SampleNo,
dtodd
island
Rate
rr
1
Rongelap
Rongelap (central cistern)
8 Mar
300
.
3
Rongelap
village)
Rongelap (Nerthernazost
S8lar
450
.
4
Rongelap
5
6
Utirdile
Utirde
7
Rongerik
2
Rongelap
Rongelap (North part of
cistern)
8 Mar
400
6 Mar
220
Village
9 sar
Eniwetak (Distillation water) 10 Mar
40
240
Rongclap (Southernmost
clatern)
«
Utirik (elstern near church)
Utirik (cistern at south of
9 Nar
uO
In addition to tho above, a sample ef foilage was taken at the wind
ward side of Bilar Island,
at this point.
The radiation field ws 180 ar/hr on 9 “arch 195.
8. Recemmendat
ae
Tho mdtiological survey proved that a large yiold surface deto:.
tion cen produce extremely serious radiological contamination over ea distanc
more than 120 adles downwind and important contamination about 250 miles cc:.
wind.
b. The center of tho contamination pattern from the BRuL% Shot Lic.
semewhat north of Rengelap and Rongerik tells and probably not far fron a L
between Bikini and Bilar.
ce fAithough the fall-out wis serious on Rongelap Island located at
the extrome southeast tip of the atoll, the contamination was about ton tim:
greeter at tho north side of the atoll, twonty ailes amy,
d, The combamination decroseed by a factor of about eight over the
downwind distance of SO milcs betweon Rongolap and Rongerik,
@. Standard ailitary field housing provides a sigificant cegrea co
protection to personnel inside.
f.
The AN/POR]39 proved to be a vory sntisfactory instrumnt for
field gurvay work under rigorous environmental conditions.
G- A single DOE with txo (2) whalo boats is not a completely sati_-
factory method of conducting a broad mdiological survey of the type jut
ed, Future surveys should consider using vessels capable of ortering
more of tho atolls and of handling a helicopter and several small bocts.
Rad. Survey Rongelap
eae
° 1.
2.
3,
4,
5.
Rad,
Rad.
Rad.
Rad.
Survey
Survey
Survey
Survey
Utirik
Bikar
Rongerik
Ailinginae
6& Summary of Rad. Survey
6
er
Scoville
/s/ Herbert
r
DR. HERBERT SCOVILLE
Teehnical Director
AFSTP