IGNITION OR EXPLOSION OF GAS OR DUST at Buzzi Unicem USA
HOTWORK (D843) contracted for curing of refractory. High capacity vaporizer converts LP to a gas for use in their heating systems. Equip was set up, leak checked, then lit & operating for 1hr. 9:30am HW employee saw 8' flame burning at vaporizer burner regulator. Supply line was shut off, fire dept called-advised gas be allowed to burn off.
U.S. Mine Safety and Health Administration