4 hospitalized following hazmat incident at Baltimore poultry plant

Ten people were evaluated and 100 evacuated after carbon dioxide levels spiked inside Holly Poultry

July 28, 2025 11:52 AM

By Chevall Pryce, Dan Belson
Baltimore Sun

BALTIMORE — Elevated carbon dioxide levels at a South Baltimore poultry processor left four people hospitalized Sunday, according to the Baltimore City Fire Department.

Around 5 p.m., firefighters were alerted about a hazmat situation on the 2100 block of Wicomico Street in the Saint Paul neighborhood. After arriving, Baltimore fire crews evacuated 100 people from the building that houses Holly Poultry . Of those, 10 needed assistance, according to John Marsh , public information officer for Baltimore Fire Department .

After all 10 were evaluated, four were sent to the hospital with non-life-threatening injuries, according to the fire department.

The fire department and the Maryland Department of the Environment deemed the building safe Sunday evening after monitoring carbon dioxide levels, said Marsh. The departments were “unable to definitively determine the source of the elevated” carbon dioxide, he said.

Holly Poultry did not immediately return a request for comment.

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