At approximately 0450 this morning Squad 6 was alerted to assist Prince George’s County with a motor vehicle accident with one trapped on Southbound I-95 at Route 198. Squad 6 arrived to find one vehicle in a sediment pond with a subject trapped in water/muck chest deep. Members quickly set up a rigging/hauling system and extricated the patient. The patient was transported to a local hospital suffering from hypothermia.