United States Nuclear Regulatory Commission - Protecting People and the Environment
Home > NRC Library > Document Collections > NRC Regulations (10 CFR) > Part Index > § 34.21 Limits on external radiation levels from storage containers and source changers.

§ 34.21 Limits on external radiation levels from storage containers and source changers.

The maximum exposure rate limits for storage containers and source changers are 2 millisieverts (200 millirem) per hour at any exterior surface, and 0.1 millisieverts (10 millirem) per hour at 1 meter from any exterior surface with the sealed source in the shielded position.

Page Last Reviewed/Updated Thursday, July 10, 2014