The newly renovated Wistar Institute was the scene of a steam leak early Tuesday morning that sent one person to the hospital.
, according to the Division of Public Safety.
When HAZMAT personnel entered the building, nothing registered on their meters, though air samples directed them to a steam leak in the basement.
One person was taken to the Hospital of the University of Pennsylvania for evaluation after the leak, DPS reported.
The six-story Wistar Institute houses biomedical research in cancer and vaccine development.
A spokesperson for the Wistar Institute said that the leak apparently stemmed from a water main break near the 36th Street walkway on Penn’s campus.
Spruce Street was closed on Wednesday between 34th and 38th streets to remedy the situation.