 An accidental release on April 14, 2003, resulted in the emission of 274,438 pounds of air contaminants into the surrounding environment; including 107,280 pounds of hexane and 37,538 pounds of pentane, both of which have severe human health impacts.In Port Arthur City, some community leaders and residents are supportive of the refinery's presence.Former Mayor Oscar Ortiz believes that Port Arthur's identity and well-being are linked with the refineries that inhabit it.