United States Nuclear Regulatory Commission - Protecting People and the Environment

Iodine-133

Atomic
No.
Radionuclide Class Table 1
Occupational Values
Table 2
Effluent Concentrations
Table 3
Releases to
Sewers
Col. 1 Col. 2 Col. 3 Col. 1 Col. 2
Oral
Ingestion
ALI
(µCi)
Inhalation Air
(µCi/ml)
Water
(µCi/ml)
Monthly
Average
Concentration
(µCi/ml)
ALI
(µCi)
DAC
(µCi/ml)
53 Iodine-133 D, all compounds 1E+2
Thyroid
3E+2
Thyroid
1E-7 - - -
(5E+2) (9E+2) - 1E-9 7E-6 7E-5
Page Last Reviewed/Updated Thursday, July 10, 2014