Document: NRC Regulatory Guide
Document ID: 4a45938b-46f4-4b26-9191-2914fcf357f1
Document Type: regulatory_guide
Title: Inservice Inspection of Pressurized Water Reactor Steam Generator Tubes (Rev. 1)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML0037/ML003740256.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.83
CFR Part: 
CFR Title: 

Content:
of the total tubes inspected have detectable wall penetration (>20%) or more than three of the tubes inspected exceed the plugging limit, the situation should be immediately reported to the Commission in accordance with the facility license for resolution and approval of the proposed remedial action. Additional sampling and more frequent inspections may be required. D. IMPLEMENTATION The purpose of. this section is to provide information to applicants and licensees regarding the NRC staffs plans for utilizing this regulatory guide. This guide reflects current regulatory practice. There fore, except in those cases in which the applicant proposes an acceptable alternative method for comply Ing with specified portions of the Commission's regula tions, the methods described herein will be used by the NRC staff In evaluating an applicant's program for inspection of steam generator tubes. 8. Corrective Measures All leaking tubes, defective tubes, and tubes with imperfections exceeding the plugging limit should be plugged. Technical specifications for ensuring inspection as recommended in regulatory position C should be incor porated in operating licenses. 1.83-5 I