RMI Nuclear Justice Documents

CONTENTS
FOREWORD ----------------------- 2-2 ene eee ee eee eee ee eee 4
ABSTRACT - ------------------- ee eee ee ee ee er eee ee eee ee ee eee

5

PREFACE------------ 2 eee ee ee ee ee ee ee ee ee ee eee ee ee ee eee

6

CHAPTER 1 INTRODUCTION-- -----------------------------woceceeee 11
1.1 Objectives- -----------------+-------+------- ++ ee ee ee ee eee 11

1.2 Background -----------+-----+-------+-------- ee eee ee eee ee tl

1.3 Theory------------+------------ +--+ --- ee ee ee ee ee eee 12
1.3.1 Fallout Contamination of a Water Volume--------------~--------- 12
1.3.2 Fallout Contamination of a Land Surface ------------------------ 13

1.3.3 Radioactive Decay --~------------+----------- ee eee eee eee 14

1.3.4 Distribution of Fallout -----------------------------------+- 15
CHAPTER 2

PROCEDURE------------------------ ee eee eee eee eee eee 16

2.1 Shot Participation- --------------------------------------+---2.2 Operations ----------------------------------------------2.2.1 Aerial Surveys -----~--------------+---- eee eee ee ee ee eee
2.2.2 Altitude Absorption -----------------------+--------+-------2.3 Instrumentation ----------------+-------+------- ee eee ee eee
2.3.1 Aerial Survey --~---------------------------- ee ee ee ee
2.3.2 Altitude Absorption -------------------------------------+2.4 Required Data ---------+------------------------------- eee

16
uw
16
19
19
19
20
20

2.4.1 Distribution of Contamination in the Sea ------------------------ 23

2.4.2 Altitude Absorption --------------------------+--+------+---- 23
2.4.3 Stability of Contaminated Area------------------------------- 23

CHAPTER 3 RESULTS ---------------------+------------- +e ee - eee 24
3.1 Instrumentation Performance ------------------------+----------$.1.1 Aerial Surveys ----~-------------------------- ee e ee
3.1.2 Altitude Absorption ---------+--------------+------ +--+ eee
3.2 Altitude Absorption Measurements -----~----~---+---+--+-------+---3.3 Distribution of Fallout- ----------------------------------+---3.3.1 Shot Cherokee-----------------------+---+-- +--+ --- - e e eee

24
94
24
25
28
29

8.3.2 Shot Zuni ------------------ eee ee ee ee ee ee ee ee ee ee eee 28

3.3.3 Shot Flathead ------------------------------------------ 31

3.3.4 Shot Mohawk -------------------------------+---+----+- eee 35
3.3.5 Shot Navajo ------~-------+---------+------------- eee 35
3.3.6 Shot Tewa---------+----- ere rere ere re re re tere 45

3.4 Samples of Contaminated Sea Water-----------+--------+-------+---- 45
3.4.1 Gamma Radiation as a Function of Beta Activity ---------------+---- 45

3.4.2 Depth of Mixing - === +0200 2020 reso ern ec e essen oe Sage aBCHIVES

CHAPTER 4 DISCUSSION ------------------------------------eee 55
1

v\

4.1 Operational Performance ----------------------------+---+------ 55