(Reuters) -Four contract workers were injured after a fire at Chevron (NYSE: CVX )’s 356,440 barrels-per-day (bpd) Pascagoula, Mississippi refinery on Monday, the company said in an email statement.
An incident at the refinery’s wastewater treatment area led to the fire, a Chevron spokesperson said.
The spokesperson added that the fire was extinguished quickly and three of the injured were transported to a local hospital for further treatment.
"The cause of the incident is being investigated," the company said.