NRC-2023-0187

Summary

The U.S. Nuclear Regulatory Commission (NRC) is issuing Revision 5 to Regulatory Guide (RG) 1.189, "Fire Protection for Nuclear Power Plants." It is being issued to correct typographic errors that appeared in RG 1.189, Revision 4 of the same name. In addition, Revision 5 contains edits to conform with the current template for RGs and fixes to a few reference numbering errors. The changes in Revision 5 are intended to improve clarity and do not substantially alter the staff's regulatory guidance.

Source