LEMONT – In response to the the Oct. 23 fire at Citgo's Lemont Refinery, the Illinois Environmental Protection Agency has asked the Illinois Attorney General’s Office to file a court order telling Citgo to submit a root cause analysis and other information for state review, according to an Illinois EPA news release.
According to the release, the fire was caused by a valve malfunction when Citgo employees or contractors were dismantling piping associated with the refinery’s crude unit for maintenance purposes.
The Illinois EPA is seeking information on air monitoring data collected during the incident, the amount of crude and air emissions released, the clean-up plan and a record of communication with local officials and citizens during the incident.
A spokesperson with the Illinois Attorney General's Office said the office is currently reviewing the request and is hoping to make a decision soon because of the seriousness of the incident.
Citgo officials said they have voluntarily provided all information the Illinois EPA has requested and are keeping local officials informed about the steps being taken to address the incident, according to a Citgo news release.
The release also said that Citgo has determined that the fire had no impact on the environment and there is no current risk of endangerment to human health or the environment as a result of the incident.