United States Nuclear Regulatory Commission - Protecting People and the Environment

Tantalum-172

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)
73 Tantalum-1722 W, all compounds except
those given for Y
4E+4 1E+5 5E-5 2E-7 5E-4 5E-3
Y, elemental Ta, oxides,
hydroxides, halides,
carbides, nitrates,
and nitrides
- 1E+5 4E-5 1E-7 - -
Page Last Reviewed/Updated Thursday, July 25, 2013