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He said that studies are under way to determine the risk to individuals, using measuring equipment in the home. That would provide primary data, or direct evidence of any increased risk at high levels of exposure. However, Dr. Einarson said, results of those studies are not expected for five years.
Ironically, with the increase in energy conservation practiced during the past several decades comes an increased risk of radon contamination in the home. Years ago, before houses were well insulated, the
See RADON, p. 16
91.2%