The location[]
The Tennessee Valley Authority's Sequoyah 1 plant.
1981 accidental[]
8 workers are contaminated when coolant fund leaked into the contaminant building of the Tennessee Valley Authority's Sequoyah 1 plant in Tennessee.
More than 100,000 gallons of radioactive coolant fluid was involved in the leak.
It dose not officially have a INES ratting, but probably was a Level 4 INES Scale event.