Lanthanum-137

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)
57	Lanthanum-137	D, see ¹³¹La	1E+4	6E+1 Liver	3E-8	-	2E-4	2E-3
		D, see ¹³¹La	-	(7E+1)	-	1E-10	-	-
		W, see ¹³¹La	-	3E+2 Liver	1E-7	-	-	-
		W, see ¹³¹La	-	(3E+2)	-	4E-10	-	-

Page Last Reviewed/Updated Thursday, March 25, 2021