United States Nuclear Regulatory Commission - Protecting People and the Environment

Barium-140

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-140 D, all compounds 5E+2
LLI wall
1E+3 6E-7 2E-9 - -
(6E+2) - - - 8E-6 8E-5
Page Last Reviewed/Updated Thursday, July 10, 2014