Crews were called to the plant in the 4100 block of Bermuda Hundred Road just before 8:50 a.m., according to online emergency communications logs.

"The incident is contained to the site and there is no threat to the public, workers, or firefighters on scene," Chesterfield County Fire and EMS officials posted on social media around 10:30 a.m.

Officials said that firefighters and hazmat crews were working to get the fire under control.

Nearly five hours later, officials posted on social media that the incident had been marked under control.

AdvanSix released a statement Sunday afternoon calling what happened an "isolated incident."

"There is no risk to the community and there were no injuries associated with the incident," company officials wrote. "As always, AdvanSix is committed to th

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