CONTENTS
ABSTRACT ------------ 2-7 -- 2 eee nee eee eee
FOREWORD -----------------+- 22-2 eee nee
PREFACE- --- ------ 3-2-2 ee ene en nee ee eee eee
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CHAPTER 1
srojects:
5
6
6
INTRODUCTION- - --~-------+--- 22-20 - errr crc eter erro 18
1.1 Objectives- ------------ ++ 2-2 reer ee rn ent entree 13
1.2 Terminology ---------------- 2-2 ce ee err ee ee ee er eee
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1.3 Background and Theory- - -----------------7--2 23 errr errr ree 13
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CHAPTER 2 PROCEDURE- -~~------ +253 r err rrr rrr tr tert eee 15
2.1 Target Ships -------~-----+---- +--+ er errr rere re rr rere 15
2.2 Instrumentation - ----~-----------+-- 5 re err etter eee ere ee 15
2.2.1 Gamma-Intensity-Time Recorders (GITR’s)----------------------
15
2.2.4 GITR Calibration and Maintenance ~~---~-------+---------------
17
2.2.2 GITR Installations - ---~------------- 50-22 renner rrr rere ee 16
2.2.3 Gamma-Ionization Decay Unit ------------+----+---------- ree 16
2.2.5 Film Badges - ---~---------- 5-0-2 renner terre errr tree
2.3 Operations ---------- 5-50 enn reer rrr rte ee tr re reese
2.4 Data Requirements - ~- ----~----------- 20 ror reer ern rere tree
2.4.1 Data Obtained by Project 2.1 ---------------- 2-20 rrr ere rere ee
2.4.2 Data Reduction ----~------------- 2-2-2 rere rere ree etree
2.4.3 Data from Other Projects --------~--------------+-+---- ree ee
CHAPTER 3
17
17
18
18
18
19
RESULTS AND DISCUSSION - ---------~----+-----------+---- 26
3.1 Total Doses and Dose Rates Aboard Target Ships- -----~~--------------
3.1.1 Weather-Deck GITR Data -------~-----------+~+--------------3.1.2 Compartment GITR Data --------~------------------ ++ errr
3.1.3 Film-Badge Data----------------------+-----------------3.2 Remote-Source Gamma Radiation - ------------------------------3.3 Total Gamma Radiation in Adjacent Water --------------------------
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26
27
28
29
29
3.4 Gamma-lonization Decay - ------------------+---+--------------- 30
CHAPTER 4 CONCLUSIONS AND RECOMMENDATIONS -----~------~-------- 78
4.1 Conclusions- -~---------------------------------+----------- 78
4.1.1 Total Gamma Radiation Aboard Target Ships --~----------~-------- 78
4.1.2 Remote-Source Gamma Radiation- ---------------------------- 78
4.1.3 Total Gamma Radiation in Adjacent Water --------~------------+---
78
4.2 Recommendations- ~------------~---------+--~---------+----------- 79
REFERENCES- -~ -- -- -------- 7 +2 ee ree eee ree eee eee eee 80
APPENDIX A GITR INSTRUMENT --------------------------+-------- 82