Actinium-227

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	Table 3 Releases to Sewers
			Oral Ingestion ALI (µCi)	Inhalation		Air (µCi/ml)	Water (µCi/ml)	Monthly Average Concentration (µCi/ml)
			Oral Ingestion ALI (µCi)	ALI (µCi)	DAC (µCi/ml)	Air (µCi/ml)	Water (µCi/ml)	Monthly Average Concentration (µCi/ml)
89	Actinium-227	D, see ²²⁴Ac	2E-1 Bone surf	4E-4 Bone surf	2E-13	–	–	–
		D, see ²²⁴Ac	(4E-1)	(8E-4)	–	1E-15	5E-9	5E-8
		W, see ²²⁴Ac	–	2E-3 Bone surf	7E-13	–	–	–
		W, see ²²⁴Ac	–	(3E-3)	–	4E-15	–	–
		Y, see ²²⁴Ac	–	4E-3	2E-12	6E-15	–	–

Page Last Reviewed/Updated Wednesday, March 24, 2021