United States Nuclear Regulatory Commission - Protecting People and the Environment

Einsteinium-251

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)
99 Einsteinium-251 W, all compounds 7E+3 9E+2
Bone surf
4E-7 1E-4 1E-3
(1E+3) 2E-9
Page Last Reviewed/Updated Thursday, November 01, 2018