United States Nuclear Regulatory Commission - Protecting People and the Environment

Californium-252

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)
98 Californium-252 W, see 244Cf 2E+0
Bone surf
2E-2
Bone surf
8E-12 - - -
(5E+0) (4E-2) - 5E-14 7E-8 7E-7
Y, see 244Cf - 3E-2 1E-11 5E-14 - -
Page Last Reviewed/Updated Thursday, July 10, 2014