United States Nuclear Regulatory Commission - Protecting People and the Environment

Hydrogen-3

Atomic
No.
Radionuclide Class Table 1
Occupational Values
Table 2
Effluent Concentration
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)
1 Hydrogen-3 Water, DAC
includes skin absorption
8E+4 8E+4 2E-5 1E-7 1E-3 1E-2
Gas (HT or T2) Submersion1: Use above values as HT and T2 oxidize in air and in the body to HTO
Page Last Reviewed/Updated Thursday, July 25, 2013