A boiler malfunction at an ExxonMobil refinery led to a significant release of air pollution. The company reported that more than 54,000 pounds of unauthorized pollution were released. The incident was described in an initial report filed with the Texas Commission on Environmental Quality.

According to ExxonMobil, the boiler malfunction was the cause of the pollution release. Further details about the incident can be found in the initial report filed with the TCEQ.