The Cecil Kelley criticality accident involved an inexperienced 28-year-old Kelley who was permitted to operate a large capacity mixing tank of residual plutonium-239 and various organic solvents and acids.
The Cecil Kelley criticality accident involved an inexperienced 28-year-old Kelley who was permitted to operate a large capacity mixing tank of residual plutonium-239 and various organic solvents and acids.