United States Nuclear Regulatory Commission - Protecting People and the Environment

Barium-131m

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)
56 Barium-131m2 D, all compounds 4E+5
St. wall
1E+6 6E-4 2E-6 - -
(5E+5) - - - 7E-3 7E-2
Page Last Reviewed/Updated Thursday, July 10, 2014