a contractor with proper training in radon reduction to help with this work. (alberta.ca)
  • After radon reduction or prevention procedures are done, the home or building should be retested. (alberta.ca)
  • As our product catalog continues to expand and we offer consumers and professionals the most accurate and reliable radon monitoring devices, our mission remains the same to empower consumers to lead a safe and healthy lifestyle free from the life-threatening dangers of radon gas by accurately and quickly delivering detection results and promoting the importance of long-term radon monitoring. (digitaljournal.com)
  • Use a certified or qualified radon mitigation professional. (oregon.gov)
  • The alpha track detector indicates the long-term average radon concentration. (stuk.fi)
  • This is why areas of the country with certain kinds of bedrock also have problems with radon collecting in basements. (theodoregray.com)
  • These may include using fans, blowers, and suction devices to remove radon in the air in crawl spaces, basements, and other areas. (alberta.ca)
  • So far, more than 1,100 people signed up to check out radon detectors from libraries. (cbc.ca)
  • Radon detectors available to check out from Nova Scotia public libraries. (cbc.ca)
  • One of the most highly sought after items at Nova Scotia public libraries are radon detectors. (cbc.ca)
  • Donaldson said more than 1,100 people signed up to take advantage of the digital radon detectors and more than 500 people have borrowed them. (cbc.ca)
  • Some people are a little bit hesitant to spend that $40 not really knowing what the result is going to be, so [detectors at the library are] a great way for people to get a bit of an indicator of whether or not they have radon in their home,' she said. (cbc.ca)
  • Since the program started, the association has heard from people who have had 'alarming readings' on the radon detectors. (cbc.ca)
  • How many radon detectors are needed? (stuk.fi)
  • As different types (open and closed) of radon detectors are used by the radon laboratories of the involved countries, quality control tests in the radon chamber at the university of Gent, as well as side-by-side inter-comparisons in real house conditions were organised at regular intervals. (europa.eu)
  • From the observations made it became clear that, in a pooling on a larger scale, much attention will also have to be paid to the (differences in) response of the different types of radon detectors under epidemiological field conditions. (europa.eu)
  • The company's smart real-time radon detectors utilize a patented detection technology with high accuracy, delivering reliable results in minutes, not days. (digitaljournal.com)
  • Radon progeny is the term given to those radioactive atoms with short half-lives into which radon quickly decays. (cdc.gov)
  • A sample of any one is expected to contain a mixture of these radioactive elements or radionuclides, including radon and radon progeny. (cdc.gov)
  • Radon progeny are solid particles that can be trapped inside the earth or, if in the air when radon decays, can attach to dust and other particles and move with the air. (cdc.gov)
  • Radon progeny that are attached to dust can be removed by air filters. (cdc.gov)
  • How might I be exposed to radon and radon progeny? (cdc.gov)
  • Radon and radon progeny are normally found in surface and groundwater and are expected to be in drinking water from these sources. (cdc.gov)
  • How can radon and radon progeny affect my health? (cdc.gov)
  • When radon or radon progeny undergo radioactive decay, some of the decays expel high-energy alpha particles, which are the main source of health concerns. (cdc.gov)
  • How likely are radon and radon progeny to cause cancer? (cdc.gov)
  • How can radon and radon progeny affect children? (cdc.gov)
  • Radon and radon progeny are normally found at with different radioactive properties. (cdc.gov)
  • Radon and radon progeny are normally found in elements or radionuclides, including radon and surface and groundwater and are expected to be radon progeny. (cdc.gov)
  • When radon or radon progeny undergo radioactive decay, some of the decays expel high-energy alpha particles, · Radon progeny are solid particles that can be which are the main source of health concerns. (cdc.gov)
  • How likely are radon and radon progeny medical testing. (cdc.gov)
  • Some radon progeny can be detected in urine and in lung and bone tissue. (cdc.gov)
  • Regional deposition of unattached radon progeny (polonium-218) in tracheobronchial region. (cdc.gov)
  • Smoking significantly increases the risk of lung cancer from radon. (cdc.gov)
  • It is recognized that radon exposures below 4 pCi/L still contribute to the risk of lung cancer. (cal-iaq.org)
  • However, this risk is almost insignificant compared to your risk of lung cancer from radon in air. (ct.gov)
  • R.E. Williams carries a variety of radon mitigation products. (rewci.com)
  • Its solubility equation is as follows, χ = exp ⁡ ( B / T − A ) , {\displaystyle \chi =\exp(B/T-A),} where χ {\displaystyle \chi } is the molar fraction of radon, T {\displaystyle T} is the absolute temperature, and A {\displaystyle A} and B {\displaystyle B} are solvent constants. (wikipedia.org)
  • The unattached fraction of radon daughters that reached the tracheobronchial region of human airway deposits efficiently in tracheobronchial region because of its high diffusion coefficient. (cdc.gov)
  • Host a live Q&A with one of your healthcare professionals to answer questions about radon. (wichita.edu)
  • So You Have Questions About Radon Mitigation? (radon.com)
  • If you have questions about radon in your house, you can get help from Health Canada by calling 1-855-809-6966. (alberta.ca)
  • For more information on testing your home, visit EPA's Radon website or call the National Radon Hotline at 1-800-SOS-RADON. (cdc.gov)
  • For additional information on radon-resistant new construction read EPA's publication Building Radon Out . (tn.gov)
  • The main isotope of health concern is radon-222 ( 222 Rn). (cdc.gov)
  • The main trapped inside the earth or, if in the air when radon isotope of health concern is radon-222 (222Rn). (cdc.gov)
  • Radon's most stable isotope , radon-222, has a half-life of about 3.8 days. (jlab.org)
  • Contact your state radon office for specific information and resources in your area for testing and for a list of qualified radon testers. (cdc.gov)
  • Contact your state radon office for a list of qualified contractors in your area and for information on how to fix radon problems yourself. (cdc.gov)
  • The purpose of the Report Card is to facilitate evaluation and rating of state radon policies and risk according to objective criteria and publicize the results. (aarst.org)
  • When cooled to its solid state, radon glows yellow. (jlab.org)
  • There are several ways to reduce or remove radon from a home. (tn.gov)
  • How to measure radon concentration at workplace? (stuk.fi)
  • While no other states require radon disclosures at this time, some municipalities do require Landlords to provide Tenants with a radon disclosure. (ezlandlordforms.com)
  • San Jose, CA - August 16, 2022 - Ecosense®, the premier radon detection technology company, announces the release of the EcoBlu™, the only digital radon detector with fast, accurate, and real-time results on an LED display suitable for both short and long-term monitoring. (digitaljournal.com)
  • As qualified testing company, NPI knows the proper conditions, test devices and guidelines for obtaining reliable radon test results. (npiweb.com)
  • Consider radon-resistant new construction . (tn.gov)
  • Health Canada recommends that you use a contractor certified by the Canadian National Radon Proficiency Program (C-NRPP). (alberta.ca)
  • As radon gas breaks down, it emits high-energy alpha particles. (tn.gov)
  • These results confirmed the magnitude of high radon homes found in earlier limited studies and another statewide radon survey by CDHS and U.S.EPA using short-term monitors. (cal-iaq.org)
  • Code 05.02.07.04) incorporate the 2015 International Residential Code, including the radon resistant new construction standard of IRC Appendix F, applicable to Zone 1 (high radon potential) counties. (howardcountymd.gov)
  • Homeowners with high radon readings can take various steps, such as using certain ventilation techniques and sealing cracks in the foundation, floors and around pipes and drains. (cbc.ca)
  • This standard specifies practices, minimum requirements and general guidance for mitigation of radon in existing multifamily buildings, including both low-rise and high-rise multifamily buildings. (ansi.org)
  • The EPA has a remit to raise awareness about radon in high risk areas and to encourage homeowners to test and, where necessary, remediate their homes. (epa.ie)
  • The Government's National Radon Control Strategy endorses the continuation of awareness campaigns in high risk areas. (epa.ie)
  • The EPA estimates that over 20,000 deaths each year are radon related making it the second leading cause of lung cancer deaths. (rewci.com)
  • Radon causes about 4,000 lung cancer deaths each year in Canada. (alberta.ca)
  • It is possible to test for radon in buildings, and to use techniques such as sub-slab depressurization for mitigation. (wikipedia.org)
  • Always test again after fin-ishing to make sure you've fixed your radon problem. (cdc.gov)
  • Click on the map to view radon test results across Tennessee. (tn.gov)
  • How can I test for radon in my home? (tn.gov)
  • Test your home for radon. (tn.gov)
  • If the results of your radon test exceeded 4 pCi/L, TDEC and EPA recommend that a follow-up test be conducted. (tn.gov)
  • When you test your home or school for radon, it helps to provide valuable information to the state to identify specific areas where radon may be more likely to occur. (tn.gov)
  • Unless you test with a radon test kit, you can't tell whether your home has radon, because radon is a gas that has no smell, no color, and can't be seen. (howardcountymd.gov)
  • The Maryland Department of Health & Maryland Department of the Environment are partnering to bring $3 Radon Test Kits to you. (howardcountymd.gov)
  • Go to Maryland Department of Health $3 Discounted Radon Test Kit Offer to order your kit today! (howardcountymd.gov)
  • The EPA urges every homeowner to test for radon or if you are buying or selling a home. (npiweb.com)
  • We are very pleased that radon is becoming more of a topic people are aware of, that people know that they have to test their homes in order to keep their families safe,' Donaldson said. (cbc.ca)
  • One of the most widely-used radon test kits in the world, renowned for its ease-of-use and accurate results. (radon.com)
  • Air Chek Radon Test Kits are the most widely used in the world! (radon.com)
  • Find out how to test your home for radon. (pgcps.org)
  • Goodarzi currently has more than 40 cancer researchers and physicians signed up to pick up their radon test kits this week. (ucalgary.ca)
  • You can buy radon test kits on the Internet or from home improvement stores. (alberta.ca)
  • Some Colorado counties still have free radon test kits available, while the state health department is offering a link to discounted radon test kits on its website. (koaa.com)
  • For children, radon and second-hand smoke are the biggest risks for developing lung cancer later in life. (howardcountymd.gov)
  • Man-made mineral fibres and radon / this publication represents the views and expert opinions of an IARC Working Group on the Evaluation of Carcinogenic Risks of Humans, which met in Lyon, 16-23 June 1987. (who.int)
  • While radon is the second most frequent cause of lung cancer, it is the number one cause among non-smokers, according to EPA policy-oriented estimates. (wikipedia.org)
  • Radon is the second leading cause of lung cancer in the United States. (medlineplus.gov)
  • Radon is the leading environmental cause of any cancer. (cdc.gov)
  • Radon gas has been identified as the second leading cause of lung cancer, second only to cigarette smoking. (tn.gov)
  • Every home in Tennessee should be tested especially when you consider the fact that radon related lung cancer kills approximately 21,000 people each year. (tn.gov)
  • When installed properly, the basic radon-resistant new construction techniques greatly reduce the lung cancer risk that may occur from radon in the home. (tn.gov)
  • 3. Questions and Answers about Radon and Cancer, National Cancer Institute. (orst.edu)
  • Radon is the number one cause of lung cancer in non-smokers. (howardcountymd.gov)
  • The longer you and your family are exposed to radon, the greater risk you have of developing lung cancer. (howardcountymd.gov)
  • The U.S. Surgeon General has warned that radon is the second leading cause of lung cancer in the U.S. today. (npiweb.com)
  • Donaldson said radon is the second leading cause of lung cancer in Nova Scotia and the leading cause of lung cancer in Nova Scotia for non-smokers. (cbc.ca)
  • She said 120 cases of lung cancer in Nova Scotia last year were attributed to radon gas. (cbc.ca)
  • Radon is the second leading cause of lung cancer after cigarette smoking. (cdc.gov)
  • In the radon health study organised in Brittany-Vendée by CEA/IPSN, in close collaboration with the University of Brest and INSERM, 270 lung cancer cases matched each with 2 controls have been registrated. (europa.eu)
  • Homeowners and tenants deserve to have health security and a living environment free from cancer-causing radon at an affordable price point," stated Insoo Park, CEO of Ecosense. (digitaljournal.com)
  • AARST does work in Washington, D.C. on public policy, steadily gaining agreement there that radon is the second leading cause of lung cancer. (ansi.org)
  • In Ireland, radon is the second cause of lung cancer (after smoking) and is linked to up to 250 cases per year. (epa.ie)
  • Radon is an invisible gas that seeps into homes and is the second leading cause of lung cancer in the United States and southern Colorado has even higher radon potential because of the amount of granite in the soils. (koaa.com)
  • Indoor radon is one of the leading causes of lung cancer. (cdc.gov)
  • The employer is responsible for radon measurements at the workplace, even if the workplace operates in rented premises. (stuk.fi)
  • In all of the studies it is impossible to perform radon measurements in some of the former residences. (europa.eu)
  • It is important to stress that the radon measurements were not made with a standardized protocol in all countries. (who.int)
  • Statewide Radon Policies: AARST staff compilation. (aarst.org)
  • The Radon Program also maintains a list of nationally certified mitigation professionals who can reduce radon in water (see below). (ct.gov)
  • What about Radon Resistant New Construction (RRNC)? (oregon.gov)
  • Radon can enter homes and buildings through cracks in floors, walls, or foundations. (medlineplus.gov)
  • Radon can get into homes and buildings through small cracks or holes and build up in the air. (cdc.gov)
  • Many houses and buildings have been constructed right on top of radon emitting rocks. (orst.edu)
  • Although the county has approved radon testing for some of its buildings, Huber noted that radon poses the most risk in structures where people spend most of their time. (sierrasun.com)
  • Radon is found in new and old buildings. (alberta.ca)
  • The Tennessee Department of Environment and Conservation (TDEC) operates a statewide indoor Radon Program as part of the Office of Sustainable Practices. (tn.gov)
  • Radon itself is the immediate decay product of radium. (wikipedia.org)
  • Radon was discovered by Friedrich Ernst Dorn, a German chemist, in 1900 while studying radium 's decay chain. (jlab.org)
  • Today, radon is still primarily obtained through the decay of radium. (jlab.org)