Thorium-226

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)
90 Thorium-2262 W, all compounds except those given for Y 5E+3
St. wall
2E+2 6E-8 2E-10 - -
(5E+3) - - - 7E-5 7E-4
Y, oxides and hydroxides - 1E+2 6E-8 2E-10 - -

Page Last Reviewed/Updated Thursday, March 25, 2021