Shell, Exxon say some pollution released as storm hits Texas

DALLAS (AP) — Pollutants have been released from refineries operated by Exxon, Shell and other companies as torrential rains damaged storage tanks and other industrial facilities on the Texas Coast.
Shell told state regulators this week that a floating roof over a tank at its oil refinery in Deer Park, Texas, partially sank during the heavy rainfall. The company said 100 pounds of benzene and 100 pounds of toluene were released.
A similar event happened at Exxon Mobil Corp.’s refiner