| D011834 |
Radiation Monitoring |
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. |
Monitoring, Radiation |
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| D011886 |
Radon |
A naturally radioactive element with atomic symbol Rn, and atomic number 86. It is a member of the noble gas family found in soil, and is released during the decay of RADIUM. |
Actinon,Thoron (Element) |
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| D000393 |
Air Pollutants |
Any substance in the air which could, if present in high enough concentration, harm humans, animals, vegetation or materials. Substances include GASES; PARTICULATE MATTER; and volatile ORGANIC CHEMICALS. |
Air Pollutant,Air Pollutants, Environmental,Environmental Air Pollutants,Environmental Pollutants, Air,Air Environmental Pollutants,Pollutant, Air,Pollutants, Air,Pollutants, Air Environmental,Pollutants, Environmental Air |
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| D000396 |
Air Pollutants, Radioactive |
Pollutants present in air which exhibit radioactivity. |
Radioactive Air Pollutants,Pollutants, Radioactive Air |
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| D000512 |
Alpha Particles |
Positively charged particles composed of two protons and two NEUTRONS, i.e. equivalent to HELIUM nuclei, which are emitted during disintegration of heavy ISOTOPES. Alpha rays have very strong ionizing power, but weak penetrability. |
Alpha Rays,Alpha Radiation,Radiation, Alpha,Alpha Particle,Alpha Ray,Particle, Alpha,Particles, Alpha,Ray, Alpha,Rays, Alpha |
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