Values for the maximum permissible concentration (MPC) of certain radionuclides
Table
Values for the maximum permissible concentration (MPC) of certain radionuclides
isotope chemical form critical organ mBq in body
tritium (hydrogen-3) water 7.4(10−3)
carbon-14 carbon dioxide 1.5(10−5)
strontium-90* water-soluble salt 1.5(10−6)
bone 1.5(10−7)
iodine-131 water-soluble salt 1.8(10−6)
thyroid 2.6(10−8)
cesium-137 water-soluble salt 1.1(10−6)
radon-222** gas
radium-226*** water-soluble salt 7.4(10−8)
bone 3.7(10−8)
uranium water-soluble salt 7.4(10−8)
kidney 1.8(10−10)
plutonium-239 water-soluble salt 1.5(10−8)
bone 1.5(10−9)
*MPC in drinking water: 3.7(10−9) micro Bq per litre.
**MPC in air: 3.7(10−11) micro Bq per litre.
***MPC in drinking water: 3.7(10−10) micro Bq per litre.
See as table:
- Chénier, Marie-Joseph de
- Chéret, Jules
- Chéruel, Adolphe
- Chézy, Antoine de
- Chögyam Rinpoche Trungpa
- chüeh-chü
- Chāldirān, Battle of
- Chārīkār
- Chłopicki, Józef
- Chōfu
- chōnin
- Chōshi
- Chŏlla, North
- Chŏlla, South
- Ch'ŏnan
- Ch'ŏndogyo
- Ch'ŏngch'ŏn River
- Ch'ŏngjin
- Ch'ŏngju
- Chŏng Sŏn
- Chŏng Yak-jong, Saint
- Chŏnju
- Chūbu
- Chūgoku Range
- Chūkyō Industrial Zone