Ta0le@ w.

wee eeUR,

99%: and -**am a Surface So1l Sampies 7 Co.lected at 3ik:an Acoil in 977,
acetnvistias

in wCivzg= 1,

ieat.20
Taiel?, luroxaen
Tgi*i0, JomoatomucoKy
231+29, JonecaeratucoKu

2295-7 5,,
oe
woek TLS
22.2 27.3

“78>,
3.5 Shee
7.7 =).3
1.7 s).2

Zors Jeacororrturu, iai-3l

36, -2.3

7.2 0.3

wd. thei

24.2 ~).2

JO.29e9.32

14.9+

22.9 ~).7

Pijonsa Grave

lew s:anter 92 i3lane

Yam, ‘sese¢ and = 150 vds

Nam, .50 vas iW sc Sunxer
220 ’ds 2 38 west cx

amu, op of sumser cancer
Jf .4.and
Nam, 159 vas = of dunker,
cantar of alana

2ikin:, Row 14 center 3L co
23st JUN

aikini, J corner of cer. 3L
anc Lagoon Jeach id.

mare
aeD DS
4.3 m).ac
7.9 29,29

777 2405,,,2785,,
-.46
3.37
3.31
2.05

727-999, 94h.5
4.33
3.31
3.27
2.75

teed ie

33.4

33.7

..9d

2.3520.9%

13.2 9.35

73.9

1.357

7,4 -.5

2,573.02

39.9 23.5

20.5

L.aa

J.3 -).°

9.45=).74

2.2 +9.3

29... =).3

3.41370.36

teeeri.de

N.a.*

23720. 22

4a

7,33

1.50

--

4.04

3ixiai, Row 34 cancer 3L co

3.9 =O.2

9.0670. 34

2.1 -0.2

50.3

1.42

3i*in2.. Row 38 2nd 3LN to

2.5 *0.2

9.5740.24

3.2 9.2

35.7

2.98

3ixia., ow 25 or 24 sand-

0.50+0.95

N.3.

--

-

--

10.3 9.946

T.2.

1.3 ~1.3

--

3.27

13.2 -3.3

Noa.

3.4 29.55

7

1.38

~3at 38

Leagcod Jeacn Ad.

pila samole, 100 yds §
ae wad 3LN

3ixiar, Row 14 cer 3L to
wae 305
3ik:a:, Zow 24 cer 3L- co
vse LS

3ikini, ow 24, ist 3LN =o

9.3 0.4

3.2940.97

+.. O.2

23.3

2.27

Bikini. Row 24, ise 3L5 to
zac 2L5
3ixini, Row 24, lst 3LN so
ena 344
Zaeman, ‘Wend of tsland
$00-720 aR/hr area
Zneman, 500-700 aa/hr area

614.6 =).4

3.9940.02

3.3 =0.4

i23.9

2..9

7,4 0.2

3.2927.93

3.5 0.3

39.9

2.23

209.2 +9.)

97.5 —~.3

26.0 =1.5

2.16

3.57

360.3 ~3.9

174.3 =2.3

45,0 +1.9

2.97

9.35

2%

Lagcon Jeach Ad,

‘See ter. 29.

as

*

Sing.e samole error values are one-sigma, provagated, counting ertors.
.9.2.
Noe resolved Sy alpha speceroscooyv.
=
N.3.
Noe significanc.

As a resuic, some of che diecary icems Likely <5 nave che nigner tadionuclides courent, 4.3. 2andanus
and Sreaqfruic, are ace actual problems co dace. They aay of amy not 38 of concern ia che future as -he
aiame:sgs aacure and che cmuic Decomes available in tuanmtity. Thus, che dliecs of secpie Living in =hese
“wo atolls are expecced co change over che coming vears reflecting the reiative influences of imported
and Locally grown Zsod items. allowance has Seen nade for chis in development of radiacion dose
estimacas.
ixperimeacal studies ac Znewetax asy yield techniques co incerfupe or break the recyeling
Qc radionuclides through the vegetation, soil, and ground vacer systems, aad cheresy reduce she radic~
activicy concenc of some taporcant diecary icems. <All of che aforemencioned Zactors will secessicate
contisuisg monitoring of che diet for many years.
2eriodic sampling and analysis of 3011 and ground
‘wacer vi.l Se aecessary in order to establish srends in che changes of radicaccivicy comtenc of chese
media.
+a the sorthern Marshalls, drinking wacer is obcainzed primarily from tain vwacer cacchmencs. While che
radionuclide contene of callected rain vater vill soe be zero, this source {3 noc expected to contribute
signizicamely to the radiation exposure sicrure for ‘ucure 3ikisi, Inewecak, and Rongelap Acoll residencs.
deowever, vain water which drains ‘rom che windward sida of Suilding rooftops may srovide useful daca on
fesusvension of radioactivity in the soil. The collection of rain water oy Tucure 3ikint md inewecak
Tesidencs is being factlicaced Sy including gueters and vater storage tacks in plans for houses and
communs:cy seructures,
Some of che Larger islands have ‘resh ground vacer ‘ocaced only a few ceec >elow
the surtace.
Analysis of chis vater for ics radionuclide contene has 3een Limited to dare and che
Gapacity af this cesource = serve che needs of ‘sland restdeacs
is ace well defined,
More seudy of
rais wacer is Seing supported Sy ZADA.
Personnel Mon:soring
Dose sredictions for 3ikiat and Znewetak Acoll residencs dertved irom environmental data Save Seen
deliberately conservative, and ascadlisn srooanle upper Limits om <oses co 5e axzpected for individuals.

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