On Monday May 20, A-18 was alerted to assist Holloway Terrace on an Overurned Tractor Trailer with possible Entrapment on the ramp from New Castle Ave to I-295 Northbound. Medic 8 arrived first and reported negative entrapment. Units arrived and and provided patient care and controlled leaking hazards from the truck. Units from 18, 20, and Salem 7 operated for approximatly 90 minutes before clearing.