the building is the east coast hub of tritan technologies.r with about 100 employees. tritan's chief legal counsel, kathleen dias, works at the facility. she hadn't yet arrived but employees called her alarmed by the loud noises the brick building is making. >> somebody described it like a freight train coming, and then the fire alarms went off. it was really people seeing ceiling tiles moving and going that's not normal. something really serious is going on here. >> a supervisor ordered everyone out of their seats and hurries them to an exit. >> luckily we have a sales manager on the floor who heard the noiseses and literally stood up and started shouting at people to get out of the building and grabbed people and got their attention and pushed people out the door. >> it's only a few minutes after the last employee leaves that the building starts to fall. >> the wall of the building was bowed and it was slowly falling backwards away from us. >> you could hear glass begin to crack as the strain of the building is going on itself. >> probably