gee
Fen
fr.
activity on any teland is ‘about a factor of 10‘higher than’:
Rongelap.,Bo
ys
mo,
mo
oo
ey
Oe,
. yoo
Ce ts
.
-
4
-
~
7
.
‘
.
fom
v
on
on
10. The Rongelapese go on fishing expédi tLoris to ottier ©
islands, including those showing both higher and lower setter
.
Vowden
However, these’ Rongelapese spend an “appreciable part’ of, thett ihe oe
time in “boats over water where | the external gamma’ activity, is oF co
near. background values.
“Thus , the yearly average. for“these”
os
probably would nos’ differ greatly from those on Rongelap Island, “2,
x
Se
my
vee
a
@
of the Rongeldpeseare contained in theTable one. attached28"
Annex-tat‘to “appendix "an ‘There’are Wide vaviences’ in, the. \.fe
data 80, that estimated average values are used. | ‘Phis is ‘not™aned ty
~
eee oe es.
unreasonable approach since ab’‘would be expectedthat ‘the Pood :
“oe
~
actually consumed would be about as variable as. the individiad ~ aa
analyses. wha
sanples collected for
ron ns
4A
strontium-90. For an adult worker the’‘maintained‘maximum
“ya fon
12. The isotope of principal concern in the food chain is”
permissible body burden is 1000 Sunshine Units '(1000° micromtero-” “Ny
curies of sr90 per gram of calcium).
Values for_ maximum pers.
missible exposures to the general population are i/o that for”
adult workers, or 100 Sunshine Units, maintained level in the
, body.
The National Academy of Sciences report stated nae There
Seems no reason to hesitate to allow a universal human strontium--
burden of 1/10 of the permissible---"
corresponds
for adult workers.
This
to the 100 Sunshine Units.
*
13. Table One indicates that the average concentration of,
strontiim-90, in ‘the total, food supply might be less, ‘than "360%
-
ttn
te ie, 3k
Sunshine atte.“(the‘data on “land crabs shown in’ Table One are
-8rt
|
~
.
J
“Appendix, “A”
.
cata grr
5 OCs