United States Nuclear Regulatory Commission - Protecting People and the Environment

Chromium-49

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
Oral
Ingestion
ALI
(µCi)
Inhalation Air
(µCi/ml)
Water
(µCi/ml)
Monthly
Average
Concentration
(µCi/ml)
ALI
(µCi)
DAC
(µCi/ml)
24 Chromium-492 D, see 48Cr 3E+4 8E+4 4E-5 1E-7 4E-4 4E-3
W, see 48Cr - 1E+5 4E-5 1E-7 - -
Y, see 48Cr - 9E+4 4E-5 1E-7 - -
Page Last Reviewed/Updated Thursday, July 25, 2013