The exposure to potentially harmful chemical, physical, or biological agents in the environment or to environmental factors that may include ionizing radiation, pathogenic organisms, or toxic chemicals.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000398
Air Pollution, Radioactive
Contamination of air with radioactive substances.
Radioactive Air Pollution,Pollution, Radioactive Air
D014586
USSR
A country located from the Baltic and Black seas to the Pacific Ocean and, for a time including 15 Soviet Socialist Republics. The capital was Moscow.
Soviet Union,Union of Soviet Socialist Republics
D014691
Ventilation
Supplying a building or house, their rooms and corridors, with fresh air. The controlling of the environment thus may be in public or domestic sites and in medical or non-medical locales. (From Dorland, 28th ed)