Issue 109: Reactor Vessel Closure Failure
DESCRIPTION
Historical Background
Potential stress corrosion cracking (SCC) of reactor vessel (RV) closure studs was raised as a GSI in December
Issue 108: BWR Suppression Pool Temperature Limits
DESCRIPTION
Historical Background
BWRs are equipped with SRVs to control primary system pressurization.
Issue 106: Piping and Use of Highly Combustible Gases in Vital Areas
DESCRIPTION
Historical Background
Combustible gases such as H2, propane, and acetylene are used during normal operations of nuclear power plants i
Issue 105: Interfacing Systems LOCA at LWRs
DESCRIPTION
Historical Background
Issue B-63, which was resolved and implemented as MPA B-45, required leak-testing of the check valves that isolate those lo
Issue 104: Reduction of Boron Dilution Requirements
DESCRIPTION
In the prioritization of Issue 22, "Inadvertent Boron Dilution," it was found that inadvertent boron dilution events during cold shutdown operation do no
Issue 102: Human Error in Events Involving Wrong Unit or Wrong Train
DESCRIPTION
Historical Background
In January 1984, AEOD issued a special study report (AEOD/S401)[1]desc
Issue 101: BWR Water Level Redundancy
DESCRIPTION
Historical Background
Issue 50 addressed several areas of concern with BWR water level instrumentation and its resolution involved voluntary impl