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

Unlisted Radionuclides

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)
- Any single radiouclide not listed above with decay mode other than alpha emission or spontaneous fission and with radioactive half-life less than 2 hours Submersion1 - 2E+2 1E-7 1E-9 - -
- Any single radionuclide not listed above with decay mode other than alpa emission or spontaneous fission and with radioactive half-life greater than 2 hours   - 2E-1 1E-10 1E-12 1E-8 1E-7
- Any single radionuclide not listed above that decays by alpha emission or spontaneous fission, or any mixture for which either the identity or the concentration of any radionuclide in the mixture is not known   - 4E-4 2E-13 1E-15 2E-9 2E-8

Page Last Reviewed/Updated Friday, March 31, 2023