Radon and Its Decay Products in Indoor AirWilliam W. Nazaroff, Anthony V. Nero In recent years, the perception of indoor radon as a relatively minor health issue has been radically altered: observations in Sweden, Canada, and the U.S. have revealed the high incidence of elevated radon levels in ordinary houses and the extreme hazard of inhaling radon decay products. These findings have lead to a wide range of activities and intensive research aimed at limiting human exposure to radon. This is one of the few books to provide a comprehensive, insightful analysis of the radon problem. Papers reflecting the most current research critically review all major aspects of this issue, each providing sufficient detail to be accessible to those who are technically trained but lack prior direct experience. Coverage includes the generation and migration of radon in source material, the physical and chemical behavior of radon, current evidence on the health effects and risk of exposure, and the strategic and tactical aspects of controlling exposures. |
Contents
Indoor Concentrations | 10 |
Behavior of the Decay Products | 23 |
Identifying and Controlling Indoor | 31 |
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activity aerosol airborne airways alpha particles areas assessment atoms attachment rate average Bq/m³ bronchi bronchial building materials carcinoma cells cm² concrete deposition velocity diffusion coefficient distribution dose dosimetry effect energy environment environmental epidemiological epithelium Equation equilibrium factor estimated exhalation rate exposure rate exposure to radon Figure geometric mean geometric standard deviation Health Phys houses ICRP increase indoor air indoor concentrations indoor radon concentrations inhalation ions Lawrence Berkeley Laboratory levels lung cancer measurements mines monitoring outdoor PAEC parameters particles permeability pore Porstendörfer potential alpha potential alpha-energy pressure radiation radioactive radioactive decay radium radon and thoron radon daughters radon decay products radon progeny range rats reduce relative risk Rn-d exposure sampling smoking soil gas studies surface Table techniques thoron progeny tion tumors unattached fraction unattached progeny unattached radon progeny uranium miners values ventilation rate weeping tile