Haverford Township was alerted to diesel fuel in the Darby Creek. Bon Air & Brookline for the spill unit were initially dispatched to contain the spill. Eventually Springfield, Upper Darby, and Sharon Hill for their spill unit were all also on scne. In all over 1200' of boom were stretched across the creek in various locations. The fuel is believed to have possibly come from an mva on I-476 in which a truck ruptured a fuel tank. Companies were on scene for approx 3 hours.