United States Nuclear Regulatory Commission - Protecting People and the Environment

Tantalum-180

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-180 W, see 172Ta 1E+3 4E+2 2E-7 6E-10 2E-5 2E-4
Y, see 172Ta - 2E+1 1E-8 3E-11 - -
Page Last Reviewed/Updated Thursday, July 10, 2014