Valero Energy (VLO -0.4%) says the rupture of a window on a unit at its 180K bbl/day refinery in...

|About: Valero Energy Corporation (VLO)|By:, SA News Editor

Valero Energy (VLO -0.4%) says the rupture of a window on a unit at its 180K bbl/day refinery in Memphis, Tenn., injured two workers and two firefighters, but the incident did not involve an explosion or fire as early media reports had indicated. The victims were exposed to a hazardous mixture of propane and hydrofluoric acid.