TABLE 2,1 - bredicted Downwind Contamination Levels for Shots 1,2, and 5
after Detonation
(r/hr at times indicated)
a
Shot
10nmi
5 n mi
2 hr
[i15nm
20nmi
30 nmi
25 nmi
[3 hr|2 hr|3 arf2 hr|3 nel2 hr|3 hr/2 hr[> hr[2 brid hr
1
(based on
6 MT
yield)
10,000} 5000
5000 [4000 3000 3000 1200 2000}
800/1500
oO
800
3000 {2500} 1300 1500]
200]
400
oO}
2¢0
6000 500014000] 4000} 2000 [2000/2000] 2000
O
11000
2
(based on
*
3 MT
yield)
~
-
7000! 4000
70071100}
5
(based on
S.5 NT
yie.)
12,000] 7000
sea phase required employment cf sea-going ves:els under the Navel Task
Group Command,
Zeletei
Land Stations
At Bikini, the islands of Able, Fox, How, Love, han, coc,
.
SO
:
Uncle, William, Yoke, and debra, were used for sempling and obtaining
gamma field moasurements, Stations consisted of concrete emplacements
with instruments Installed in and ubout them.
At Enivetok, the islands of Irene, Bruce, Yvonne, Wilma, Leroy,
Alice, Janet, and hancy were used for sampling end for obtuining gumm
field measurements, where poscsibie, st-tion emplecements reraining fren
IVY rallout sampling were utilized; otherwise inctriments were pleced in
a
-
ne open and suitable tie-down errangerents improvised.
Stations were estublished on the following outlying islands:
Rongerik, Kusaie, Majuro, Ponape, wake, Guam, Kwajalein, and Johnson,
Relevek
ny
a
~.
Lagoon Stations
Rectangular-grid arrays of stations were cstablished for
lagoons of both test atolls, as shown in Figs. 2.2 and 243.
These ccn-
sisted of anchored buoys to which rafts were attached (see Fig. 2.4).
Zeleced
Sea Stutions
eee
vampling in the open ocean was accomplished by means of free-
.
:
floatinz buoys to which, in some casec, rifts were attached.
Flans were
made to provide the complete coverage indicated by Fig. 2.1 for one land
24
Eee