doses, wghting factors, background radiation

cosmic rad.

33 mrem/ 0.33 mSv

Terrestrial rad.

21 mrem ; 0.21 mSv

internal rad.

29 mrem ; .29 mSv

Radon and thoran

228 mrem ; 2.1 mSv

potassium-40

20 mrem ; 0.2 mSv

natural background total

300 mrem ; 3 mSv

photon WF

1

electrons and muon WF

1

Protons and charged pions WF

2

neutrons WF

5

alpha particles, fission fragments, heavy ions WF

20

Occupational whole body limit

50 mSv ; 5 rem

Occupational Lens of eye

50 mSv ; 5 rem

Occupational skin limit

500 mSv ; 50 rem

Embryo-fetus exposures MONTHLY

0.5 mSv ; 50 mrem

Embryo-fetus exposure TOTAL GESTATION

5 msv ; 0.5 rem ;