Document: NRC Regulatory Guide
Document ID: 9c99a4b7-8619-41f0-b716-262bfdb03941
Document Type: regulatory_guide
Title: Developing Principal Design Criteria for Non-Light Water Reactors + HISTORY - HISTORY 02/2017 – DG-1330 , Proposed Revision 0
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1630/ML16301A307.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.232
CFR Part: 
CFR Title: 

Content:
ulatory requirements. This is not considered backfitting as defined in 10 CFR 50.109(a)(1) or a violation of any of the issue finality provisions in 10 CFR Part 52. Additionally, an existing applicant may be required to comply with new rules, orders, or guidance if 10 CFR 50.109(a)(3) applies. If a licensee believes that the NRC is either using this RG or requesting or requiring the licensee to implement the methods or processes in this RG in a manner inconsistent with the discussion in this Implementation section, then the licensee may file a backfit appeal with the NRC in accordance with the guidance in NUREG-1409, “Backfitting Guidelines” (Ref. 24), and the NRC Management Directive 8.4, “Management of Facility-Specific Backfitting and Information Collection” (Ref. 25). DG-1330, Page 22 ACRONYMS ANS American Nuclear Society ANSI American National Standards Institute AOO anticipated operational occurrence ARDC advanced reactor design criteria ASME American Society of Mechanical Engineers BDBE beyond-design-basis event CFR Code of Federal Regulations DOE U.S. Department of Energy DRACS Direct Reactor Auxiliary Cooling System EAB exclusion area boundary FAUNA Forschungsanlage zur Untersuchung nuklearer Aerosole FHR fluoride high-temperature reactors GCR gas-cooled fast reactors GDC general design criterion/criteria HTGR high-temperature gas-cooled reactor IAEA International Atomic Energy Agency IHTS intermediate heat transport system LFR lead fast reactor LMR liquid-metal reactor LPZ low-population zone LWR light-water reactor mHTGR modular high-temperature gas-cooled reactor mHTGR-DC mHTGR design criteria MSR molten salt reactors NaK sodium-potassium NGNP Next Generation Nuclear Plant NRC U.S. Nuclear Regulatory Commission PDC principal design criteria PRISM Power Reactor Innovative Small Module RCCS reactor cavity cooling system RG regulatory guide SARRDL specified acceptable system radionuclide release design limit SFR sodium-cooled fast reactors SFR-DC