Document: NRC Regulatory Guide
Document ID: f894855a-c715-452f-b015-247eb7da60f0
Document Type: regulatory_guide
Title: Irreversible and Irretrievable Commitment of Material Resources
Source: NRC Regulatory Guide Division 4
Source URL: https://www.nrc.gov/docs/ML1306/ML13064A122.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-4.10
CFR Part: 
CFR Title: 

Content:
.C. 20555. Attention: Docketing and Regulatory Guides are issued to describe and make available to the public Service Section, methods acceptable to the NRC staff of implementing specific parts of the Commission's regulations, to delineate techniques used by the staff in evalu- The guides are issued in the following ten broad divisions: ating specific problems or postulated accidents, orto provide guidance to appli- cants. Regulatory Guides are not substitutes for regulations, and compliance 1. Power Reactors 6. Products with them is not required. Methods and solutions different from those set out in 2. Research and Test Reactors 7. Transportation the guides will be acceptable if they provide a basis for the findings requisite to 3. Fuels and Materials Facilities 8. Occupational Health the issuance or continuance of a permit or license by the Commission. 4. Environmental and Siting S9. Antitrust Review Comments and suggestions for improvements in these guides are encouraged 5. Materials and Plant Protection 10. General at all times, and guides will be revised, as appropriate, to accommodate com- ments and to reflect new information or experience. This guide was revised as a Copies of published guides may be obtained by written request indicating the result of substantive comments received from the public and additional staff divisions desired to the U.S. Nuclear Regulatory Commission. Washington. D.C. review, 20555, Attention: Director, Office of Standards Development. Material quantity estimates should be judged by comparison with the reference plant model described in Section 2 of Reference 1, a typical PWR power plant, rated at 1000 MWe net output with once-through cooling. Not all materials connected with the construc- tion of a nuclear power station were included in the model. It should be especially noted that electric power transmission systems, switchyards, shipping casks, and fuel element and absorber materials were not included in the analysis as part of