Four people were transported to a hospital after being exposed to a chemical at a Georgia State University lab on Thursday afternoon.

The Natural Sciences Building at 50 Decatur Street was evacuated as a precautionary measure after the incident occurred around 2:30 p.m., Atlanta fire department spokeswoman Janet Ward said. The site was all clear by 4:45 p.m.

A group of workers and students were moving a drum of chemicals in a third-floor lab in the science building when there was a spill, university spokeswoman Andrea Jones told The Atlanta Journal-Constitution.

After being exposed to a chemical, they were decontaminated and transported to Grady Memorial Hospital, according to Ward.

The chemical vendor was called to the scene and assisted the Atlanta fire department and a hazmat team, Jones said.

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