IGNITION OR EXPLOSION OF GAS OR DUST at Mesabi Nugget Delaware, LLC
It is believed that a combustible gas mixture ignited upon reaching the flue of the RHF causing the vents to relieve as designed. There were no injuries or damage to equipment. All safety precautions in place at the time worked to keep employees safe.
Kobe Iron Nugget, LLC; Ferrous Resources, LLC
U.S. Mine Safety and Health Administration