ER - Season 04 - Episode 15 - Exodus

An explosion at a chemical warehouse sends a number of workers to the ER, putting everyone in danger when they unknowingly track benzine on the floors. The ER is evacuated by Carter after Weaver is affected by the poison. The hazardous materials team reports to the hospital. Hathaway and Ross get stuck inside an elevator with a young girl in renal failure who needs dialysis. They fervently work to keep her alive. Corday risks her life to rescue a man trapped beneath a building.