Radioactivity in airborne particulates and precipitation. 1968


UI MeSH Term Description Entries
D011005 Plutonium A naturally radioactive element of the actinide metals series. It has the atomic symbol Pu, and atomic number 94. Plutonium is used as a nuclear fuel, to produce radioisotopes for research, in radionuclide batteries for pacemakers, and as the agent of fission in nuclear weapons.
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
D011847 Radioactive Fallout The material that descends to the earth or water well beyond the site of a surface or subsurface nuclear explosion. (McGraw-Hill Dictionary of Chemical and Technical Terms, 4th ed) Fallout, Radioactive,Fallouts, Radioactive,Radioactive Fallouts
D002170 Canada The largest country in North America, comprising 10 provinces and three territories. Its capital is Ottawa.
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.
D014900 West Indies Islands lying between southeastern North America and northern South America, enclosing the Caribbean Sea. They comprise the Greater Antilles (CUBA; DOMINICAN REPUBLIC; HAITI; JAMAICA; and PUERTO RICO), the Lesser Antilles (ANTIGUA AND BARBUDA and the other Leeward Islands, BARBADOS; MARTINIQUE and the other Windward Islands, NETHERLANDS ANTILLES; VIRGIN ISLANDS OF THE UNITED STATES, BRITISH VIRGINI ISLANDS, and the islands north of Venezuela which include TRINIDAD AND TOBAGO), and the BAHAMAS. (From Webster's New Geographical Dictionary, 1988, p1330) Caribbean Islands,Cayman Islands,Montserrat,Turks and Caicos Islands

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