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Home NRC Library Document Collections Regulations (NRC, 10 CFR) Part Index Radionuclides

Yttrium-91

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-91 W, see 86mY 5E+2
LLI wall		 2E+2 7E-8 2E-10 - -
(6E+2) - - - 8E-6 8E-5
Y, see 86mY - 1E+2 5E-8 2E-10 - -

Page Last Reviewed/Updated Thursday, March 25, 2021