United States Nuclear Regulatory Commission - Protecting People and the Environment

Niobium-89 (122 min)

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)
41 Niobium-89
(122 min)
W, see 88Nb 5E+3 2E+4 8E-6 3E-8 7E-5 7E-4
Y, see 88Nb - 2E+4 6E-6 2E-8 - -
Page Last Reviewed/Updated Thursday, July 10, 2014