Table 41

Mean Cesium-137 Levels Obtained by Whole-Body Counting, 1974
Male
~

No.

Bikini
Utirik

nCi

8
9

Rongelap

128
262

22

BNL med. team

475

4

Female
nCi/kg body wt.

No.

nCi

1.84 (0.43-5.11)
4.05 (2.64-6.84)

13
13

73
133

7.76 (4.37-16.3)

2.93

24

0.0352 (0.0134-0.0791)

nCi/kg body wt.

1.13 (0.22-3.26)
2.13 (0.96-3.85)

304

5.13 (2.71-13.46)

Table 42
Dose to Bone Marrow ( Data in mrad/year)
1958

1974

Rongelap

Rongelap

Utirik

Bikini

5
6

Internal

Sr
137Cs

Natural (49K,etc.)

il
120*

8
60

6
31

44

44

175

112

81

65

44

Total

44

External

Residual gamma(in village areas)

250

Natural (cusmicetc.)

Total
Combined total

134**

39

15

39

7

65

384

34

46

104

359

166

127

169

39

*137Cs + 85Zn.

**High value due to increased cosmic-ray dose from above-average sunspot activity. The year 1958 was the time of peak
radioactivity at Rongelap.

1

]

t

1

06h

1

0.3

Qt

a

I

T

aD

qT

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1

-

g

~

0.5

.

Ti

‘

«5Zn

E ]

\

10k ©

:

le

\

=

Utirik
“pee

\\

!

'

1957

_

\

|

1959

7

Bikini , 4

\

’

1961

oe—

1963

!

Medical ‘eam

£967

1965

1971

a

1974

1969

Figure 56. Body burdens of gammaemitters, obtained by
whole-body gamma spectroscopy (0, '7Cs; @, ®5Zn).

T

T

“7

5 . 3 |
\

*

'

t

'{

;

a

1954

1/7

t

8

\
‘1

r

i|

\

'

;
4 \

NAY

'

fk

Bone

Yo

1959

1957

|
-'

‘

i

i

&
cS
4

Oo

iN

/

:

S

}

Bone,*., wea

I

E

‘\85Zn Rongelap

1

l

2

“~~

\

02 - a !

1954

mS

T

!|
1

"

=|

0.1 F-

T

*

oliCs

oy Ay

UIT &
Sto

0.4

L.

T

i.
~. Rongelap
yj 7s137TCs
We
Y
~._ Pop

i

l

1961

1965

L

1967

a

an :

1971

‘

!
‘

s

]

Bikini o

|

Utirik a

;

1
1974

1969

Figure 57. Body burdensof strontium-90, obtained
by radiochemical analysis of urine.

Select target paragraph3