DALLAS (AP) — Exxon Mobil has released pollutants into the air from a refinery that was caught in the storm pounding the Texas Coast.

The oil giant told regulators that a floating roof over a tank at its refinery in Baytown, Texas, oil refinery partially sank in during the heavy rainfall, releasing emissions.

Other emissions were released during the planned shutdown of the refinery before the arrival of Harvey, which was then a hurricane but later downgraded to a tropical storm.

In initial filings this week with the Texas Commission on Environmental Quality, the company did not identify the ch...