HOUSTON—Safety plans fell short of industry standards at a chemical plant that caught fire and exploded following Hurricane Harvey last year, but the standards were probably too weak to prevent the crisis anyway, a U.S. Chemical Safety and Hazard Investigation Board probe has found.
Workers at the Arkema SA plant in Crosby, Texas, had a disaster plan in place before the flooding that hit the city last August, but it didn’t anticipate the 6 feet of floodwater that hit the facility, the independent safety board concluded in...