10 CFR 34.21
§ 34.21 Limits on external radiation levels from storage containers and source changers.
United States · 10 CFR — Energy · Status: effective
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- Citation
- 10 CFR 34.21, § 34.21 Limits on external radiation levels from storage containers and source changers, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/36888
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Full text
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.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.