United States Nuclear Regulatory Commission - Protecting People and the Environment
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Environmental and Siting (Division 4): Regulatory Guides 4.21 - 4.22

This page lists the number, title, publication date, and revisions for each regulatory guide in Division 4, "Environmental and Siting," with references to draft guides and related documents (where applicable).

See also Draft Regulatory Guides for Division 4.

See NRC Regulatory Guides for more general information.

Reviewed (last column on table) means that the NRC has reviewed these guides and has determined that they are acceptable for continued use. The NRC encourages suggestions from stakeholders regarding any Regulatory Guide or development of new guides at any time. Suggestions received in this manner will be reviewed upon receipt, but will be fully evaluated during the next periodic review of the affect guides. Currently, Regulatory Guides are reviewed on a 5 year basis. In certain cases, a Regulatory Guide will be looked at before the 5 year period has passed.

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Title Rev. Publish Date Reviewed
4.21 Minimization of Contamination and Radioactive Waste Generation:  Life-Cycle Planning -- 06/2008 07/2013
4.22 Decommissioning Planning During Operations -- 12/2012  
Page Last Reviewed/Updated Tuesday, October 22, 2013