2 rhe whole boiy dose of 25 rem referred to
above corrzsronds numerically
to the once in a
lifetime accidental or emergency dose for radiation_workers which, according to NCRP recommendations may be Gisregarded in the determinition of
their radiation exposure status (see NBS fancvook
69 dated June 5, 1959).
However, neither its use
nor that of the 300 rem value for thyroid exposure
as set forth in these site criteria guides are
intended to imply that these numbers constitute
acceptable limits
ror emergency doses
under accident conditions.
whole bodv value
ard the
300
to the public
Rather, this 25 rem
rem thyroid value
have been set forth in these guides as reference
values, which can be used in the evaluation of
reactor sites with respect to potential reactor
accidents of exceedingly low probability of
occurrence, and low risk of public exposure to
radiation.
made the- following comments regarding
[+{D
Fish,
Hh
the
applicability of.these criteria to the case of plutonium
release.
These comments are also applicable to hot particle
case,
°
_
First,
the wording of sections 100.11 (a) (1)
clearly limits the application to the irradiation of
the whole body and the thyroid; no other organ or tissue
is mentionez
or implied.
Furthermore, only fission
products in general and iodine in particular are
identified as reference substances.
Finally, footnote (2)
states unequivocally that the guides are not to be
considered as acceptable limits for emergency doses
to the public under accident conditions. 82
slew
Without addressing whether the guideline values,
25 rem to the whole body and 300
82/
Ibid, p. 129.
rem to the thyroid,
should