1984 BIOASSAY SUMMARY

Whole-body counting was performed at Rongelap, Utirik and Enewetak
Islands during June 1984.

Urine samples were collected for Pu analysis which

will be performed at Brookhaven National Laboratory at a later date.

The

field whole-body counting units were calibrated with phantoms which

+

represented adults, teenagers and children. Quality control measurements were
made before, during and after the mission.

Historic Results

The history of whole-body counting for 137¢, at Rongelap is given as
Figure 1.

The plot is for adults.

Besides 137og, other radionuclides vere

present in persons who returned to Rongelap and these historic results are
recorded in Table l.

RONGELAP

35000}

t #! STANDARD

< soco0}
=

© 28000
==

® 20000+

8a

5

|.

1S000

DEVIATION

.

1946
—

+B!

“E +1 STANDARD

=

ERROR

4676
5
a
4541

|

7

3270 $
3

$000)

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a
-

°
:

2

:

go

°
i

:

L

£

#

Ih

{
4135

i"

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L

i000 2095 3000 4COO $000 6OC0 7000 BO0D 9000 10000
TIME PAST REHABITATION, doys

gure l.

5O0lbIt

5e

74S ».

: wosu
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o

3

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Cs Body-Burden History for Adults

.

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