CONTENTS
ABSTRACT- - ---~----------------------- 22-7 - 5+ -----------
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PREFACE -----~---- rrr nr rrr rrr rss
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FOREWORD ------~-- srr rr rr rrr rrr rrr ree
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CHAPTER 1
INTRODUCTION ~----------- -- 7-37 r enn re rr rrr ern
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1.1 Objectives ~------------ oe rrr rrr rrr rae 15
1.2 Background ~----------- 3-2-0 tr rrr reece
CHAPTER 2
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DESIGN OF THE FIELD EXPERIMENT ----~--------------
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2.1 Radiation Measurements --~-~------~-------- Re ree ee ee ee nee
2.1.1 Instrumentation -------------~ --- tre ne er een re nee
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2.1.2 Calibration of Instruments ~------~--~---------- eo ree rn
2.1.8 Measurements Made --~------~ errr rr ere rt re rere
2.2 Water Sampling ----------- eo re
rr
rer rene
2.2.1 Sampling Devices-~--------~--~-------- ne ee tr cnr
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2.2.2 Samples Collected ---------------- nnn nr eer rn rn 22
2.3 Supplementary Oceanographic Measurements ~------------------2.4 Plankton Sampling ----------- wrt cer er em er serene
CHAPTER 3
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RESULTS OF SURFACE AND SUBSURFACE
SURVEY BY RADIATION DETECTING
INSTRUMENTS --- 2-9 ene ee me re re er eee
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3.1 Problems Involved in Computing a Synoptic Fallout Picture ------~---3.2 Raw Measurements of Surface Gamma Intensity-------------------+
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8.3 Reduction of Readings to Roentgens Per Hourin Situ--~---------~---3.3.1 Correction for Instrument Contamination -------------------3.3.2 Running Plot of Relative Gamma Intensity In Situ---------------
3.3.3 Computation of Absolute Magnitude of In Situ Intensity --------~-+-
3.4 Computation of Synoptic Picture - ----~------ 2-6 rr me mre eee
3.4.1 Vertical Extent of Activity--~-----~----------------- oe
3.4.2 Conclusions Regarding Penetration Progress -----------------
3.4.3 Computations of Total Local Fallout ----------------------3.4.4 Estimate of Radioactive Decay ---~---------- reno nnn nen
3.4.5 Local Dose at 3 Feet Elevation at the Synoptic
Time H + 12 Hours----------~------------a meen eee
3.4.6 Local Dose at 3 Feet Elevation at the Synoptic
Time H +1 Hour -----------~--------- 24-2
3.4.7 Effect of Time of Arrival and of Ocean Currents
on Synoptic Presentation —--- ---~--~------3--- er rere
3.4.8 Plotting Fallout Contours of Iso-Dose-Rate -~----------~-----3.4.9 Plotting Fallout Contours of Total Dose -~------------------i1
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