ER: Temporada 4, Episódio 15

4 - 15: Exodus

The ER must be evacuated when several workers from a chemical plant track benzene all over the floors. After Weaver is felled by the poison, Carter takes over, directing the evacuation. Dr. Corday does a ride-along with EMTs and rescues a man trapped under a building. Doug and Carol are trapped in the elevator with a sick child.