WAVERLY, Tenn. (WTVF) — Two weeks after a deadly explosion at an Accurate Energetic Systems plant in Middle Tennessee killed 16 workers, investigators have released new details about what happened while families continue to grieve and plan funerals.

Federal investigators determined the explosion occurred on October 10 on the first floor of building 602 in the Bucksnort area of Hickman County. The building was primarily used to make cast boosters, which are explosives used in the commercial mining industry.

Investigators say 24,000 to 28,000 pounds of high explosives detonated during the incident. They have searched approximately 500 surrounding acres, conducted hundreds of interviews and reviewed 14,000 documents that AES turned over.

The initial explosion began in kettles holding that

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