The Tech - Online EditionMIT's oldest and largest
newspaper & the first
newspaper published
on the web
Boston Weather: 59.0°F | A Few Clouds and Breezy



Credit: SCOTT JOHNSTON -- THE TECH

Members of the Cambridge Fire Department assist one another in donning chemical-protective suits near the Green Building on Tuesday, April 9. The hazardous materials team was preparing to enter Building 18 in response to a chemical spill on the fourth floor that kept the building evacuated for over two hours.