MEMORANDUM FOR:
SUBJECT:
160 March 1954
CJT? SEVEN
Repert on “Soil and Yator Sampling Mission
1.
In compliance with your oral instructions, the undersigned visited "ket j:
2.
Tho first four atolls word visitod by Marshallese intorpretcr Taimshi
Erikub, Maleolap, Wothe, Majure atolls in tho Marshall Islands 5 through 7 Harch
1954 for the purpose of obtaining carth and drinicing matcr sanplos, and of masu
ing gamma cay doso ratcs, and alse checked tho radiological condition of the S.S.
ROQUE on its arrival at Majure 7 March 1954,
“ and the writer by msans of an UFel amphibleus aircraft. Majure mas rcachcd by
C=u7. Erikub might hawo beon omitted since it was not inhabited, boing property
of tho Wotjo tribe which geos thoro only cecasionally to gather copra.
unknown until aftor the visit. )
3.
(This wm:
At cach atoll, aly tho principal inhabitod ialand was visited,
at cact
visited island an offort was mado to composo a representative seil avcrago by
collecting into ea singlc sontainor sovcral sanplcs, cach appracimtcly amc squer
foot of arca and eno inch depth. Water samplos wore colloctod from the principe
sources currently in uso.
ACES,
Ths gamma doeo ratcs aro avoragos for the inhabited
be With rogard to cortain miner discropancios betwoon the survey acthods u
by Major R. D. Crea and the writor; it was originally plannd te scrform th sur
jointly, and whon it bocams advisable to scpnrate and survoy difforent atolls, r
timc remained for discussion of dctails of tochniques.
5.
Gammeray dose rates on Yotjo and on Erilmb aro cach the average of MX
and AN/POR=39 avorage readings which agreed roasenably woll,
Tho MX-5 ms rendc
inoperative whan the rubbor lifo raft was swaapod by surf on the first attcapt +
launch from the bosch at Erilab. Following tho Netho mrvey, the POR-39 develop
a tomporaturo=dopandert, roading of 0.4 < 2 or/hr, so that lator readings in this
range arc of very dubious reliability,
6. Tho following tabulation summarises tho atoll surwy.
Wator Samplo:s
$ is Soil, W is
Olde
Is RATT
SAMI SLD
WOTUE
ORMED
$$
3-5 apfnn, l-boach, Janidevil
Lo)
4 woll plus 4 catch basin.
ERISUB
SS Mars
1400
36
1715
ago, leback village.
1.5 orfhr.
leaidevillage, 2
om path te beach.
No inrabi
ants, no wator supply found.
pd -
x
ERIXUB
S Mar