On May 19, 2009, Middle Flint 911 rported through the National Response Center of a heptane spill due to a tractor trailer incident. A tractor trailer was traveling on I-75, and got into an accident. The trailer split in half and 2 55-gallon drums containing heptane fell and released material onto the side of the road. The local Fire Chief requested EPA assistance. Phone Duty Officer Franco dispatched Responder OSC Jardine. GAEPD was also contacted and they are on their way.