A building at Villanova University in the Philadelphia suburbs was evacuated because of a leak in a chemistry lab.
At least one student was taken to a hospital Tuesday afternoon, The Philadelphia Inquirer reported. A university staff member told the newspaper she and other freshmen were synthesizing esters, organic compounds, in a lab on the third floor of the Mendel Science Center when she became ill.
The hospitalized student had a nose bleed. Other students reported feeling lightheaded and dizzy.
A decontamination tent was set up outside the science center.
Dan Kazmierski, a senior majoring in biology, was in the building when the evacuation was announced. He said instructors are normally very cautious about working with chemicals, telling students to perform operations under a protective hood while wearing gloves and goggles.
Villanova, in the Main Line suburb of Radnor, is the oldest Catholic university in Pennsylvania.
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