Protactinium-228

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)
91 Protactinium-228 W, see 227Pa 1E+3 1E+1
Bone Surf
5E-9 - 2E-5 2E-4
- (2E+1) - 3E-11 - -
Y, see 227Pa - 1E+1 5E-9 2E-11 - -

Page Last Reviewed/Updated Thursday, March 25, 2021