Oil slicks at the flooded Phillips 66 Alliance Refinery in Belle Chasse.jpeg

This image provided by NOAA taken Tuesday, Aug. 31, 2021 and reviewed by The Associated Press shows oil slicks at the flooded Phillips 66 Alliance Refinery in Belle Chasse, La. State and federal regulators responded to the spill site after AP provided the photos of the spill Wednesday and the company acknowledged a "sheen of unknown origin" at its flooded refinery. (NOAA via AP)