Daily brief · Harvard Square, Cambridge, MA
MIT shuts Building 18 over mercury spill report
August 30, 2026
Top story
MIT Building 18 Closed After Suspected Dimethylmercury Spill
MIT Environment, Health, and Safety, the Cambridge Fire Department, and Pro EMS responded to a report of dimethylmercury exposure in Building 18, home to the chemistry department, around 9:30 p.m.
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