United States Nuclear Regulatory Commission - Protecting People and the Environment

Rhenium-181

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)
75 Rhenium-181 D, see 177Re 5E+3 9E+3 4E-6 1E-8 7E-5 7E-4
W, see 177Re - 9E+3 4E-6 1E-8 - -
Page Last Reviewed/Updated Thursday, July 10, 2014