CONTENTS
Page
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Acknowledgments
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List
of
Tables
List
of
Illustrations
Summary
I.
Il.
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and
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Results
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‘'3lr Intake at Rongelap Island Based on Urine Bioassay
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Radioiodine Air Concentrations Based on Meteorology .....eeelL.
2.
3.
4.
5.
Calculation of BRAVO Fallout Patterns .ccccsccscccscccese
Comparison of Whole-Sfody Dose Estimates... ccccccccssecs
Duration of Pallout wccccccccccccccccccnescsnesevesevccce
Rate of Rise-of-Exposure Rate wcrcccsccccscescccscccseces
Comparison of Airborne Activity Concentrations ..cccecees
Radioiodine Surface Activity Based on Archival Soil Analysis
for
1.
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3.
4.
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The Archival Soil Sample Collection ......c.ccceccscceces
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Archival Soils ..cccccccccccsancccceccccccsnesscccscceres
12
Analysis of Samples ..ccccccccnccccccccccccvcvesesscceese
Estimace of Initial Surface Activity ..cccccccccccccceccs
Ratio of Nuclide Activity to Total Fallout Activity in
The Ratio of Nuclide Activity to Fission Product Activity
for Thermonuclear Fission wcccsccnccsccccccccscsscevess
The Ratio of Nuclide Activity to Total Activity for
Bikini ABW ceccccrcccsscccvcccccvccssscsscvcscscccecess
D.
ix
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Results
C.
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Methods
R.
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Introduction
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Preface
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Comparison of Archival Soil Measurements to Thermonuclear
Fission Data and Bikini Ash Estimates ......scccceecees
Estimation of Radioiodine Activity per Unit Area Based
on Soil Activity for 1297 JLo. cece ccc cee nee eeenes
18
Thyroid Absorbed Dose Estimate Based on Bikini Ash Results ..
19
Surface Activity and Exposure-Rate Estimates ..ccccsccens
19
19
21
Le
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Nuc lide
b.
The
Composition
Decay
of
Fallout
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- vii -
17