United States Nuclear Regulatory Commission - Protecting People and the Environment

Yttrium-91m

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)
39 Yttrium-91m2 W, see 86mY 1E+5 2E+5 1E-4 3E-7 2E-3 2E-2
Y, see 86mY - 2E+5 7E-5 2E-7 - -
Page Last Reviewed/Updated Thursday, July 10, 2014