CONTENTS
ABSTRACT - ------------------- + --e ee eee eee
FOREWORD ------------- +22 e reer eee e eee
PREFACE- ----------- Meee ee ee eee eee eee eee
5
6
6
INTRODUCTION- -----------------+---- ere ere ere re tree ee
13
1.1 Objectives- ----~---------------- eee ee ee ee ee ee eee eee
1.2 Terminology ------------------+ +e - rrr re cre eee re re ee ee
13
13
CHAPTER 1
1.3 Background and Theory-------+----- +--+ --+--- eee eee ee ee eee
CHAPTER 2
13
PROCEDURE---------------+--------------+-+ +--+ eee eee 13
2.1 Target Ships ---------------------------- +--+ --- e+e eee
2.2 Instrumentation ------+--------+-+--+-- ---2---eee ee eee eee
2.2.1 Gamma-Intensity-Time Recorders (GITR’S)----------------~-----2.2.2 GITR Installations ---~----------------+---------+--+--+----2.2.3 Gamma-lIonization Decay Unit ---------------+---------------
15
15
15
16
16
2.2.5 Film Badges------------------------------ ee eee ee eee
2.3 Operations ----~------------------------ eee eee ee eee eee eee
2.4 Data Requirements---------------------------+-----+-------+--
17
17
18
2.2.4 GITR Calibration and Maintenance -----------+-+--+--+-+--+--+-----
2.4.1 Data Obtained by Project 2.1--------------------------------
2.4.2 Data Reduction ---~------+-----------+------++----++------- eee
2.4.3 Data from Other Projects --------~----------+----+--+----------
CHAPTER 3
17
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-------------------------+---------3.1.3 Film-Badge Data---~-----------------+--+-------------+----3.2 Remote-Source Gamma Radiation --------------------------------
26
26
27
28
29
3.3 Total Gamma Radiation in Adjacent Water --------------------------
29
CONCLUSIONS AND RECOMMENDATIONS - -------------------
78
3.4 Gamma-lonization Decay - -------------------------------------
CHAPTER 4
4.1 Conclusions- --------------------+------------ +--+ eee eee
4.1.1 Total Gamma Radiation Aboard Target Ships ----~-----------------
30
78
78
78
78
79
REFERENCES - ----------------- ---- eee eee eee ee ee ee ee ee ee eee
80
GITR INSTRUMENT -----------------------------------
82
APPENDIX A
~)
4.1.2 Remote-Source Gamma Radiation----------------------------4.1.3 Total Gamma Radiation in Adjacent Water ----------------------4.2 Recommendations- ---------------------+---------+--- eee eee