Thorium-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)
90	Thorium-227	W, see ²²⁶Th	1E+2	3E-1	1E-10	5E-13	2E-6	2E-5
90	Thorium-227	Y, see ²²⁶Th	-	3E-1	1E-10	5E-13	-	-

Page Last Reviewed/Updated Thursday, March 25, 2021