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2. Earthquake prediction - Wikipedia

   en.wikipedia.org/wiki/Earthquake_prediction

   Radon is potentially useful as an earthquake predictor because it is radioactive and thus easily detected, [f] and its short half-life (3.8 days) makes radon levels sensitive to short-term fluctuations. A 2009 compilation [59] listed 125 reports of changes in radon emissions prior to 86 earthquakes since 1966. The International Commission on ...

3. Radon - Wikipedia

   en.wikipedia.org/wiki/Radon

   Radon has been produced commercially for use in radiation therapy, but for the most part has been replaced by radionuclides made in particle accelerators and nuclear reactors. Radon has been used in implantable seeds, made of gold or glass, primarily used to treat cancers, known as brachytherapy. The gold seeds were produced by filling a long ...

4. Health effects of radon - Wikipedia

   en.wikipedia.org/wiki/Health_effects_of_radon

   Radon is responsible for the majority of public exposure to ionizing radiation. It is often the single largest contributor to an individual's background radiation dose, and is the most variable from location to location. Radon gas from natural sources can accumulate in buildings, especially in confined areas such as attics and basements.

5. Radium and radon in the environment - Wikipedia

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

   Residues from the oil and gas industry often contain radium and its daughters. The sulfate scale from an oil well can be very radium rich. The water inside an oil field is often very rich in strontium, barium and radium, while seawater is very rich in sulfate: so if water from an oil well is discharged into the sea or mixed with seawater, the radium is likely to be brought out of solution by ...

6. Radon mitigation - Wikipedia

   en.wikipedia.org/wiki/Radon_mitigation

   A typical radon test kit Fluctuation of ambient air radon concentration over one week, measured in a laboratory. The first step in mitigation is testing. No level of radiation is considered completely safe, but as it cannot be eliminated, governments around the world have set various action levels to provide guidance on when radon concentrations should be reduced.

7. Drinking water quality in the United States - Wikipedia

   en.wikipedia.org/wiki/Drinking_water_quality_in...

   Acute effects contaminants are the most commons type that are found in drinking water. Acute contaminants are usually easy for the human body to fight off and don't normally have long lasting health effects. Chronic effects occur after people consume a contaminant at levels over EPA's safety standards over the course of many years. [33]