United States Nuclear Regulatory Commission - Protecting People and the Environment

Antimony-131

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)
51 Antimony-1312 D, see 115Sb 1E+4
Thyroid
2E+4
Thyroid
1E-5 - - -
(2E+4) (4E+4) - 6E-8 2E-4 2E-3
W, see 115Sb - 2E+4
Thyroid
1E-5 - - -
- (4E+4) - 6E-8 - -
Page Last Reviewed/Updated Thursday, July 10, 2014