A boiler malfunction is reported to have caused a significant release of air pollution. The incident resulted in more than 54,000 pounds of unauthorized emissions. The release occurred at an ExxonMobil refinery.

An initial report has been filed with the Texas Commission on Environmental Quality, or TCEQ, detailing the incident. Further information about the release is available from the initial report filed with the TCEQ. The report attributes the pollution to a malfunctioning boiler, but additional details may be found in the full report.