Status of the Dosimetry for the Radiation Effects Research Foundation (DS86) Book

	Executive Summary	1
1	Introduction	7
	DS86	7
	Gamma Rays	8
	Neutron Measurements and Discrepancy	8
	The National Research Council Committee on Dosimetry for the RERF	11
	United States-Japan Interactions	12
2	Gamma-Ray Measurements	14
	Thermoluminescent Measurements in Brick and Tile	14
	Comparison of TL Gamma-Ray Measurements Between Hiroshima and Nagasaki	24
3	Thermal-Neutron and Fast-Neutron Measurements	31
	Fast-neutron Activation Measurements	32
	Thermal-neutron Activation Measurements	32
	Fast-Neutron Activation Measurements of [superscript 63]Ni	33
	Summary of Available Neutron Activation Measurements	34
	Comparison of Activation Measurements with DS86-Based Calculations	36
	Measurement Issues	50
	Uncertainty in Calculated Activation	55
	Summary, Conclusions, and Recommendations	57
4	Radiation Transport Calculations	60
	The Nagasaki Discrepancy	64
	The Hiroshima Bomb and Possible Other Source Terms	68
	Alternative Disassembly Hypothesis	70
	Status of Efforts to Improve DS86	73
5	Biological Dosimetry at RERF	74
6	Uncertainty in DS86	79
	Systematic Uncertainty	80
	Random Errors Resulting from Method	82
	Random Errors Resulting from Input Data	83
7	Implications for Risk Assessment	87
	Concerns about DS86	87
	The Neutron/Gamma-Ray Dose Ratio	89
	Effect of the Neutron Contribution as Inferred from RBE	90
	Comparison of Neutron Effects in Hiroshima and Nagasaki	92
	Implications of the Neutron Discrepancy	93
8	Conclusions and Recommendations	95
App. A	The RERF Dosimetry Measurements Database and Data Collection for the Dosimetry Reassessment	99
App. B	An Uncertainty Analysis of Neutron Activation Measurements in Hiroshima and Nagasaki	123
App. C	Cosmic-ray Neutron Contribution to Sample Activation	169
App. D	Letter from Committee on Dosimetry to DOE	174
	Glossary	177
	References	184
	Biosketches	194