TEUTOPOLIS, Ill. (WCIA) -- Just weeks before the second anniversary of a deadly HAZMAT disaster in Teutopolis, the National Transportation Safety Board released on Tuesday its final report on the disaster.

The 27-page report, provided to WCIA by the Effingham County Coroner's Office, details the events of Sept. 29-30, 2023, and provides information about the scene of the disaster, the people and vehicles involved, and the investigation. It also includes lessons learned from the disaster and recommendations on how to prevent the factors and circumstances from happening in the future.

The NTSB confirmed what it had determined in an initial report released a month after the disaster: that the cause was the passing of a semi-truck carrying anhydrous ammonia by a minivan in a no-passing zone

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