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4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
5.1
Location of instruments on deep-moored skiffs -------.-.---~------2.- 103
Allowable depth of mooring versus ultimate tensile strength of wire --------- 104
Graphical construction of deep mooring configuration - ------------------ 105
Skiff distribution for Shot Cherokee ~- ---------------.----.--------- 108
Skiff distribution and fallout contamination for Shot Zuni----------------Skiff distribution and fallout contamination for Shot Flathead -------------Skiff distribution and fallout contamination for Shot Navajo --------------Skiff distribution and fallout contamination for Shot Tewa ---------------Gamma background aboard M/V Horizon at Parry Island
107
108
109
110
after Shot Dakota ----------------------+--------------+---- 122
5.2 Decay curves for Shot Dakota air samples ----------------+-+------+--- 123
5.3 Decay curves of particulate matter filtered from air following
Shot Tewa. (The decay curves of the feathers of a bird
singed by the shot are also given) ------------------------------ 124
5.4 Vertical distribution of radioactivity following Shot Flathead -------------- 125
5.5 Distribution of plankton radioactivity across Equatorial Pacific ------------ 126
5.6 Gamma energy spectrum of particulate matter and soluble
fraction of Shot Tewa surface water- -----~+------------------+---- 127
5.7 Gamma energy Spectrum of upper surface of pelagic sediment
collected 4 September 1956, 1,190 fathoms, 11°44’ N 166°13.5’ E,
and analyzed 6 March 1957-------------------------+---------- 128
5.8 Gamma energy spectrum of 150 gm octopus from Bikini Lagoon
collected 26 May 1956 and counted 23 April 1958 -----------------+--- 129
5.9 Gammaenergy spectrum of fish larvae from Bikini Lagoon
following Shot Cherokee collected 26 May 1956 and counted
10 May 1958 with 3-inch sodium iodide detector------~-------------- 130
5.10 Gamma energy spectrum Shot Zuni plankton sample 13-1
collected and counted 7 June 1956; 2¥,-inch sodium iodide
well counter with 2-in lead shield --------------------+---------- 131
5.11 Gamma energy spectrum of Shot Zuni plankton sample Z-13-1
collected 11°27’ N 164°33’E on 7 June 1956 and analyzed with
3-inch sodium iodide detector on 30 September 1957------------------ 132
A.l Co® calibration of probe (Unit “O”). Source at right angles to
probe axiS~- +--+ +--+ ++ -- 2+ -- 22-5 ee ee eee re ee ee ee ee ee ee ee 143
A.2
A.3
A.4
A.5
A.6
A.7
Variation of probe response with photon energy for 90-deg incidence -------- 144
Probe response variation with angle of incidence- ------------------+-+-- 145
Variation in probe response to 4-7 radiation ---------=--+--+--------+-- 146
Calibration procedure defining mr/hr#, a, aj, and b; wee te en ee ee re eee 147
Summary of calibration- ----------------------2-- 2-2-2 +--+ -- ee 147
Relationship between 3-foot dose rate and apparent dose rate
.
in water, as a function of average photon energy ----------~--------- 148
A.8 Plot of average photon energy versus time for Operation Redwing
fallout spectra - ----------------- e-em er re eer er re rer eee 149
B.1 Skiff-retrieving ramp ----------- +--+ --- eee eer ee et ence 154
B.2 Profile of deep mooring ----------------- 7-2 ee ee creer rer eres 155
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