World Map
Indoor radon concentration
International radon concentration is meausred in Bq/m3 whereas American radon concentration is measured in pci/L. 1pci/L=37 Bq/m3. Average Radon Concentrations throughout the world reported from the Report of the United Nations Scientific Committee 2000.
Questions/Comments, e-mail: Dr. Steck
Last revised : 11 August, 2004
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