Thorium-229

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-229	W, see ²²⁶Th	6E-1 Bone Surf	9E-4 Bone Surf	4E-13	-	-	-
		W, see ²²⁶Th	(1E+0)	(2E-3)	-	3E-15	2E-8	2E-7
		Y, see ²²⁶Th	-	2E-3 Bone Surf	1E-12	-	-	-
		Y, see ²²⁶Th	-	(3E-3)	-	4E-15	-	-

Page Last Reviewed/Updated Thursday, March 25, 2021