Cobalt-60

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)
27	Cobalt-60	W, see ⁵⁵Co	5E+2	2E+2	7E-8	2E-10	3E-6	3E-5
27	Cobalt-60	Y, see ⁵⁵Co	2E+2	3E+1	1E-8	5E-11	–	–

Page Last Reviewed/Updated Wednesday, March 24, 2021