4
.
mew ew tend
er et
ce a
a cr
A
Meee ats wae tee el ie oe ees ow
-_
2 he wnole body dos2 of 25 rem referred to
above corresponds numerically to the once in a
lifetime accidental or emergency dose for radiation workers which, according to NCRP recommendations may be disregarded in the determination of
their radiation exposure status (see N8S Handbook
69
dated
June
5,
1959}.
However,
neither its
use
nor that of the 300 rem value for thyroid expvosure
as set forth in these site criteria guides are
intended to imply that these numbers constitute
accestable limits for emergency doses to the public
under accident
conditions.
Rather,
this
25 rem
wnole body value and tne 300 ram tayroid value
have Deen
£
ase guides
as reference
Values, wWnich can be usad
aration of
reactor
sit2s with
resvect
to potential
reactor
accisents of exceedincly low probasilize cf
occurrence, and low risk of sublic exrcosure to
Fish, et 21, made the following comments regarding the
applicability of tnese criteris to the case o
release.
slutonium
Tnese comments are also applicable to hot particle
First, tne wording of sactions 199.11 (a) (1)
Clearly liniis the acsslication to the irradiation oat
the wnoi2 oody and the tnvroid; no other organ or tissue
is manticonse< or implieé.
Furthermore, only fission
procucts in caneral anc iodine in particular are
identifi2d as reference substances.
Finally, footnote (2)
shites unecuivacally that one guides area not to be
considered 25 accestanl= Limits for emercsancy doses
to tne public under accidant conéitions. 32
Without aduriasing wheatrir the guicgelina values,
'
i)
w
'g
(u
HH
uw
yo
‘ap
rem to the whrie sedyv an2 3234 rem to the thyroid, sasulc