United States Nuclear Regulatory Commission - Protecting People and the Environment

Chromium-51

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-51 D, see 48Cr 4E+4 5E+4 2E-5 6E-8 5E-4 5E-3
W, see 48Cr - 2E+4 1E-5 3E-8 - -
Y, see 48Cr - 2E+4 8E-6 3E-8 - -
Page Last Reviewed/Updated Thursday, July 10, 2014