Thursday, July 3, 2008

QUICK FACTS - RADIATION LIMITS

Recommended Dose Limits by ICRP ( 1991)



1 . Effective (whole body) dose
: -

OCCUPATIONAL - 20 mSv/yr avg over 5 yrs

PUBLIC - 1 mSv


2. Annual equivalent dose in


A.The lens of the eye

OCCUPATIONAL : 150 mSv
PUBLIC : 15 mSv


B. The skin
OCCUPATIONAL : 500 mSv
PUBLIC : 50 mSv


C. The hands and feet
OCCUPATIONAL : 500 mSv
PUBLIC : NONE



For pregnant radiation workers, total dose to the abdomen should not exceed 2 mSv during the entire duration of pregnancy.