Tabie 5
Total Body Equilibrium Dose Equivalent Rate

per Unit Body Burden

x

T;

mRem y~! uci-!

>> Fe

2.x 10°

26

60cq
27

a

6 x 10?

,

lx 10?

A

650,

30

90,

3 x 102

1376,

2x 102

38

i

|

3

4

.

|

|
|

7

so

ne

;

equivalent rate for each dosimetrically s}gnificant internally deposited nuclide.

For the average Rongelap adult, the residence interval begins June |,

Lape

Figure 15 illustrates the relative contribution to the composite dose

Te a*
Ste

4

-

55

"

if

a
of

ie

8

6 months (Co8)b).

os

—

The composite dose equivalent rate indicated that a bioad

2B Bee

1957; however, many adults were reported to have resettled during the next 3 ta

ae

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

Most of the dose rate is attributable to the 1376, component Ce-

us

sium dominated over the entire post return period and would be of prime concern

for populations returning ¢o a contaminated environment years after a finsion

-

type initiating event.

ou

Figure 16 illustrates two possibilities for the Utirik dose equivalent
rate resulting from the 6570 body burden history during the first three years
post-return.

The higher body burden resulted from use of the two measur: c:! 0504

31

val

ro

a

AMT ped '

Select target paragraph3