The Occupational Safety and Health Adminstration cited Imperial Sugar nearly six months later for 108 "willful violations" related to combustible dust at the Port Wentworth, Ga.

WSJ: Imperial Sugar to Pay Fines in Deadly Georgia Explosion Case

The Imperial Sugar plant outside Savannah, known for its Dixie Crystals brand, was destroyed in a fire fueled by sugar dust that burned for a week.

WSJ: Imperial Sugar to Pay Fines in Deadly Georgia Explosion Case

Imperial Sugar still faces 36 civil lawsuits, including suits by families of those killed and some of the 40 people injured, as well as a handful of shareholder suits, according to its most recent quarterly results.

WSJ: Imperial Sugar to Pay Fines in Deadly Georgia Explosion Case