Analysis of 180 “Significant Events” in Nuclear Power Industry, 1983-1984
- Human performance (52%)
- Deficient procedures or documentation
- Lack of knowledge or training
- Failure to follow procedures
- Deficient planning or scheduling
- Miscommunication
- Deficient supervision
- Policy problems
- Other
- Design deficiencies (33%)
- Manufacturing, etc.
- External cause
- Unknown
- (INPO, 1985 – quoted by Reason, 1990)