Please note the fire panel is having maintenance performed and the PA system may sound a tone. They are testing the fire panel; and no need for alarm or to evacuate the building! Thank you, Melissa J. Lane Secretary Purdue University Birck Nanotechnology Center, Discovery Park 1205 West State Street West Lafayette, IN 47907-2057 Web site: www.nano.purdue.edu <http://discoverypark.purdue.edu/wps/portal/Nanotechnology> Email: lanem@purdue.edu <mailto:lanem@purdue.edu> Phone: (765) 494-7053 Fax: (765) 496-8299