This is a great read that sums up many criticality accidents and their causes over the years - "A Review of Criticality Accidents" https://www.orau.org/ptp/Libr

This is a great read that sums up many criticality accidents and their causes over the years - "A Review of Criticality Accidents" https://www.orau.org/ptp/Library/accidents/la-13638.pdf https://www.orau.org/ptp/Library/accidents/la-13638.pdf