Metro

Hydrogen peroxide spill triggers hazmat response at East Boston hotel

Members of the hazmat team investigated on the roof of the hotel.
Boston Fire Department
Members of the hazmat team investigated on the roof of the hotel.

A leaky 5-gallon container of hydrogen peroxide on the roof of an East Boston hotel Friday morning triggered a Level 2 hazmat response and a partial evacuation, officials said.

Guests staying on the ninth and 10th floors of the Embassy Suites hotel on Porter Street were asked to leave their rooms as a precaution while a Boston Fire Department hazmat team investigated just before 9 a.m., officials said.

The hydrogen peroxide had been used to clean part of the building’s cooling system in the “penthouse” on the roof, which houses the hotel’s cooling and heating units. Some of the chemical had spilled, said Brian Alkins, spokesman for the Boston Fire Department.

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The hazmat team secured the container and tested the hotel’s air quality before allowing the guests to return to their rooms around 10:44 a.m., officials said. There were no injuries.

Andres Picon can be reached at andres.picon@globe.com. Follow him on Twitter at @andpicon.