Table of Contents

1 Front Matter; 2 Public Summary; 3 Executive Summary; 4 1 Introduction; 5 2 Baseline Information on Indoor Radon and Radon in Water in the United States; 6 3 Transfer of Radon from Water to Indoor Air; 7 4 Dosimetry of Ingested Radon and its Associated Risk; 8 5 Dosimetry of Inhaled Radon and its Associated Risks; 9 6 Molecular and Cellular Mechanisms of Radon Induced Carcinogenesis; 10 7 Defining Key Variabilities and Uncertainties; 11 8 Mitigation; 12 9 Multimedia Approach to Risk Reduction; 13 10 Research Recommendations; 14 References; 15 Glossary; 16 A Behavior of Radon and Its Decay Products in the Body; 17 B A Model for Diffusion of Radon Through the Stomach Wall; 18 C Water-Mitigation Techniques; 19 D Risks Associated with Disinfection By-products Formed by Water Chlorination Related to Trihalomethanes (THMs); 20 E Gamma Radiation Dose from Granular-Activated Carbon (GAC) Water Treatment Units; 21 F EPA Approach to Analyzing Uncertainty and Variability; 22 Index

About the Author

Committee on Risk Assessment of Exposure to Radon in Drinking Water, National Research Council