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

Radon-220

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)
86 Radon-220 With daughters
removed		 - 2E+4 7E-6 2E-8 - -
With daughters
present		 - 2E+1
(or 12 working
level months)		 9E-9
(or 1.0 working level)		 3E-11 - -

Page Last Reviewed/Updated Thursday, March 25, 2021