United States Nuclear Regulatory Commission - Protecting People and the Environment

Astatine-211

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)
85 Astatine-211 D, halides 1E+2 8E+1 3E-8 1E-10 2E-6 2E-5
W - 5E+1 2E-8 8E-11 - -
Page Last Reviewed/Updated Thursday, July 25, 2013