Cerium-137m

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)
58	Cerium-137m	W, see ¹³⁴Ce	2E+3 LLI wall	4E+3	2E-6	6E-9	–	–
		W, see ¹³⁴Ce	(2E+3)	–	–	–	3E-5	3E-4
		Y, see ¹³⁴Ce	–	4E+3	2E-6	5E-9	–	–

Page Last Reviewed/Updated Wednesday, March 24, 2021