Pera Sls Soe
Radio Station
290
Weather Station (N end of island) 280
Proj 6.6.Station (S end of island) 240
110
--
In order to estimate the rate of decay between 8 and 11 March, the folloving radiation measurements were taken on three days on Rongelap Island:
8 March
13 March
Central living area (village)
280 or/nr
176 or/nr
Ground (contact) cistern arca
220 or/hr
110 or/hy
Southern most cistern
Roof of cistern (Southern most)
220 mr
240 mr/hr
145 or/hr
W40 or/hr
An area was selected 30 yards inland from tho Rongelap cemetery as a mr
ing point for future decay measurements, This arca is outlined with 2X48 pl...
on pails, The waist height reading was 210 mr/hr at 1000 hours, 12 March 1954,
7-
Sample collections
Water samples were collected from the witcr supplics of all inhabited
areas, About two quarts of watcr wore transfcrred to a polycthlcnce bottle at
each site, These will be turned over to the New York Oporations Offico, AEC f-
analysis,
Soil samples were collected at all inhabitcd arcas and also at sovera:
uninhabited islands,
In collceting the soil samplcs a one foot by one foot
square was marksdon the ground and soil to about one inch of depth was removed
from the square and transferred to a cardboard containcr.,
The primary samples
will bo turned over to the New York Operation Office, ASC, for analysis, and
some smaller samples will bo analyzed by Program 2 of TU 13.
Listed in Table 3 are the samples taken with the doso ratc measured ..
at waist height at the location where thoy were talon,
TABLE
Sample No.
CCPIED/DOF
LANL RC
—- SOIL
Atoll
island
it
2
3
Rangelap
Rongclap
Rongelap
8 Mar
6& Mar
ALO
280
4
Rongelap
Rongelap (North end)
Rongelap (Center of village)
Rongelap (1 mile north of
village)
Rongelap (near South cistern
8 Mar
34,0
5*
G®
Te
RongeLap
Rangelap
Rongelap
Eriirippu
Eniaetok
Kabelle
8 Mar
8 Har
6 Mar
2200
900
2000
Ailinginae
Sifo
10 Moar
100
Be
9
10
ui*
Utirik
Bikar
Rongerik
, Date
of village)
Utirik
Bikar
Fniwetak
.
8 lar
9 Mar
9 Mer
10 Tar
Lr
220
L0
160
280
/Hr