United States Nuclear Regulatory Commission - Protecting People and the Environment

Gadolinium-148

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)
64 Gadolinium-148 D, see 145Gd 1E+1
Bone surf
8E-3
Bone surf
3E-12
(2E+1) (2E+2) 2E-14 3E-7 3E-6
W, see 145Gd 3E-2
Bone surf
1E-11
(6E-2) 8E-14
Page Last Reviewed/Updated Thursday, November 01, 2018