Radon specific radioactive hazard release. Medical search. Frequent questions

Radon is responsible for the majority of public exposure to ionizing radiation. (wikipedia.org)
A cumulative exposure of 1 WLM is roughly equivalent to living one year in an atmosphere with a radon concentration of 230 Bq/m3. (wikipedia.org)
Employers now have responsibility to ensure that their employees are protected from exposure to this radioactive gas. (epa.ie)
The Authority looks forward to continued collaboration with the EPA in highlighting radon gas exposure in workplaces and supporting the ongoing work of the National Radon Control Strategy Co-ordination Group. (epa.ie)
Exposure to radon is linked in up to 300 cases of lung cancer in Ireland each year. (epa.ie)
Extended exposure to radon can lead to health i ssues and is a major cause of lung cancer in the United States. (inspectionsupport.com)
Radon exposure often happens in schools and homes as it collects in basements and lower floors. (inspectionsupport.com)
Continuous exposure at a level high enough to contribute to these fatalities occurs after radon and its decay products remain inside a building, in which it enters through cracks in the slabs and walls, the expansion joints between floor and walls, porous concrete block walls, open sump pits, crawlspaces, and openings around utility penetrations. (ansi.org)
It is also important to note that, while the EPA's radon action level is 4 pCi/L, any exposure to the element creates some danger. (ansi.org)
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)
Environmental public health tracking is the ongoing collection, integration, analysis, and interpretation of data about environmental hazards, exposure to environmental hazards, and health effects potentially related to exposure to environmental hazards. (cdc.gov)
Population-based, cross-sectional small area prevalence surveys assessing BLLs can be used to establish a baseline lead exposure prevalence for a specific geographic region. (cdc.gov)
Any radon exposure has some risk of causing lung cancer. (tommymac.us)
Exposure to radon can lead to shortness of breath. (swat-radon.com)
Every home should be tested for radon exposure, as elevated levels can pose serious health risks. (swat-radon.com)
It's important to recognize the potential hazards of poor air quality and take steps to minimize your exposure. (blthomeinspections.com)
3) "Byproduct material" means any radioactive material, except special nuclear material, yielded in or made radioactive by exposure to the radiation incident to the process of producing or utilizing special nuclear material. (fl.us)
U.S. Radium is the company infamous for exposure of workers to fatal doses of radioactivity resulting from the use of radioactive zinc sulfide powdered paint. (climate-connections.org)
Included in the two documents published were identification of specific TENR problems, a national inventory or NORM, and an evaluation of exposure pathways to man. (osha.gov)
Some chemicals presented a low potential hazard since there was minimal exposure due to normal operations of the facility. (fluoridealert.org)
The responsible party shall investigate the radiation exposure caused by natural radiation if it is discovered or there is reason to suspect that practices or circumstances are such that the exposure of human beings to natural radiation causes or may cause a health hazard. (stuklex.fi)
The requirements regarding the exposure of flight personnel to cosmic radiation are presented in Guide ST 12.4 , the requirements regarding the exposure of users of household water containing radioactive substances are presented in Guide ST 12.3 , and the requirements regarding the exposure caused by the radioactivity of building materials and ash are presented in Guide ST 12.2 . (stuklex.fi)
The annual average concentration of radon in inhaled air in regular work where action must be taken to limit the exposure, is given in section 27 of the Radiation Decree (1512/1991) . (stuklex.fi)
But exposure over time-what I'm calling chronic hazards-can be just as deadly, often with prolonged pain and suffering. (vivianlawry.com)
Arsenic released by human activities is triple the exposure from natural sources. (vivianlawry.com)
Soil samples were collected and measured using a gamma spectroscopy system to evaluate the contributions of specific radionuclides to external terrestrial exposure. (bvsalud.org)

Radon is formed as part of the normal radioactive decay chain of uranium into 206 Pb. (wikipedia.org)
Thus, uranium and radon will continue to occur for millions of years at about the same concentrations as they do now. (wikipedia.org)
The entire radon activity of the Earth's atmosphere at any one time is due to some tens of grams of radon, constantly being replaced by decay of larger amounts of radium and uranium. (wikipedia.org)
The concentration in the air at the (unventilated) Gastein Healing Gallery averages 43 kBq/m3 (about 1.2 nCi/L) with maximal value of 160 kBq/m3 (about 4.3 nCi/L). Radon emanates naturally from the ground and from some building materials all over the world, wherever there are traces of uranium or thorium, and particularly in regions with soils containing granite or shale, which have a higher concentration of uranium. (wikipedia.org)
Radon is a radioactive gas that originates from the decay of uranium in rocks and soils. (epa.ie)
Taking notice of the growing military use of DU, we must consider not only the increased threats of radioactive battlefields but also the whole dirty cycle in the uranium industry connected with the DU technology and its impact on health and the environment in the surroundings of test areas and in the uranium industry itself. (ratical.org)
Further health hazards result from the chemical toxicity of the uranium to the kidneys, and from the radiation of the uranium (an alpha emitter). (ratical.org)
When radioactive elements such as uranium decay, they release radon into the air. (inspectionsupport.com)
The alarming truth, when it comes to radon, is that the radioactive gas derives simply from soil gas, following the breakdown of uranium in the soil. (ansi.org)
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 naturally occurring radioactive gas produced by the breakdown of uranium in soil, rock, and water. (tommymac.us)
But when a neutron strikes the nucleus of certain atoms-uranium, for example-this atomic center can break into pieces in a process called nuclear fission, releasing enormous energy in the form of heat and radiation. (nrdc.org)
The energy released from the fission of uranium atoms heats water, which produces steam. (nrdc.org)
Radon is a colorless, odorless gas that results from the breakdown of radioactive uranium, thorium and radium. (swat-radon.com)

According to a 2003 report EPA's Assessment of Risks from Radon in Homes from the United States Environmental Protection Agency, epidemiological evidence shows a clear link between lung cancer and high concentrations of radon, with 21,000 radon-induced U.S. lung cancer deaths per year-second only to cigarette smoking. (wikipedia.org)
Thus in geographic areas where radon is present in heightened concentrations, radon is considered a significant indoor air contaminant. (wikipedia.org)
In the US, radon concentrations are often measured in picocuries per liter (pCi/L), with 1 pCi/L = 37 Bq/m3. (wikipedia.org)
citation needed] Radon concentrations found in natural environments are much too low to be detected by chemical means: for example, a 1000 Bq/m3 (relatively high) concentration corresponds to 0.17 picogram per cubic meter. (wikipedia.org)
In mining contexts, radon concentrations can be much higher. (wikipedia.org)
Outdoors, radon quickly dilutes to harmless concentrations but when it enters an enclosed space, such as a house, workplace or other building, it can accumulate to unacceptably high concentrations. (epa.ie)
The national reference level for indoor radon concentrations in workplaces is 300 Bq/m3. (epa.ie)
If the whole contents of a cylinder is released during a fire, lethal air concentrations of toxic substances can occur within distances of 500 to 1,000 meters. (ratical.org)
The lab reports the final determination of the radon concentrations. (inspectionsupport.com)
ANSI/AARST MAMF-2017 - Protocol for Conducting Measurements of Radon and Radon Decay Products in Multifamily Buildings offers guidance for conducting measurements to identify locations that have elevated radon concentrations. (ansi.org)
Two radon isotopes, Rn-222 and Rn-220, are found in significant concentrations in the human environment, forming in the decay chain of other radioactive elements. (ansi.org)
ANSI/AARST MAMF-2017 covers preparations for the measurements, requirements for protocol, quality control, and the testing procedures themselves for assessing radon concentrations. (ansi.org)
Some buildings containing radon concentrations under this value may even benefit by having those concentrations lowered through mitigation. (ansi.org)
The findings indicate that the radon concentrations ranged from 10.6602.07 Bq/m 3 to 53.3034.64 Bq/m 3 with an average 26.5373.21Bq/m 3 . (madridge.org)
When investigators tested the air inside her family's house in 2004, they found concentrations of TCE exceeded a site-specific threshold set by the U.S. Environmental Protection Agency. (undark.org)
The action levels for the radon concentrations for different working times are given in the table below. (stuklex.fi)

Radon, a radioactive, colorless, odorless, tasteless noble gas, has been studied by a number of scientific and medical bodies for its effects on health. (wikipedia.org)
Radon is a colorless, odorless gas. (inspectionsupport.com)
Since radon is colorless, odorless, and tasteless, the only way to detect the incredibly-harmful radioactive chemical is through testing. (ansi.org)
Because it's a tasteless, odorless, colorless gas, there are no physical signs that will alert you to the presence of radon in a home. (homeinspectionprofessionals.com)

A naturally-occurring gas formed as a decay product of radium, radon is one of the densest substances that remains a gas under normal conditions, and is considered to be a health hazard due to its radioactivity. (wikipedia.org)
Counties were ranked into one of three categories (Zone 1, Zone 2, or Zone 3, with "1" being higher potential and "3" being lower potential) based on indoor radon measurements (i.e., data from the 1987-88 residential radon survey), geology, aerial radioactivity, soil permeability, and foundation type. (homeinspectionprofessionals.com)

Other AARST standards for radon consideration in building design are focused on testing for radon in single family dwellings, schools, and large buildings, as well as mitigating the presence of radon in new buildings and reducing radon activity in existing structures. (ansi.org)
Without testing, most Goldsboro property owners aren't aware of the presence of radon gas until someone who lives in their household or works in their business develops serious health problems. (swat-radon.com)

New radiation protection legislation requires all employers in high radon areas to test their workplace for the radioactive gas radon. (epa.ie)
New radiation protection legislation places requirements on all employers in high radon areas. (epa.ie)
Radioactive decay is the process in which a radioactive atom spontaneously gives off radiation in the form of energy or particles to reach a more stable state. (cdc.gov)
It is important to distinguish between radioactive material and the radiation it gives off. (cdc.gov)
Radioactive atoms give off one or more of these types of radiation to reach a more stable state. (cdc.gov)
When you breathe in radon , it gets into the lining of your lungs and gives off radiation. (inspectionsupport.com)
A portable nuclear gauge uses very small amounts of radioactive material, Cesium 137 and Americium 241, to produce just enough radiation to measure the density of soils and asphalt. (apnga.org)
Radiation emitted by the radioactive material passes through the soil and is either absorbed/stopped by the soil or makes its way to the detector tubes on the other side of the gauge. (apnga.org)
The neutrons that are released by one atomic fission go on to fission other nuclei, triggering a chain reaction that produces heat, radiation, and radioactive waste products. (nrdc.org)
If uncontrolled, that chain reaction could produce so much heat that the nuclear reactor core itself could actually melt and release dangerous radiation. (nrdc.org)
In present study, natural levels of radon-222 in forty selected herbs with medicinal properties present in many stores throughout Iraq were measured to establish any potential radiation hazards. (madridge.org)
For the practical purpose of Assessing and regulating the hazard of ionizing radiation to workers and the general population, weighing factor are useful. (physicswave.com)
It is the kinetic energy released by ionizing radiation per unit mass of absorber. (physicswave.com)
Radon: The biggest source of natural background radiation is airborne radon and its progenies (about 55%), a radioactive gas that emanated from the ground. (physicswave.com)
Two years ago, I was awarded an ACS Hach grant to purchase Vernier radiation detectors, radioactive samples from Flinn Scientific and a radioactive shielding kit also from Flinn. (chemedx.org)
I recommend assigning students the video " The Most Radioactive Places on Earth " from Veritasium prior to assigning the simulation discussed above so they get a general understanding of what a radiation detector or Geiger counter is measuring and what the units mean. (chemedx.org)
Compliance Officers should be aware of the potential radiation hazard to workers due to TENR in the oil and gas industry. (osha.gov)
TENR is a subset of a larger grouping referred to as naturally-occurring radioactive materials (NORM), Regulations to deal with NORM are being developed by a task force of the Conference of Radiation Control Program Directors (CRCPD) and have been through six drafts to date. (osha.gov)
Children have been reported to have greater risk than adults of certain types of cancer from radiation, but there are currently no conclusive data on whether children are at greater risk than adults from radon. (homeinspectionprofessionals.com)
According to several hazard indices, terrestrial background radiation is not of radiological concern in the investigated region. (bvsalud.org)

Its most stable isotope, radon-222 (222 Rn), has a half-life of 3.8 days. (wikipedia.org)
At-Atatine is a radioactive isotope with an extremely short half-life of 7.2 to 8 hours. (mighty-90.com)
As a result of natural radioactive decay in the soil radon isotope particles, 222 Rn are released from the soil particles escaping into the atmosphere. (madridge.org)
Among those physical agents considered suitable for evaluation by the Monographs, and assigned high priority at that time, were electric and magnetic fields, the radioactive isotope iodine-131, and radioactive wastes. (who.int)
A radionuclide ( radioactive nuclide , radioisotope or radioactive isotope ) is a nuclide that has excess nuclear energy, making it unstable. (wikipedia.org)

Alpha particles do not present an external hazard to people because they can't get through our outer layer of dead skin cells. (cdc.gov)
However, beta particles carry enough energy to cause burns on exposed skin and present an internal hazard if we breathe or eat beta-emitting radioactive material or if the radioactive material is introduced through an open wound. (cdc.gov)
Gamma rays also can be an internal hazard if we breathe or eat gamma-emitting radioactive materials, or if the radioactive material is introduce through an open wound, but the damage they do to cells inside our bodies is not as severe as that done by alpha and beta particles. (cdc.gov)
As radon particles hit the Teflon, they cause a reaction. (inspectionsupport.com)
The CR-39 detector recorded the presence and effects of alpha particles which resulted from the dissolution of radon gas. (madridge.org)
For the purposes of discussion, we will divide the pollutants into three groups: particles, gaseous pollutants, and radon and its progeny. (franksheating.com)
Biological particles, such as animal and insect allergens, viruses, bacteria, and molds, can cause allergic reactions, infectious diseases, and/or can produce toxic products that may be released into the air. (franksheating.com)
The concern is the possible inhalation and/or ingestion of scale particles contaminated with radium-226 and possibly other radioactive material that may become airborne during welding, cutting or reaming of pipe containing the radioactive scale. (osha.gov)
Radon gas decays into radioactive particles that can get trapped in your lungs when you breathe. (homeinspectionprofessionals.com)
As they break down further, these particles release small bursts of energy. (homeinspectionprofessionals.com)
The common air pollutants (the substances which cause pollution) include smoke and harmful gases from industries, CFCs and oxides produced by the automobiles, the burning of solid wastes, i.e. sulphur oxides, CO, CO2, particulate matter, NH3, smoke produced by explosives and other radioactive particles (e.g. (ukessays.com)

In every 1 square mile of surface soil, the first 6 inches (150 mm) (of depth) contains about 0.035 oz of radium (0.4 g per km2) which releases radon in small amounts to the atmosphere. (wikipedia.org)
On a global scale, it is estimated that 2,400 million curies (91 TBq) of radon are released from soil annually. (wikipedia.org)
Radon can enter a house when these same radioactive elements break down in the soil. (inspectionsupport.com)
In most cases, radon entering the home through water is a small risk compared with radon entering your home from the soil. (tommymac.us)
The radon release rate from the soil is known as the radon emanation rate or the radon exhalation rate. (madridge.org)
Radon exhalation is an intricate phenomenon depending on a number of parameters such as soil morphology, radium content in the soil, temperature, atmospheric pressure, soil moisture, rainfall and soil particle size [7] . (madridge.org)
However, radon that rises into a structure from the soil or rock beneath the basement, crawl space, or foundation slab may become concentrated indoors and reach dangerously high levels. (swat-radon.com)
Radon and its progeny are radioactive pollutants that originate from natural sources such as rock, soil, groundwater, natural gas, and mineral building materials. (franksheating.com)
Detectable radioactive elements are found throughout in nature i.e. soil, water, air and vegetables. (physicswave.com)
Radon is a naturally-occurring radioactive gas that comes out of soil, rocks, and water. (airfree.com)

An investigation by the Health and Safety Executive (HSE) found that the school knew they had a radon problem as far back as 2007 when they carried out monitoring and installed some remediation to reduce radon levels. (earthenvironmental.co.uk)
Only following HSE intervention in 2018 did the school find out about their previous radon problem and further radon monitoring and remediation was carried out to reduce radon levels. (earthenvironmental.co.uk)

Radon is a natural radioactive gas, which enters buildings from the ground. (ceda.ac.uk)
I. INTRODUCTION - Technologically Enhanced Natural Radioactive Material (TENR) Naturally-occurring radionuclides arc ubiquitous in the environment. (osha.gov)

The average concentration of radon in the atmosphere is about 6×10−20 atoms of radon for each molecule in the air, or about 150 atoms in each mL of air. (wikipedia.org)

Am-Americum are radioactive isotopes and have a half-life of 7,950 years. (mighty-90.com)

You can also use your state radon programs that can connect you with radon inspectors in your area. (inspectionsupport.com)
EPA worked with the U.S. Geological Survey and the state radon programs to develop a "map of zones" to help identify areas of the U.S. with the potential for elevated indoor radon levels. (homeinspectionprofessionals.com)

This radon potential hazard information for Great Britain is based on UKHSA indoor radon measurements and BGS digital geology information. (ceda.ac.uk)
The indoor radon data is used with the agreement of the UKHSA. (ceda.ac.uk)
The ground is the most important source as radon can seep out and build up in houses and indoor workplaces like schools. (earthenvironmental.co.uk)
Radon is the leading cause of lung cancer in non-smokers and is an indoor contaminant in over 600,000 homes in Canada. (cela.ca)

Radon testing in workplaces is simple and inexpensive and, where necessary, reducing high radon levels in a building is also straightforward. (epa.ie)
In addition to the existing general duties on employers to address radioactive hazards, this new legislation provides employers with clear testing requirements for radon gas in their workplaces. (epa.ie)
Where the results of this test are above the national reference level for workplaces of 300 Bq/m3, employers must carry out remedial work to reduce radon. (epa.ie)
The radioactive gas radon is a hazard in many homes and workplaces and breathing in radon is the second largest cause of lung cancer in the UK resulting in over 1,000 fatal cancers per year. (earthenvironmental.co.uk)
The action level for the radon concentration in inhaled air is 400 Bq/m 3 in workplaces where people work on a permanent basis. (stuklex.fi)

The collection kit is left in one location for the specified amount of time and is then collected and processed to determine the level of radon that was present during the testing period. (swat-radon.com)
Once we've determined the presence and level of radon in a structure, our team can then offer a range of mitigation options that are tailored to the specific situation. (swat-radon.com)
Whilst every building contains some level of radon the levels are usually low, so the risk to health is small. (earthenvironmental.co.uk)

Many states require radon professionals to be licensed, certified, or registered, and to install radon mitigation systems that meet state requirements. (tommymac.us)
In states that don't regulate radon services, ask the contractor if they hold a professional proficiency or certification credential, and if they follow industry consensus standards such as the American Society for Testing and Materials (ASTM) Standard Practice for Installing Radon Mitigation Systems in Existing Low-Rise Residential Buildings, E2121 (March 2001), or the U.S. EPA's Radon Mitigation Standards (EPA 402-R-93-078, revised April 1994). (tommymac.us)
Some people that know "a little", think that basement waterproofing systems and radon mitigation systems are incompatible. (homeinspectionprofessionals.com)

This also serves as an opportunity for healthcare providers to learn more about the role they can play in informing patients about radon and limiting the effects of exposures. (cdc.gov)
ATSDR recognizes the important role healthcare providers play in efforts to mitigate radon exposures and raise awareness about radon. (cdc.gov)
We encourage healthcare professionals to learn more about radon and help to raise awareness of its hazards and mitigate exposures. (cdc.gov)
Our inspectors will continue to raise awareness during their inspections of the potential for radon gas exposures and the need for appropriate risk assessments. (epa.ie)
These exposures to radioactive radon gas occurred in 2019. (earthenvironmental.co.uk)

An imaging tracer made with radionuclides is called a radioactive tracer . (wikipedia.org)
any practice producing waste containing substantial amounts of naturally occurring radioactive substances or causing significant releases of naturally occurring radionuclides into the environment. (stuklex.fi)

Radon-222 is a noble gas formed from radium ( 226 Ra) and has a half-life of 3.8 days. (madridge.org)
Radon Gas is a naturally occurring radioactive gas that comes from radium deposits in the earth's crust. (homeinspectionprofessionals.com)

According to the Environmental Protection Agency, radon is estimated to be the second leading cause of lung cancer in the United States, responsible for more than 20,000 lung cancer deaths each year. (cdc.gov)
In fact, radon causes 21,000 lung cancer deaths in the United States every year, being second only to smoking as the main cause of the terminal illness. (ansi.org)
Radon is estimated to cause many thousands of lung cancer deaths each year. (tommymac.us)
Lifetime risk of lung cancer deaths from EPA Assessment of Risks from Radon in Homes (EPA 402-R-03-003). (homeinspectionprofessionals.com)
Although some scientists dispute the precise number of deaths due to radon, all the major health organizations (like the Centers for Disease Control and Prevention, the American Lung Association and the American Medical Association) agree with estimates that radon causes thousands of preventable lung cancer deaths every year. (homeinspectionprofessionals.com)

Visit the EPA's interactive radon risk map and find out whether your workplace is in a high radon area. (epa.ie)
However, if you decide to do the work yourself, get information on appropriate training courses and copies of EPA's technical guidance documents from your state radon office. (tommymac.us)

Not all home inspectors are licensed to perform radon tests. (inspectionsupport.com)
You can determine a service provider's qualifications to perform radon measurements or to mitigate your home in several ways. (tommymac.us)

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)

EPA specified numerous fundamental shortcomings, including: potential impacts to public health, water supply, water quality, wastewater treatment operations, local and regional air quality, management of naturally occurring radioactive materials and cumulative environmental impacts. (toxicstargeting.com)
The State of Louisiana, Department of Environmental Quality has recently issued a notification concerning a potential health hazard associated with handling pipe used in oil and gas production that may be contaminated with radioactive scale from naturally-occurring radioactive materials (NORM). (osha.gov)

Radon concentration in the atmosphere is usually measured in becquerels per cubic meter (Bq/m3), which is an SI derived unit. (wikipedia.org)
As it draws in, the device can record the concentration of radon in the air. (inspectionsupport.com)
According to the EPA, the concentration of radon in the air within a building should be reduced below 4 pCi/L (picocuries per liter), an amount that nearly 1 out of every 15 homes in the United States are estimated to exceed. (ansi.org)
The UKHSA defines radon Affected Areas as those with 1% chance or more of a house having a radon concentration at or above the Action Level of 200 Bq m-3. (ceda.ac.uk)
These radon concentration values were lower than those reported in literature. (madridge.org)
The Solid State Nuclear Track Detectors or SSNTDʼs are considered to be most used devices for radon concentration measurements in the ecological fields. (madridge.org)
The CR - 39 plastic track detectors were used for the evaluation of radon concentration in different types of herbs used in this study. (madridge.org)
Although it is radioactive and the second leading cause of lung cancer, it is very improbable that a concentration in your home's basement or crawl area can create an explosion like that caused by propane or natural gas (EPA). (bahraingas.bh)
Radon concentration refers to the annual mean of the radon concentration during working time. (stuklex.fi)
If the work is not performed on a permanent basis, the mean radon concentration in inhaled air may be higher than 400 Bq/m 3 . (stuklex.fi)
Action levels for the radon concentration in inhaled air for different working times. (stuklex.fi)
A provision is laid down in the same section concerning STUK's right to impose regulations for limiting the radon concentration of breathing air in working premises in which work is performed only occasionally or for short periods. (stuklex.fi)

Radon is a colourless, odourless, radioactive gas that occurs in rocks and soils, some building materials and water. (earthenvironmental.co.uk)

These atoms can become radioactive. (cdc.gov)
Half-life is the length of time it takes for half of the radioactive atoms of a specific radionuclide to decay. (cdc.gov)
If you start with 100 atoms, after one half-life you'll have 50 radioactive atoms. (cdc.gov)
After two half-lives, you'll have 25 radioactive atoms. (cdc.gov)
And after a third half-life, you'll have 12 radioactive atoms. (cdc.gov)
Then 6, then 3, then 1, until eventually, all of the radioactive atoms in that population will reach their more stable state. (cdc.gov)
But in the process, several types of radioactive atoms are generated. (cdc.gov)
In fission, the nuclear fuel is placed in a nuclear reactor core and the atoms making up the fuel are broken into pieces, releasing energy. (nrdc.org)
Radioactive decay is a random process at the level of single atoms: it is impossible to predict when one particular atom will decay. (wikipedia.org)
The range of the half-lives of radioactive atoms has no known limits and spans a time range of over 55 orders of magnitude. (wikipedia.org)

The amount of radon in the air is measured in 'picoCuries of radon per liter of air,' or 'pCi/L.' Sometimes test results are expressed in Working Levels, 'WL,' rather than picoCuries per liter of air. (tommymac.us)

ANSI/AARST MAMF-2017 rev.1-21 - Protocol for Conducting Measurements of Radon and Radon Decay Products in Multifamily Buildings is available on the ANSI Webstore. (ansi.org)

In the United States, radon gas in soils is the principal source of elevated radon levels in homes. (tommymac.us)

Landslide hazard occurs due to particular slope characteristics (such as geology, gradient, sources of water, drainage, man-made constructions) combining to cause the slope to become unstable. (ceda.ac.uk)
This product was derived from BGS Geology 50k (formerly known as DigMap50k) version 8 and UKHSA in-house radon measurement data. (ceda.ac.uk)

Radon can build up to dangerous levels inside homes or buildings, and water supplies can contain dissolved radon. (cdc.gov)
Radon levels vary by location and can accumulate in structures. (cdc.gov)
If you smoke and your home has high radon levels, your risk of lung cancer is especially high. (tommymac.us)
EPA recommends fixing your home if the results one long-term test or the average of two short-term tests show radon levels of 4 pCi/L (or 0.02 WL) or higher. (tommymac.us)
With today's technology, radon levels in most homes can be reduced to 2 pCi/L or below. (tommymac.us)
EPA recommends that you have a qualified radon mitigation contractor fix your home because lowering high radon levels requires specific technical knowledge and special skills. (tommymac.us)
UK Health Security Agency (formerly PHE) recommends that radon levels should be reduced in homes where the annual average is at or above 200 becquerels per cubic metre (200 Bq m-3). (ceda.ac.uk)
Short-term tests for radon are conducted over a period of two to seven days while long-term tests measure the levels of radon for 90 days or longer. (swat-radon.com)
When radon levels are 4 pCi/L or higher, radon mitigation is recommended. (swat-radon.com)
A private boarding school has been fined £50,000 after exposing two employees, five pupils, and two other children to high levels of radioactive radon gas. (earthenvironmental.co.uk)
Five pupils at Kingswood School in Bath, Somerset were exposed to levels of radioactive radon gas almost 8 times the legal limit. (earthenvironmental.co.uk)
Two other children, who were not pupils at the school, were exposed to levels of radon gas almost 14 times the legal limit. (earthenvironmental.co.uk)
The two employees and their two children were exposed to the elevated radon gas levels as a result of working and living at the school. (earthenvironmental.co.uk)
Bristol, areas of Wales, Cumbria, and parts of the Peak District to name a few, buildings and grounds may have higher levels of radon and there may be a need for radon monitoring in specific areas. (earthenvironmental.co.uk)
But How Do You Know if Your School Building, Land, or Grounds Has Higher Levels of Radon? (earthenvironmental.co.uk)
We mapped the results of Health Canada's cross-Canada survey of radon and found that over half of federal ridings have homes with above-guideline radon levels. (cela.ca)
Homes with elevated levels of radon have been found in all three zones. (homeinspectionprofessionals.com)
While your neighbor's test results may provide some indication of the potential for a problem in your home, radon levels can vary significantly from lot to lot and home to home. (homeinspectionprofessionals.com)
Not everyone exposed to elevated levels of radon will develop lung cancer. (homeinspectionprofessionals.com)
Reducing radon levels below 2 pCi/L is difficult. (homeinspectionprofessionals.com)

In fact, the Surgeon General has warned that radon is the second leading cause of lung cancer in the United States. (tommymac.us)

The radon (222 Rn) released into the air decays to 210 Pb and other radioisotopes. (wikipedia.org)

Still, giving the new place a radon test before you move in is a great idea to protect you and your family's health. (inspectionsupport.com)
The lower the radon level in your home, the lower your family's risk of lung cancer. (tommymac.us)
Below are some environmental health and safety tips and resources that will help you identify and correct potential laundry room hazards that could affect your family's health. (home-air-purifier-expert.com)

Scientists are more certain about radon risks than from most other cancer-causing substances. (homeinspectionprofessionals.com)
Like other environmental pollutants, there is some uncertainty about the magnitude of radon health risks. (homeinspectionprofessionals.com)
However, we know more about radon risks than risks from most other cancer-causing substances. (homeinspectionprofessionals.com)
This is because estimates of radon risks are based on studies of cancer in humans. (homeinspectionprofessionals.com)

Health hazards encountered by workers at a granular chemical fertilizer factory in Calgary, Canada were discussed. (fluoridealert.org)

The sooner you realize you have a radon build-up in your home, the more quickly you can mitigate the problem. (inspectionsupport.com)

We will continue to support employers by providing information and through our on-line risk assessment tool BeSMART , which includes radon as a hazard. (epa.ie)
You need to make sure that you have completed a radon risk assessment. (earthenvironmental.co.uk)

The letter also requests that the Governor address a wide range of concerns regarding inadequate gas release disclosure requirements, lack of financial surety to address gas hazards, failure to impose strict liability for clean up of gas hazards and the failure to establish a dedicated gas pollution clean up fund comparable to the spill remediation fund. (toxicstargeting.com)

With the potential health issues that radon can cause, you should know if it's present in your home or not. (inspectionsupport.com)
Without the proper equipment or technical knowledge, you could actually increase your radon level or create other potential hazards and additional costs. (tommymac.us)
The joint UK Health Security Agency (UKHSA) (formerly Public Health England (PHE)) - British Geological Survey (BGS) digital dataset Radon Potential for Great Britain provides the current definitive map of radon Affected Areas in Great Britain. (ceda.ac.uk)
limestone, chalk, gypsum and salt, each with a different character and associated potential hazards. (ceda.ac.uk)
I have also receive many questions about hazards related to washing machines and gas clothes dryers - regarding toxic black mold, fire potential, and carbon monoxide gas dangers. (home-air-purifier-expert.com)
Now let's discover other potential laundry room hazards you may not have been aware of. (home-air-purifier-expert.com)
Catalysts used in the manufacturing process were potential hazards to those workers that are removing or installing charges. (fluoridealert.org)
The truth is, any home could have a radon problem, whether it's in an area with a high radon potential or an area with a low radon potential, or whether it's old or new, energy-efficient or drafty, built on a slab or built over a basement or crawlspace. (homeinspectionprofessionals.com)

IARC, 1987b), a formal system for making overall evaluations of carcinogenic hazard to humans was introduced. (who.int)
This was not evaluated independently as a carcinogenic hazard at that time, but was subsequently evaluated in Volume 55 (IARC, 1992). (who.int)

There has never been a dirty bomb devised or exploded using sources from portable nuclear gauges, in fact, there has never been a radioactive dirty bomb of any kind ever exploded in the history of the planet. (apnga.org)
Nuclear power comes from the energy that is released in the process of nuclear fission. (nrdc.org)
Although U.S. nuclear power plant regulators monitor operational safety, natural hazards (such as hurricanes, floods, and earthquakes), human error, mechanical failure, and design flaws can still trigger the release of radioactive contamination. (nrdc.org)

By sharing our tools and training materials with professionals in your community you can help take action against radon! (cdc.gov)

They range from dusts to chemicals to radon. (franksheating.com)
Furthermore, contaminated air can also increase your risk of lung cancer, particularly if you are exposed to chemicals like radon and asbestos over a long period of time. (blthomeinspections.com)

As they deteriorate, the radon they release disperses into the atmosphere without harm. (inspectionsupport.com)
Radon-222 can be emitted from the earth, rocks, as well as construction materials, and it can accumulate with its short-lived progeny in the atmosphere within the residences [6] . (madridge.org)
The introduction of harmful waste materials, other forms of contamination which are a hazard to the life sustaining atmosphere of the planet earth is commonly known as pollution. (ukessays.com)
Radon gas is released into the atmosphere because of radioactive decay within the Earth's crust) being released into the atmosphere. (ukessays.com)

Every workplace needs to consider radon as a risk to its employees and others. (earthenvironmental.co.uk)
OSHA provides information about chemical hazards in the workplace. (allperfecthealth.com)

Because of this, we have developed trainings to educate healthcare providers and help them recognize diseases caused by hazardous substances in the environment, such as radon. (cdc.gov)
The widespread prevalence of these substances means that radon gas is an issue faced by many home and commercial property owners. (swat-radon.com)

Reducing radon in buildings is straightforward and advice and information is available on the website . (epa.ie)

Although there have been catastrophic incidents where gauges have been demolished by tractor-trailers and heavy construction equipment, or melted down in fires, there has never been an instance where the damage has compromised the shielding to the point that contamination was released or caused harm to anyone. (apnga.org)

If cylinders are involved in long-lasting fires, large amounts of UF 6 can be released within a short time. (ratical.org)

For multifamily buildings, ANSI/AARST MAMF-2017 offers radon measurement guidance. (ansi.org)

That's why power plants use "control rods" that absorb some of the released neutrons, preventing them from causing further fissions. (nrdc.org)

ANSI/AARST MAMF-2017 was written and published by the American Association of Radon Scientists and Technologists (AARST) , an ANSI-accredited standards-developing organization. (ansi.org)
MYTH: Scientists aren't sure radon really is a problem. (homeinspectionprofessionals.com)

At today's National Radon Forum, attendees heard from the Environmental Protection Agency (EPA) and the Health and Safety Authority (HSA) about the requirements of this new legislation. (epa.ie)

Regulation 66 of these Regulations places a specific duty on employers in high radon areas to test for radon. (epa.ie)
The rules that are developed by a governmental agency, once the legislature has passed a particular law, set guidelines and specific regulations for enforcing that law. (usf.edu)

dedicated to the highest standard of excellence and ethical performance of radon measurement, radon mitigation and transfer of radon information for the benefit of members, consumers and the public at large. (ansi.org)

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