United States Nuclear Regulatory Commission - Protecting People and the Environment

Thallium-198m

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)
81 Thallium-198m2 D, all compounds 3E+4 5E+4 2E-5 8E-8 4E-4 4E-3
Page Last Reviewed/Updated Thursday, July 25, 2013