2.11 Probe contamination for Shot Fiathcad surveys --------------+------- 50
2.12 Probe contamination for Shot Navajo surveys--------+----------------- 51
2.13 Probe contamination for Shot Tewa Surveys------------+------------- 52
2.14 Shot Tewa penetration meter readings, log scale,
time in minutes ----------+--+--+------------ +--+ +--+ ee 53
2.15 Shot Tewa penctration meter readings, linear scale,
time in hours- ---------------+------++----+---+-+----+------+--- 54
2.16 Comparison of dose rate and temperature versus
depth, Shot Zuni- -------------------------- 2-4 eee eee 55
2.17 Probe measurenients of fallout penetration depth,
Shot
2.18 Probe
Shot
2.19 Probe
Shot
2.20 Probe
Shot
2.21
Zuni --------+<-------- +--+ - e+ -- -e ee ee e - ----e
measurements of fallout penetration depth,
Flathead- ---------+----------+---+-+-+-+-+-----.------+-+-----measurements of fallout penetration depth,
Navajo -------+--------+-------2----- eee ee ee ee ee eee
measurements of fallout penetration depth,
Tewa- -------------------- ee ee ee ee ee ee ee ee ee ee eee
56
Estimated fallout time of arrival for Shot Zuni- ----------------------
60
57
58
59
2.22 Estimated fallout time of arrival for Shot Flathead------------.-------- 61
2.23 Estimated fallout time of arrival for Shot Navajo --------------------- 62
2.24
Estimated fallout time of arrival for Shot Tewa -------+------.-------
63
2.25 Deduced streamlines of ocean currents, Shot Zuni -------------------- 64
2.26 Deduced streamlines of ocean currents, Shot Flathead ----------------- 65
2.27
2.28
2.29
2.30
2.31
2.32
Deduced streamlines of ocean currents, Shot Navajo------------------Deduced streamlines of ocean currents, Shot Tewa-------------------Corrected tracks of survey ships, Shot Zuni ------------------+-----Corrected tracks of survey ships, Shot Flathead --------------------Corrected tracks of survey chips, Shot Navajo- -------------+--+-----Corrected tracks of survey ships, Shot Tewa------------------+-----
2.35
Factor for determining accumulated dose (time of arrival
66
67
68
69
70
71
2.33 Exponent of decay as measured in decay tank of M/V Horizon------------- 72
2.34 Decay correction factorc for correcting dose rate values
from time of measurement to H+1 hour-------------------------- 73
to H+50) from dose rate at H+1-------------+-+-----+------+---- 74
2.36 H+1 isodose rate contours for Shot Zuni- -------------------------- 15
2.37 Accumulated dose (time of arrival to H+50), Shot Zuni----------------- 76
2.38 H+1 isodose rate contours for Shot Flathead ---------------------+-- 77
2.39 Accumulated dose (time of arrival to H+50), Shot Flathead -------------- 78
2.40 Oceanic radioactivity background at Navajo shot time ------------------ 79
2.41 H+1 isodose rate contours for Shot Navajo ----------+-+-------------- 30
2.42 Accumulated dose (time of arrival to H+50), Shot Navajo --------------- 81
2.43 H+1 isodose rate contours for Shot Tewa - ------------------------- 82
2.44 Accumulated dose (time of arrival to H+50), Shot Tewa ---------------- 83
2.45 Areas of dose rate contours for Redwing shots normalized
to 5 Mt 100 percent fission---~------------+--+---------- ees 2----
84
3.1 Area of contamination resulting from Shot Zuni, May 29, 1956.
Summary of surface measurements made between 0600 and 1800 hours - - - -3.2 Area of contamination resulting from Shot Flathead,
89
June 12, 1956 (D day) --------------- +--+ ee eee ee ee ee eee 90
3.3 Observed surface and 30-meter dose-rate contours on
Shot Flathead plus 7 days- --------------------------- 2 ------- 91
3.4 Observed surface radioactivity (mr/he) at 11 days after Shot Flathead----~---- 92
3.5 Area of contamination resulting from Shot Dakota; June 26, 1956 (D day)------ 93
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