1926-1927 / 3107
Dose limits recommended in ICRP 60
Exposure
Limits on effective dose
Limits on annual equivalent
doses
Occupational
exposure
20 mSv per year averaged over
defined 5 years (max 50 mSv over
one year)
The lens of the eye: 150 mSv
The skin: 500 mSv
The hands and feet: 500 mSv
Member of the
1 mSv in a year
(special circum 5
mSv over one yr, provided an
The lens of the eye: 15 mSv
•
A dose of 0.5 Gy could readily be exceeded on the basis of the current equivalent dose
limit for the lens of the eye of 150 mSv per year.
general public
average of 1mSv/yr for 5
consecutive yrs)
The skin: 50 mSv
Special
situations
Emergency situations
a)
effective dose limit: 500 mSv
equivalent dose to the skin:5 Sv
Dose limit to unborn child
1 mSv for the period to birth
a) No limits are applicable in case of life saving activities.
•
ICRP 2011-2012
recommend a dose limit to the lens of the eye of
20 mSv per year
averaged over defined 5 years (max 50 mSv over one year)
for Occupational
exposure.
•
No new limit has been recommended for
public exposures
to the lens of the eye
(
1 mSv/year
was judged adequately protective).