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Home > Electronic Reading Room > 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.
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