Protactinium-231

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)
91	Protactinium-231	W, see ²²⁷Pa	2E-1 Bone Surf	2E-3 Bone Surf	6E-13	-	-	-
		W, see ²²⁷Pa	(5E-1)	(4E-3)	-	6E-15	6E-9	6E-8
		Y, see ²²⁷Pa	-	4E-3 Bone Surf	2E-12	-	-	-
		Y, see ²²⁷Pa	-	(6E-3)	-	8E-15	-	-

Page Last Reviewed/Updated Thursday, March 25, 2021