Document: NRC Regulatory Guide
Document ID: 5f4d6577-6c2a-473a-9a76-4033a95dba4c
Document Type: regulatory_guide
Title: Radiation Embrittlement of Reactor Vessel Materials (Rev. 2)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0037/ML003740284.pdf
Revision Date: 2023-05
Chapter: 
Section ID: RG-1.99
CFR Part: 
CFR Title: 

Content:
·:=: " - H - + - Q) en iD cg '° Q) \0 ... (.) ...... -- - £ i ' ... ' i ~~ ,__,_ - I+ I=++~- :-,.- -- - t- □ 1-- c,:: ~ r:;: 1--1-- ..,.. a, 0 +- r-r-l+f+r + ,_ -- - ' CL ' t:±: t::::J.·1--"- ' - . ' ' I ·t--i--- t-+• -!- H- , ~ ·'.~jl~B~ ,-1- 4 - - ' [H± ci IT 11 ~~ 1-t-+ ➔:- . h, I I ' ~ • - I--+---,- -~ -.L+--H-- :+ '. ~ , ... - oc:::a . - r .- ,_ + ,-- -~ - . ., : 11-::::' ~ = , ; . --+-+- ....J - ~tf --~~ ,_ i--H It -, -- ' H ~: -~ I - l 1----H-r It-I- H - ~ h-t-+1 tT 2X1017 4 6 8 1018 2 4 6 8 1019 2 4 6 FLUENCE, n/cm2 (E > 1MeV) FIGURE 2 Predicted Decrease in Shelf Energy as a Function of Copper Content and Fluence REGULATORY ANALYSIS A copy of the regulatory analysis prepared for this Regulatory Guide 1. 99, Revision 2, is available for inspection and copying for a fee at the Commission's Public Document Room at 1717 H Street NW., Washington, DC, under Regulatory Guide 1.99, Revision 2. 1.99-10