United States Nuclear Regulatory Commission - Protecting People and the Environment

Californium-253

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-253 W, see 244Cf 2E+2
Bone surf
2E+0 8E-10 3E-12 - -
(4E+2) - - - 5E-6 5E-5
Y, see 244Cf - 2E+0 7E-10 2E-12 - -
Page Last Reviewed/Updated Thursday, July 25, 2013