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TABLE OF CONTENTS
LIST OF FIGURES 2 6. 2 2 we ee ee ee ee tt ews
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LIST OF TABLES
vi
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ACKNOWLEDGMENTS 2. 2 0 2 ew eh ew ww we we a
INTRODUCTION
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2.
OBJECTIVES OF THE STUDY
3.
PROBLEMS, PROCESSES AND LITERATURE:
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AN OVERVIEW
Production and Occurrence of Transuranium Isotopes
3.2
Introduction of Radioactivity in Fallout
3.3
Chemical Properties of Plutonium and Americium in
Aqueous Environments
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12
3.3-1
12
General consideration
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Physical-chemical states and observations
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3.1
3.3-2
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16
3.4
Plutonium and Americium Distributions in Sofl and
Sediments
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19
3.5
Environmental Aspects of Bikini Atol?
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22
Geography and hydrology
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Lagoon sediments . 2... 1 eee ewe we ee wee
22
24
3.5-1
3.5-2
3.6
4.
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vii
Previous Radiological Surveys of Bikini and Eniwetok
Atoll] Sediments . 1... 6 1 se ee ee we ee we we een es
METHODS AND PROCEDURES
4.1
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33
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33
Total alpha measurements . 2. 1... 22 we ee wee
Sample dissolution . 2... 2. ee we eee eee
37
39
Collections and Preliminary Sample Treatment
4.1-1
4.1-2
4.2
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29
Procedures for Alpha Emitting Radionuclides
.......
4.2-1
Chemical procedures for ptutonium and
uranium
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4.2-2
4,2-3
4.2-4
4.2-5
Chemical procedure for isolating polonium-210
Instrumentation and calibrations ........-.
Quality control
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Computational methods
..... Pr
40