At 18:25 on Monday, 18 August, the Dagsboro VFC along with the Frankford VFC EMS, SCEMS Medic 103 & DSP Trooper II were alerted for a MVC with rollover on Dupont Blvd. S/B south of Clayton St. Engine 732 responded at 18:27 with Captain Townsend & a crew of (6) six and was advised the same. Engine 732 arrived at 18:30 to find a (2) two vehicle MVC with (7) seven patients, and a vehicle overturned partially down an embankment leaking gasoline. Captain Townsend assumed IC and ordered his crew to begin patient care and deploy an 1 3/4" attack line for protection. Amb. A-73 & B-76 arrived and determined that a child from the overturned vehicle needed to be air lifted to the area trauma center. At this time IC requested a second BLS units as well as all avail. fire police as both N/B & S/B lanes of Dupont Blvd. were being shut down. With the arrival of Rescue Co. 73 a landing zone was established and Haz-Mat control was started. SCEMS Medic 103 arrived and determined that there were only (2) patients requiring transport, with all others being refusals. Trooper II arrived and air lifted the child the PRMC. Amb. A-73 along with Medic 103 packaged the second patient and transported to PRMC also. At this point IC requested booming equipment to help control the gasoline spill running off into the canal. The Millsboro VFC was alerted and at 18:45 Rescue Co. 83 responded. IC also requested DNRC to respond to evaluate any environmental damages. At this time command was transferred to Chief Glenn and Capt. Townsend assumed operations. Rescue Co 83 arrived and several booms were deployed to stop the down stream flow of the fuel. IC placed the incident under control at 19:56 with final units readied at 20:09. Units Operating on Scene: Engine 732, Rescue Co. 73, Rescue Co. 83, Amb. A-73, Amb. B-73, Amb. B-76, SCEMS Medic 103, EMS 40, Trooper II, DSFP, DPD, DSP, DNRC