A general formula for the measurement of concentrations of radon and thoron daughters in air.
D000393:Air Pollutants; D000396:Air Pollutants, Radioactive; D001272:Atmosphere; D006207:Half-Life; D008962:Models, Theoretical; D011886:Radon; D012588:Scintillation Counting; D013910:Thorium
D000393:Air Pollutants; D000396:Air Pollutants, Radioactive; D013910:Thorium; D011886:Radon