Radioactivity in airborne particulates and precipitation.
1971
UI
MeSH Term
Description
Entries
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
D002170
Canada
The largest country in North America, comprising 10 provinces and three territories. Its capital is Ottawa.
D000398
Air Pollution, Radioactive
Contamination of air with radioactive substances.
Radioactive Air Pollution,Pollution, Radioactive Air
D013020
South America
The southern continent of the Western Hemisphere, extending southward from the Colombia-Panama border.
D014481
United States
A country in NORTH AMERICA between CANADA and MEXICO.
D014887
Weather
The state of the ATMOSPHERE over minutes to months.
Fog,Fogs
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