United States Nuclear Regulatory Commission - Protecting People and the Environment

Hafnium-179m

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)
72 Hafnium-179m D, see 170Hf 1E+3 3E+2
Bone surf
1E-7 - 1E-5 1E-4
- (6E+2) - 8E-10 - -
W, see 170Hf - 6E+2 3E-7 8E-10 - -
Page Last Reviewed/Updated Thursday, July 25, 2013