| 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. |
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| 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 |
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| D011850 |
Radioactive Waste |
Liquid, solid, or gaseous waste resulting from mining of radioactive ore, production of reactor fuel materials, reactor operation, processing of irradiated reactor fuels, and related operations, and from use of radioactive materials in research, industry, and medicine. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Hazardous Waste, Radioactive,Nuclear Waste,Hazardous Wastes, Radioactive,Nuclear Wastes,Radioactive Hazardous Waste,Radioactive Hazardous Wastes,Radioactive Wastes,Waste, Nuclear,Waste, Radioactive,Waste, Radioactive Hazardous,Wastes, Nuclear,Wastes, Radioactive,Wastes, Radioactive Hazardous |
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| D003120 |
Colorado |
State bounded on the north by Wyoming and Nebraska, on the east by Kansas and Nebraska, on the south by New Mexico and Oklahoma, and on the west by Utah. |
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| D005390 |
Fires |
Combustion or burning in which substances combine chemically with oxygen typically giving out bright light, heat, and smoke. |
Fire |
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| D000062 |
Accidents, Occupational |
Unforeseen occurrences, especially injuries in the course of work-related activities. |
Accidents, Industrial,Industrial Accidents,Occupational Accidents,Accident, Industrial,Accident, Occupational,Industrial Accident,Occupational Accident |
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| D000398 |
Air Pollution, Radioactive |
Contamination of air with radioactive substances. |
Radioactive Air Pollution,Pollution, Radioactive Air |
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| D000576 |
Americium |
A completely man-made radioactive actinide with atomic symbol Am, and atomic number 95. Its valence can range from +3 to +6. Because of its nonmagnetic ground state, it is an excellent superconductor. It is also used in bone mineral analysis and as a radiation source for radiotherapy. |
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| D012987 |
Soil |
The unconsolidated mineral or organic matter on the surface of the earth that serves as a natural medium for the growth of land plants. |
Peat,Humus,Soils |
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| D013325 |
Strontium Isotopes |
Stable strontium atoms that have the same atomic number as the element strontium, but differ in the atomic weight. Sr-84, 86, 87, and 88 are the stable strontium isotopes. |
Isotopes, Strontium |
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