Fault Tree Handbook

In accordance with the 1988 amendment to the Act, the NRC's Office of the Inspector General (OIG)was established on April 15, 1989, as an independent and objective unit to conduct and supervise auditsand conduct investigations relating to NRC's programs and operations. The purpose of OIG's audits andinvestigations is to prevent and detect fraud, waste, abuse, and mismanagement, and promote economy,efficiency, and effectiveness in NRC programs and operations. In addition, OIG reviews existing andproposed regulations, legislation, and directives, and provides comments, as appropriate, regarding anysignificant concerns.The NRC Staff and NRC Contractors create reports or brochures on regulatory decisions. Theseare results of research, results of incident investigations, and other technical and administrativeinformation. This is one of those documents.