United States Nuclear Regulatory Commission - Protecting People and the Environment

Zirconium-93

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)
40 Zirconium-93 D, see 86Zr 1E+3
Bone Surf
6E+0
Bone Surf
3E-9 - - -
(3E+3) (2E+1) - 2E-11 4E-5 4E-4
W, see 86Zr - 2E+1
Bone Surf
1E-8 - - -
- (6E+1) - 9E-11 - -
Y, see 86Zr - 6E+1
Bone Surf
2E-8 - - -
- (7E+1) - 9E-11 - -
Page Last Reviewed/Updated Thursday, July 10, 2014