Front Matter -- Preface -- Acknowledgments -- Executive Summary -- 1 Introduction -- 2 Gamma-Ray Measurements -- 3 Thermal-neutron and Fast-neutron Measurements -- 4 Radiation Transport Calculations -- 5 Biological Dosimetry at RERF -- 6 Uncertainty in DS86 -- 7 Implications for Risk Assessment -- 8 Conclusions and Recommendations -- Appendix A The RERF Dosimetry Measurements Database and Data Collection for the Dosimetry Reassessment -- Appendix B An Uncertainty Analysis of Neutron Activation Measurements in Hiroshima and Nagasaki -- Appendix C Cosmic-ray Neutron Contribution to Sample Activation -- Appendix D Letter from Committee on Dosimetry to DOE -- Glossary -- References -- Biosketches.