title: Moisture and 222Rn emanation.
mesh_terms: D005740:Gases; D011886:Radon; D012989:Soil Pollutants; D012990:Soil Pollutants, Radioactive; D014867:Water
chemical_list: D005740:Gases; D012989:Soil Pollutants; D012990:Soil Pollutants, Radioactive; D014867:Water; D011886:Radon