On October 7, 2011, at 2:14 a.m. central daylight time, 26 cars in eastbound Iowa Interstate Railroad (IAIS) train RI-BI-06 derailed in Tiskilwa, Illinois. Ten of the derailed cars contained ethanol, a hazardous material; ethanol released from the damaged tank cars ignited and burned. Property damage was estimated to be $1.6 million. The engineer and the conductor were not injured. No emergency responders were injured during the fire suppression and cleanup efforts.