skip navigational links Occupational Safety & Health Administration DOL.gov OSHA.gov DOL.gov
www.OSHA.gov
Safety and Health Topics> Ionizing Radiation > Intro to Ionizing Radiation > Ionizing Attachment Six
Ionizing Attachment Six
Maximum Permissible Dos Equivalent for Occupational Exposure

Combined whole body occupational exposure  
Prospective annual limit
5 rems in any 1 yr
Retrospective annual limit
10-15 rems in any 1 yr
Long-term accumulation
(N-18) x5 rems. where N is age in yr
   
Skin 15 rems in any 1 yr
Hands 75 rems in any 1 yr (25/qtr)
Forearms 30 rems in any 1 yr (10/qtr)
Other organs, tissues and organ systems  
Fertile women (with respect to fetus) 0.5 rem in gestation period
   
Population dose limits 0.17 rem average per yr
(Reprinted from NCRP Publication No. 43, Review of the Current
State of Radiation Protection Philosophy, 1975)
 
Back to Top Back to Top www.osha.gov www.dol.gov
Contact Us | Freedom of Information Act | Customer Survey
Privacy and Security Statement | Disclaimers
Occupational Safety & Health Administration
200 Constitution Avenue, NW
Washington, DC 20210