°

Table 5

26

2x 10°

606,

27

6x 102

6574

30

1x 10?

90¢_

3x 10°

1376,

2x 10°

38

55

cael
la

i

55 ie

bi

mRem y~! ycim!

Ee il tenress,

x

te

Total Body Equilibrium Dose Equivalent Rate
per Unit Body Burden
q,

yee

eo)

SPP

equivalent rate for each dosimetrically sjgnificant internally deposited uuclide.

For the average Rongelap adult, the residence interval begins Juic 1,

1957; however, many adults were reported to have resettled during the ne.! 3 to

6 months (Co80b).

The composite dose equivalent rate indicated that a bicd

maximum of approximately several hundred millirem per year persisted for several hundred days.

Most of the dose rate is attributable to the L376, compons-ut Ce-

sium dominated over the entire past return period and would be of prime cicern

Mey 2 we Sdn he Ya
i
. se thE:=See:
at bnew dee eS LaeMee cae
AE

eit

Figure 15 illustrates the relative contribution to the composite dose

type initiating event.

Figure 16 illustrates two possibilities for the Utirik dose equivai-ut
rate resulting from the 6575 body burden history during the first three ; ars
post-return.

The higher body burden resulted from use of the two measur:

31

ow

emer et

n

egy cae

.7

ee

+

4m

37a

TeOs ak

for populations returning to a contaminated environment years after a Cin:ion

Select target paragraph3